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Expert Answers about Mercedes-Benz Trailer Brake Controller


  • Brake Controller Installation on 2016 Mercedes-Benz Sprinter
  • Assuming your Sprinter has the factory tow package with the 7-way at the rear bumper, in addition to the # RED24FR Redarc Tow-Pro Liberty Brake Controller, you'll also need the # 3063-P wiring harness and the # 331-TPH-017. The connector to install the controller is located under the driver's seat as shown in the provided photo. If the Sprinter doesn't have the factory 7-way, you can install one using part # TK22115, you'll also need the # 331-TPH-017 adapter mentioned above.
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  • What Adapter to Use With RedArc Tow Pro Classic on 2020 Mercedes Benz Sprinter 3500
  • It sounds like you're asking about an available adapter plug to install the RedArc Tow-Pro Classic # 331-EBRHV2, and as long as it came with the factory towing package you can use the # 3063-P to install this brake controller. If your 2020 Mercedes-Benz Sprinter 3500 did not come with the factory towing package, the Tow-Pro Classic will need to be hardwired in. Additionally, the RJ45 cable only is available in the 3ft length that comes with the unit. This is a standard RJ45 network...
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  • Brake Controller Installation for 2016 Mercedes GL350 With Factory Tow Package
  • While there isn't a video for installing a brake controller in your 2016 Mercedes GL 350, since you have the factory tow package and a 7-way you can easily install the Redarc Tow-Pro Elite Trailer Brake Controller # RED44FR or Tekonsha Prodigy P3 Trailer Brake Controller # 90195. To do so all you'd need is the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers # 3066-P. As you can see by the cut out of the linked installation instructions, this adapter will mate to the...
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  • Does Blue Wire on 37185 4-Pole to 7-Way Adapter Need to Be Connected When Using RF Brake Controller
  • I'm assuming you're speaking of the # 37185 4-pole to 7-way adapter. You won't need to attach that blue wire from the adapter to anything, just bundle it up out of the way. The Black wire needs to run to the vehicle battery, using some # 10-1-1 wire through a 40A circuit breaker like # 9510 and the white wire needs to be grounded to the vehicle frame or chassis and the 4-pole connector on the adapter needs to be plugged into the 4-pole adapter on the vehicle to access the taillight circuits.
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  • Brake Controller and Install Harness for 2022 Mercedes Sprinter RV
  • The Redar Tow Pro Elite part # RED44FR can easily install on your 2022 Motorhome built on a Sprinter chassis with the part # 3063-P which plugs in right under the dash. This controller is really nice as it uses an inertia sensor to detect how hard you are applying the vehicle brakes and applies a similar amount on the trailer brakes. It also only requires putting a small control knob on your dash instead of a larger box like a traditional controller. I attached an install video for the...
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  • Replacement Braking System For US Gear D-Celerator Unified Flat Tow Braking System
  • It does not look like you will be able to use the Tekonsha Prodigy P3 Brake Controller # 90195 with your US Gear tow brake. I recommend changing over to the Demco SBS Stay-IN-Play DUO Supplemental Braking System # SM99251. This system provides proportional braking to your 2005 Jeep. It is one of the few systems that looks for 2 inputs to confirm that you are braking. It wants to see that your brake lights are activated saying that you have physically pushed the brake pedal and it wants...
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  • Where Is the Brake Controller Plug On a 2016 Mercedes-Benz GLE 350
  • In regards to installing a brake controller on a 2016 Mercedes-Benz GLE 350, we don't have any videos of this at this time. If you have the factory 7-way then it's as easy as plug-in-play, the Tekonsha Primus IQ Trailer Brake Controller part # TK90160 with Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3066-P is a great option. The harness will be located underneath the dash. Pull back the carpet behind the brake pedal to expose the connector. There will be a 4-pin...
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  • What Parts Are Needed To Install a Brake Controller on a 2011 Mercedes GL-450 With Factory 7-Way?
  • You will need to confirm that there is a factory brake controller connector on your 2011 Mercedes GL-450. You will need to lower the bottom dash panel that is located below your steering wheel. Behind the panel you may have a green 4 prong connector that the Tekonsha Plug-In Wiring Adapter # 3066-P will connect to. If you locate this connector the Redarc Tow-Pro Wiring Adapter # 331-TPH-017 can be used to connect the Tekonsha pigtail to the Redarc Tow-Pro Elite Trailer Brake Controller...
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  • What Redarc Brake Controller Will Fit My 2020 Mercedes-Benz Sprinter 2500 With Factory Tow Package
  • With the factory tow package on your 2020 Mercedes-Benz Sprinter 2500, you will need the following: Redarc Tow-Pro Elite Trailer Brake Controller - 1 to 3 Axles - Proportional Part # RED44FR, Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In part # 3063-P, and the Redarc Tow-Pro Wiring Adapter for Tekonsha Brake Controller Harness, part # 331-TPH-017. This brake controller activates your brakes in proportion to your vehicle's braking. The trailer's braking...
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  • Plug and Play Brake Controller Harness for 2015 Mercedes-Benz GL-Class
  • The Tekonsha Prodigy P2 # 90885 works for your 2015 Mercedes-Benz GL-Class and the wiring adapter you need is part # 3066-P. There are instructions included with the products to help you locate the plug under your dash. The plug is located in your foot well on the drivers side, there might be a plastic cover covering the connectors. I have attached a review video for you to learn more about it.
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  • Trailer Break Control Installation for Tekonsha Prodigy P3 on 2019 Mercedes-Benz Sprinter 3500
  • According to my research, if your 2019 Mercedes-Benz Sprinter 3500 came with a factory 7-way trailer connector you will have the brake controller connector pre-wired. This pre-wired connector should be under the driver side seat which you can see in the attached photo. The connector is green with four pins inside. Once you locate this connector you can install the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 using the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers...
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  • Transferring Prodigy P3 Brake Controller to 2015 Mercedes Sprinter 3500 With Tow Package
  • Assuming your Winnebago on the 2015 Mercedes-Benz Sprinter 3500 chassis has the factory tow package, there is a way for you to transfer your Tekonsha Prodigy P3 Trailer Brake Controller # 90195. The plug-in adapter that fits is the following part number: - Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In # 3063-P The # 3063-P will plug in to a port that is actually underneath the drivers side seat. I recommend checking the directions I've linked below which...
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  • Troubleshooting Curt Echo Brake Controller Not Getting Power/Not Connecting to iPhone
  • I have a few things for you to check when it comes to not being able to pair your iPhone with the Curt Echo # C51180. The first thing to do is make sure that you're pairing your phone with the Echo through the app. If you paired it through the Bluetooth on your phone then it won't connect in the right way. If you paired it with your phone then go into your phone settings and forget the Echo, then open up the app and pair your phone through the app. Next, make sure that you have power...
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  • Recommended Brake Controller for a Dual Axle Trailer
  • With your 2013 Mercedes GL-450 already having a factory 7 Way installed, the Curt Echo # C51180 will be a great option. This will work with trailers that have electric or electric-over-hydraulic trailer brakes on up to 2 axles. One add on I like to suggest with the Curt Echo is the Manual Override Button # C83HR. After the initial set up with your cell phone, having this button will allow you to operate the manual override without having to reach for your cell phone.
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  • Parts Needed to Install Brake Controller and Trailer Wiring for 2000 Mercedes ML430
  • Since smaller trailers typically use the 4-way trailer wiring harness and the larger ones use the 7-way what you'd first need for your 2000 Mercedes Benz M-Class is a 4-way harness like the part # C59236 which you'd then convert to a 7-way with the part # ETBC7 which also has a 4-way on the side of it to use with a smaller trailer. Then for a brake controller you could use the Brake EVN # TK63VR and you'd be set. The # ETBC7 comes with everything needed to install the brake controller...
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  • Parts Needed to Install Brake Controller in 2020 Mercedes Benz GLS
  • If your 2020 Mercedes Benz GLS has the factory 7-way you can easily install the Redarc Tow Pro Elite part # RED44FR with just the install harness part # 3066-P. If you do not have a 7-way you'd have to install a 4-way like part # 119190KIT with the 7-way adapter # ETBC7 so that you could install a wireless brake controller like the Curt Echo Mobile # C51180. To find someone to do the install best option is to find a local mechanic to you with a good reputation and let them tackle the...
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  • 2017 Mercedes-Benz GLE Brake Controller Recommendation
  • For your 2017 Mercedes-Benz GLE 43 I recommend using the Redarc Tow-Pro Elite Trailer Brake Contoller # RED44FR as this will give you a very clean finished product that won't take up a lot of space. From the pictures I could find of your interior I recommend installing in the blank cover to the right of the headlight switch if that is available. To complete the installation you will need the Tekonsha Plug-In Wiring Adapter # 3066-P and Redarc Tow-Pro Wiring Adapter # 331-TPH-017. These...
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  • Install Harness for Redarc Tow Pro Liberty for 2013 Mercedes Sprinter 3500
  • Yes the Redarc Tow Pro Liberty part # RED24FR can be installed in your 2013 Mercedes Sprinter with the install harness part # 3063-P.
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  • Parts Needed To Install Redarc Tow-Pro Elite Trailer Brake Controller On 2017 Mercedes-Benz GLE
  • In order to install the Redarc Tow-Pro Elite Trailer Brake Controller part # RED44FR on a 2017 Mercedes-Benz GLE with tow package you will only need the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3066-P and Redarc Tow-Pro Wiring Adapter for Tekonsha Brake Controller Harness part # 331-TPH-017 which makes for a plug and play install. The Tow-Pro Elite is the best model available with both user and proportional braking modes.
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  • Recommended Brake Controller For A 2016 Mercedes GLE 350
  • When it comes to installing a brake controller on your 2016 Mercedes-Benz GLE if you have the factory tow package already installed in your vehicle then you will only need the following items: Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional # 90195 Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers # 3066-P The proportional brake controller automatically levels when mounted within a 360-degree vertical range, it also includes a customizable...
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  • Recommended Wireless Brake Controller for 2020 Mercedes-Benz GLE
  • The Tekonsha Prodigy RF you'd looked at, part # TK94FR would work well for you. The controller would mount directly to your trailer tongue, the trailer's 7-way would plug into the unit, and the unit itself would plug directly into the 7-way on your vehicle. The controller uses a remote that plugs into the 12-volt outlet on your dash. As long as the 7-way on the vehicle has a functional 12v feed, the controller would work great for you. You needn't worry about this one coming loose....
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  • Can Redarc Tow Pro Elite Brake Controller Wire be Extended
  • Redarc does not offer longer cables between the knob and the module but we've spoken with Redarc before and they have told us that you can use a standard RJ45 network cable to extend as far as needed which you'd be able to easily source locally. The standard bracket is 1 inch wide and and is 1-1/2 inches tall with the knob being right at 3/4 inches. The harness is right at 15/16 inches wide. The knob itself is 3/4 inches on the back 5/8 inches on the front and 1/2 inch deep. I've attached...
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  • Pairing Tekonsha TK94FR Prodigy RF Brake Controller to 2020 Mercedes-Benz GLE
  • As you mentioned, if you have difficulty getting the unit to pair with the remote, you can simply use an American vehicle equipped with a 7-way trailer connector to pair the unit to the remote, then plug the trailer and remote in to your Mercedes. If one isn't available, you can also use a tester, part # TR20117. In order to pair up correctly, be sure to follow the pairing procedure shown in the linked instructions exactly. I've linked to a demonstration video showing the Tekonsha...
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  • Can Redarc Tow Pro Elite Brake Controller Fit 2014 Mercedes Sprinter
  • Yes the Redarc Tow Pro Elite Brake Controller part # RED44FR will work great in your 2014 Mercedes Sprinter. The install harness you'd need is the part # 3063-P which plugs in under the dash and you'd be set.
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  • Curt C51180 Echo Not Showing LED on 2020 Merceds Benz GLS 450 with 7 way Factory Connector
  • If you're not getting a light on the LED whatsoever, it indicates that the unit isn't getting power through the trailer connector. Use a circuit tester like # 40376 on the pin in the 1:00 position in your 7-way trailer connector. If the connector isn't getting power on that pin, there's likely a fuse missing in the power distribution box in the engine compartment. You're looking for the 'Trailer 12V' or 'Trailer Charge' circuit. A fuse panel diagram wasn't shown in the online owner's manual...
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  • Troubleshooting Tekonsha Prodigy RF Brake Controller that Won't Pair with Mercedes
  • The issue you are having is not uncommon for German vehicles with the Prodigy RF part # TK94FR that you referenced. There are a few things you can try to get the unit to pair. First, If you do not see displayed what the instructions say just keep going through the steps. Sometimes, it will not display what it is supposed to but it will still work if you go through the steps to completion. If that does not work then you can try taping off the pin in the 5 oclock position at the back...
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  • Prodigy P3 Brake Controller Installation in 2015 Mercedes-Benz Sprinter
  • There is no quick-connect brake controller wiring port on your 2015 Mercedes-Benz Sprinter (unless it has a factory-installed 7-way) but we do offer a brake controller installation kit, part # ETBC7, that makes hardwiring a controller like the P3 # 90195 a straightforward process. As long as you have a working 4-pole harness on the vehicle, then the controller and the install kit are all you'll need to complete your P3 installation. If you need a 4-pole then you can use part # 119190KIT....
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  • Parts Needed To Tow Trailer W/ Electric Brakes With 2016 Mercedes-Benz GLC 300
  • I would be happy to help! It sounds like you have a pretty good plan so far of using the Draw-Tite Trailer Hitch Receiver # 76082 and a 4-way connector # 118747 if you do NOT have the premium package, or the # 119147KIT if you do have the premium package on your 2016 Mercedes-Benz GLC 300. Since your Little Guy Mini Max Trailer has a electric brakes you can convert the 4-way connector to the 7-way connector you need by using the # ETBC7L. This kit will only require two wiring connections...
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  • Parts Needed to Install Prodigy P3 # 90195 in 2017 Mercedes Benz GLE
  • The Prodigy P3 part # 90195 is a really great controller and would be what I would recommend highly for your 2017 Mercedes Benz GLE and all you'd need to install it is the part # 3066-P and you'd be set. No other changes would need to be made.
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  • Is There a Hazard Pulse Preventer on the Curt Echo Mobile Trailer Brake Controller Part # C51180
  • Yes, there is a hazard light override feature on the Curt Echo Mobile Trailer Brake Controller part # C51180 that you can turn on via the in-app settings (see photo). Therefore, if you needed you could drive with the hazard lights flashing and not have to worry about the brake controller applying the brakes on the trailer.
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  • Troubleshooting Prodigy RF Brake Controller Not Pairing with Remote
  • The issue you are having is not uncommon for German vehicles like your 2016 Mercedes Metris. There are a few things you can try to get the unit to pair. First, If you do not see displayed what the instructions say just keep going through the steps. Sometimes, it will not display what it is supposed to but it will still work if you go through the steps to completion. If that does not work then you can try taping off the pin in the 5 oclock position at the back of the RF (where the...
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  • Location of Stop Light Switch Wire on 2016 Mercedes-Benz Sprinter 3500 to Install Prodigy P2
  • To install the Tekonsha Prodigy P2 Electric Brake Controller # 90885 in your 2016 Mercedes-Benz Sprinter 3500 you'll need to connect the red wire from the P2 to the cold side of the Sprinter's stop light switch. This will be the wire that only shows power when the brake pedal is being pressed. The wire you're looking for is usually a pink wire with a green stripe that is located above the brake pedal under the van's dashboard. Take a look at the video I linked and skip ahead to about...
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  • How To Determine if 2016 Mercedes Sprinter Van has Brake Controller Wiring
  • If Mercedes installed the factory brake controller harness on your 2016 Mercedes Sprinter Motorhome, it would be under the driver's seat. It would have a green connector. If the harness is not under the seat, then from our experience, it was not included on the vehicle and a brake controller must be hard wired. One way you could try to verify if your motorhome came with the brake controller harness would be to provide your VIN to either a Mercedes dealer or to your RV dealer. If...
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  • How to Install a Brake Controller on a 2016 Mercedes-Benz Sprinter 2500
  • If your 2016 Mercedes-Benz Sprinter 2500 came with a factory 7-way trailer connector then there should be a green connector located under the driver's seat. This green connector would then be plugged into a Mercedes-Benz speciality harness and attached to a brake controller. However, if you do not have this connection or cannot find it then you will want to proceed with the hardwire option. In order to hardwire a brake controller such as the Tekonsha Prodigy P3 Trailer Brake Controller...
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  • Recommended Brake Controller for 2020 Mercedes Benz GLC 300 Towing Airstream Trailer
  • The brake controller we recommend using with the 2020 Mercedes Benz GLC 300 is the Curt Echo Mobile # C51180, because it does not require anything wired into the vehicle. The Echo provides proportional braking control for your trailer, meaning that the brakes are applied at the same intensity as the brakes being applied on your tow vehicle; this ultimately leads to a more responsive system and it won't wear out your brakes when towing in traffic or at low speeds. This brake controller is...
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  • Prodigy RF Hand Held Unit Does Not Power On
  • The plug that plugs into the 12 volt outlet in the vehicle has a small fuse in it. You will need to take apart the plug to get to the fuse. If that fuse is bad, that is the problem. You should be able to find a replacement at a local auto parts store. To check to see if it is the fuse before taking the plug apart, you can try plugging it into another vehicle. If you replace the fuse and it still does not work or if it does not work on another vehicle, replacement hand held units are...
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  • Brake Controller Port Location on a 2017 Mercedes-Benz Sprinter 2500
  • According to my research, if your 2017 Mercedes-Benz Sprinter 2500 came with a factory 7-way trailer connector then you will have the brake controller connector pre-wired. This pre-wired connector should be under the driver side seat which you can see in the attached photo. The connector is green with four pins inside. Once you locate this connector you can then install the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 using the Tekonsha Custom Wiring Adapter for Trailer...
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  • Does The Curt Echo C51180 Have To Be Installed Level
  • Good news, the Curt Echo does not have to be mounted level for it to function properly. The 45 degree angle of your 7-way plug does not make a difference in the functionality because of the unit's triple-axis accelerometer. The accelerometer is able to sense the angle that the brake controller is plugged in at and still engages the trailer brakes effectively. I have attached a video of the Curt Echo being installed on a Toyota 4Runner that has a 7-way plug at an angle.
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  • Can the P3 Brake Controller be Install on a 2015 Mercedes GLK 250
  • If you do not have the brake controller already then I actually recommend going with the Curt Echo Mobile # C51180, for a few reasons. First, it does not require that the 7-Way on the vehicle has the brake output circuit so you would not have to add that line. The second reason is that you will not have to hardwire anything on the vehicle like you would with an in-cab brake controller. And the third reason is that the connection in the vehicle for the red wire can be difficult or even non-existent...
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  • Adapter For Prodigy P3 Brake Controller For 2015 Mercedes-Benz Sprinter w/ Factory Tow Package
  • We do indeed have the correct wiring adapter for your 2015 Mercedes-Benz Sprinter to go with the Tekonsha Prodigy P3 Brake Controller # 90195. It's different than the one that fits your '07 4Runner though, and the correct part number for your '15 Sprinter is the following: - Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In # 3063-P
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  • Recommended Brake Controller for a 2002 Mercedes-Benz ML320
  • The Prodigy P2 # 90885 will work great on your 2002 Mercedes-Benz ML320. The P2 is one of the easier proportional brake controller to set up and use. The LED display allows the driver read the diagnostic and operational information the brake controller is relaying. For your 2002 Mercedes ML320 there is no plug and play wiring harness available. The controller comes with a wiring pigtail to hardware the connection. The wiring functions on the pigtail are as follows: Black wire - 12...
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  • Brake Controller Installation on a 2014 Mercedes Benz Sprinter
  • If you follow the installation instructions of the Tekonsha Primus IQ Brake Controller, # TK90160, then you will not have any wiring issues after installation in your 2014 Mercedes Benz Sprinter. The Primus IQ, will have a 4 wire pig tail harness that you will use to your vehicle's wiring. The wire colors will be, black(12-volt power), white(ground), blue(brake control signal), and the red wire(wired to brake light switch). The red wire should be wired to the cold side of your brake...
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  • Brake Controller Installation in 2015 Mercedes ML 350 4Matic with Factory Tow Package
  • There is no Tekonsha brake controller wiring adapter made for your 2015 Mercedes-Benz M-Class with factory tow package so your best options for a brake controllers are the wireless Curt Echo # C51180 or you can do a wired installation of the Prodigy P3 # 90195 if you can confirm that you have the needed signals on each of the wires leading to the under-dash connector. The P3 requires four connections for installation: ground (white), +12V power (black), brake light switch signal (red)...
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  • Brake Controller Options for 2014 Mercedes-Benz M-Class
  • The Curt Echo Wireless Brake Controller # C51180 is a great option for your 2014 Mercedes-Benz M-Class so long as the vehicle has a working 7-way trailer socket. The Echo avoids the need to hardwire the controller into the vehicle. It also offers the ability to easily transfer it between vehicles. Your ML-350 does not have an under-dash brake controller connection port like those found on many tow vehicles so your options are to hardwire a controller like the P2 or to use the Curt Echo....
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  • Parts Needed to Install 7-Way and Curt Echo Mobile on 2020 Mercedes GLC300
  • If you have a 4-way installed on your 2020 Mercedes Benz GLC300 all you'd need is the 7-way adapter kit part # ETBC7L to install and use the Curt Echo Mobile part # C51180 but if you didn't have a 4-way you'd need to start with the part # 118747 as well as the other parts mentioned.
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  • Prodigy RF Will Not Pair with a 2011 Mercedes GLK350
  • The Prodigy RF # TK94FR uses the 3.2 GHz frequency so anything else running at that frequency has the potential to interfere with the RF though I do not think that is the problem. The issue you are having is not uncommon for German vehicles. There are a few things you can try to get the unit to pair. First, If you do not see displayed what the instructions say just keep going through the steps. Sometimes, it will not display what it is supposed to but it will still work if you go through...
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  • Is There an Adaper to Install an Electric Brake Controller on a 2007 Mercedes-Benz GL450
  • If your 2007 Mercedes-Benz GL450 has a brake controller connector under the dash you likely need to get the adapter from Mercedes; unfortunately that's not a part we carry. Then you need to install the Prodigy P2, part # 90885, by wiring it to the adapter you plugged in. On brake controllers the wiring is color specific: Blue - Brake ouput Black - 12 volt power White - Ground Red - Stop light switch You can test that green connector using a circuit tester, like part # 40376,...
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  • Troubleshooting Prodigy RF Brake Controller Installation in 2017 Mercedes-Benz GLE-Class
  • The Prodigy RF Wireless Trailer Brake Controller # TK94FR does require that +12V power to operate it be present at the appropriate contact pin on the vehicle's 7-way. This is the pin at the 1:00 position as you look at the socket. Please refer to the arrow in the linked photo. You'll just need a simple probe circuit tester like # PTW2992 or # 40376, or the special type # TR20117 to confirm that +12V power is present on that contact. Ground the tester to the vehicle and apply the probe...
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  • Pairing Problems with a Tekonsha RF Prodigy Brake Controller and a 2008 Mercedes GL450
  • I attached installation instructions that I checked out and it looks like you need to do the following steps: 1. Connect trailer to tow vehicle 2. Plug the Power Module 7-Way cable into the tow vehicle 3. The trailer 7-way must be disconnected from the power module 4. Start the vehicle engine, or sometimes you will only have to have the key on (try both since you are having problems) 5. Plug the remote hand held unit into an auxiliary power source within reach of you 6. Turn the...
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  • Tekonsha Prodigy RF Wont Pair Troubleshooting with Mercedes
  • The issue you are having is not uncommon for German vehicles. There are a few things you can try to get the unit to pair. First, If you do not see displayed what the instructions say just keep going through the steps. Sometimes, it will not display what it is supposed to but it will still work if you go through the steps to completion. If that does not work then you can try taping off the pin in the 5 oclock position at the back of the RF (where the trailer plugs into) using electrical...
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  • Solution for Curt Echo Mobile Brake Controller App Stuck Loading on iPhone
  • You need to reset the app on your iPhone. Depending on what iPhone you have you'll need to bring up the open app screen by either double tapping the home button or dragging up on the bottom of the screen so that you can kill the app and restart it.
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  • Can Power Switch Be Added to Brake Controller
  • Because of the danger that the user could forget to turn it back on before towing, brake controllers are installed to a constant 12V feed. After 15-20 minutes or so of inactivity, the controllers goes into a sleep mode during which time the controller only draws enough power to keep one LED dot lit, which is a miniscule amount. You'd need to leave the vehicle unattended for 2-3 months or more before you'd need to worry about discharging your battery. Because of that, I wouldn't recommend...
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  • Recommended Brake Controller For 2013 Mercedes Benz GL350
  • We don't have a confirmed fit for a wired brake controller with your vehicle, so I would make sure you confirm that green wire function with your local dealer. The only confirmed fit brake controller we have for your GL350 with factory 7 way is the Tekonsha Prodigy RF Wireless Trailer Brake Controller - 1 to 3 Axles - Proportional # TK94FR. This controller uses the power and trailer functions from your factory 7-way, but uses a control unit that attaches to your trailer and a remote...
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  • Troubleshooting Solid Blue Light on Curt Echo Brake Controller
  • The solid blue light on the Curt Echo # C51180 means that the controller is paired to your smart device but the controller isn't sensing that the trailer is connected. Since your trailer was working just fine a few weeks ago and the controller is still paired to your smart device this leads me to believe that there is an issue with the wiring on your trailer. Try checking to make sure that your trailer connector is clean and free of any debris or corrosion. If that looks good then check...
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  • Parts Needed for Prodigy P2 90885 Brake Controller Installation in 2015 Mercedes-Benz Sprinter
  • We do not have any matching OEM wiring adapters for brake controller installation in the 2015 Mercedes-Benz Sprinter van but Mercedes might offer such a part. Brake controller installation for the aftermarket units we offer like the Prodigy P2 # 90885 will require a hardwiring kit # ETBC7 and a 4-pole harness like # 119190KIT. Linked for you are installation videos for both of these items.
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  • Troubleshooting Intermittent Curt Echo Brake Controller Trailer Connection Error Code
  • If you are seeing a message that says trailer disconnected that would mean that the Echo # C51180 is not connected to the trailer at all and would not be able to control the brakes. If this is an intermittent issue then most likely it's just a bit of corrosion on the pins of your trailer connector that is preventing the connection from being made. Typically just taking some sandpaper to the pins of the connectors fixes this issue.
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  • Brake Controller Pin vs 12V Power Pin for 7-Way on 2016 Mercedes-Benz GLE 350
  • The 12V power that you are referring to is actually on a different circuit than what your Prodigy P3 # 90195 and the Adapter # 3066-P will be sending power on. The 12V power is constant and is the pin in the 2 o'clock position while the brake controller will only send power when the brake pedal is pressed (while you're traveling) or if you apply the brakes with the manual override. The pin for the brake controller is in the 5 o'clock position for the 7-Way connector on your 2016 Mercedes-Benz...
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  • Hitch & Brake Controller Wiring For 2020 Mercedes Benz 4500 Sprinter
  • For me, I always recommend using the Curt Echo # C51180. This is the most hassle free way to get a brake controller system for your setup. If you wanted to go a different route, I recommend using the Redarc Tow-Pro Elite Trailer Brake Controller # RED44FR because it takes up hardly any room and it's not an eye sore inside your 2020 Mercedes Benz 4500 Sprinter Van. If you do not have wiring already, here is a universal installation kit # ETBC7. As far as the hitch goes, after talking...
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  • Using the Prodigy RF Trailer Brake Controller with a 2014 Mercedes GLK with 7-Way but Only 4 Wires
  • If I understand correctly, your 2014 Mercedes GLK has a 7-Way trailer connector but it only has 4 wires going to it. That should mean you only have the basic lighting functions: right turn/brake, left turn/brake, and running lights. You can use a meter or circuit tester such as # 40376, to see if there really are just those functions by testing the pins while someone goes through the lighting functions. I have linked a wiring article that includes diagrams and functions of various connectors...
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  • Tekonsha Prodigy RF Wireless Trailer Brake Controller Wont Pair on a Mercedes-Benz GL-Class
  • The issue you are experiencing is very common on German vehicle such as Mercedes-Benz and Volkswagen. The problem is that there is not enough load on the system to allow for the Tekonsha Prodigy RF Wireless Trailer Brake Controller part # TK94FR to work properly. However, the load issue is usually fixed by using part # 20142.
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  • Is There a Plug and Play Harness for Hayes Energize III Brake Controller on 2016 MB Sprinter 3500
  • I have a solution for you, and there are some brake controllers available that can be used with a plug and play wiring harness to ease installation; however the Hayes Energize III # HA81742B is not one of those controllers and it would need to be hard wired into the vehicle no matter what. If you want to go that route you can use the # HA81789-HBC to plug into the Energize III and gives you the pigtail wiring needed to hardwire. With that said, instead of the Hayes Energize III I recommend...
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  • Troubleshooting Prodigy Brake Controller Installation in Mercedes-Benz Metris
  • A brake controller like the Prodigy P3 # 90195 interacts with only one lighting circuit on a vehicle, the circuit for the brake light switch, which is typically above the brake pedal. This brake signal triggers the controller output for the trailer. Turn signal lights on the car are not required to connect to the controller in any way so if this light function is affecting the operation of the controller then it is possible that there is a short in the 7-way socket or the wiring leading...
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  • Hard Wired Brake Controller for 2020 Mercedes Metris
  • I recommend the Tekonsha Prodigy P3 Trailer Brake Controller # 90195 for a hardwired brake controller on your 2020 Mercedes Metris. It is a proportional brake controller which adapts to light and extreme braking automatically. It also has a customizable LCD screen that will help identify issues and tell you where to begin looking. It is also easily removable for storage or to be used in a different vehicle.
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  • Recommended Brake Controller for a 2016 Mercedes-Benz GLE-Class 350D
  • We do have a few different options for you to use a brake controller with your 2016 Mercedes-Benz GLE-Class 350D. If you have a factory 7-Way wiring connector on your GLE-Class 350 then you simply need the Plug-In Adapter # 3066-P for a Tekonsha controller like the Prodigy P3 # 90195 which installs on a connector that can be found under your driver's side dash behind that carpet that is behind your brake pedal. If your vehicle doesn't have the factory 7-Way then it has no plug-n-play...
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  • Parts Needed to Install Prodigy RF Brake Controller in 2015 Mercedes GL350
  • If your 2015 Mercedes Benz GL350 did not come with trailer wiring you would need to start with a 4-way like the part # 119250KIT which will install by attaching to the taillight wires of your vehicle. It uses sensors though so it doesn't require any hardwiring. Then to convert to a 7-way to be used with the RF you would want the part # 37185. The 4-way would plug into this and then you'd have to run the black wire up to the positive post of the battery with 10 gauge wire like part #...
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  • How to Tell if the Brakes are Working on a Horse Trailer
  • The easiest way to tell if the brakes are working on the trailer would be engage the manual override and have a friend sit outside the vehicle and watch the wheels on the trailer. If they begin to drag when you let off the brake pedal (slowly) on the tow vehicle then you know they are working. You can also test the brake output wire just behind each assembly with a circuit tester to ensure they are receiving power. If the brakes are not engaging then please let me know and I would be...
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  • Brake Controller Recommendation for 2018 Mercedes Benz GLE Class
  • The reason we only recommend the Prodigy RF brake controller part # TK94FR for your 2018 Mercedes Benz GLE is because according to our brake controller manufacturers if you hardwire in a controller to your vehicle you will void the vehicle warranty. The Prodigy RF # TK94FR though is a great controller that's easy to use and provides you with the exact amount of braking your trailer will need.
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  • Installing a Brake Controller on a 2015 Mercedes-Benz GL-Class
  • I have a solution for you, but unfortunately there are no plug-n-play style wiring adapters available for your 2015 Mercedes-Benz GL-Class, and it is usually fairly difficult to hardwire in a brake controller because you have to locate the stop light switch. What I recommend using is the Curt Echo # C51180. This is the best option for your Mercedes-Benz because it plugs right into the 7-Way wiring harness on your Mercedes-Benz. The Echo will activate your trailer's brakes in proportion...
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  • Plug-In Adapter for Installing Tekonsha Prodigy P3 on a 2016 Mercedes-Benz GLE-350
  • The answer page that you are referring to was actually completed a few years ago and at the time nobody had a plug-in option for the brake controller. I had contact different manufacturers and they all said that it had to be hardwired. Since then, as you have found, a plug-in adapter has been found so all you need to install the Prodigy P3 # 90195 on your 2016 Mercedes-Benz GLE-350 is the Plug-In Adapter # 3066-P. This is the option you can go with if you have the factory 7-Way. If you...
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  • Best Trailer Brake Controller for 2014 Mercedes-Benz M-Class
  • Yes, we recommend the Tekonsha Prodigy P3 Trailer Brake Controller # 90195 for your M-Class often. If your vehicle has a 7-way trailer connector the installation will also require the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers # 3066-P. Installing the P3 consists of only mounting the main unit on the trailer, plugging in the hand-held display in the passenger compartment and pairing the two. The linked video will show you the P3 installation process in another brand...
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  • Parts Needed to Install Trailer Brake Controller and 7-Way in 2010 Mercedes-Benz ML350
  • If you are trying to install a trailer brake controller in your 2010 Mercedes-Benz ML350 the parts you will need are the brake controller itself, such as the Prodigy P3 # 90195, our installation kit # ETBC7 and a 4-pole wiring harness # 119190KIT if you do not already have one. These three items are all that are needed to install a brake controller and 7-way trailer connector with all light and power functions. Helpful video and FAQ links are included for you.
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  • Is the P3 Brake Controller a Good Choice for a 2018 Mercedes Metris
  • The P3 brake controller # 90195 is a fantastic brake controller and since it is not vehicle specific it can be used with your 2018 Mercedes Metris provided that it did not come with a factory installed 7-Way trailer connector (you would need to install a 4-Way trailer wiring harness, # 119250KIT, and use install kit # ETBC7 to complete the installation). If it did come with a factory installed 7-Way trailer connector then I do not recommend the P3 and instead I recommend the Curt Echo...
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  • Curt Echo Not Getting Power From Factory 7 Way On A 2015 Mercedes GLK250
  • Yes, it is possible that even though there is a factory 7 way it may not have the power wire connected on your 2015 Mercedes-Benz GLK250. This is common on some vehicles. You are correct that a 12 gauge power wire and circuit breaker is going to have to be ran from the battery to the 7 pole plug in order for the Curt Echo Wireless Trailer Brake Controller - 1 to 2 Axles - Proportional Item # C51180 to work correctly. I recommend the Circuit Breaker - 30 Amp - Perpendicular Mount Bracket...
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  • Is the Curt Echo Waterproof?
  • Yes. Because the Curt Echo # C51180 is made to be outside the vehicle, it's engineered for maximum weather resistance, but I would not recommend submerging the Curt Echo for any extended period of time. The unit is filled with an epoxy resin that seals off the internal components from moisture and the elements, ensuring long-lasting operation despite rain, snow, dirt, mud, and more. I do not recommend that you use this on a boat trailer that may submerge the connector, but it will stand...
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  • Will Curt C51180 Echo Wireless Brake Controller Work With 7-way Connector on 2014 Mercedes GL450
  • It sure will! The Curt Echo Brake Controller, part # C51180 will indeed eliminate any wiring in the vehicle cab. The Echo works wirelessly, and would allow you to use your smart phone to control the braking action. All it needs from your 7-way trailer connector is a functional 12-volt circuit from the battery. It's a pretty slick setup. Not only does it eliminate the need for any wiring in the cab, but it also eliminates the need to drill holes in your dash and hang a box from it that...
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  • Recommended Wiring and Brake Controller for 2017 Sprinter 3500 Dually with 170 Inch Wheel Base
  • The 2017 Mercedes-Benz Sprinter 3500 dually 170 wheel base will require a few items to install a brake controller. I recommend the Tekonsha Prodigy P3 Trailer Brake Controller # 90195 for a brake controller that will give you the proportional braking to keep your trailer brake timing and intensity in line with your vehicle. To wire this, you will first need a 4-way connection. If you don't have one, I recommend the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector #...
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  • Is There a Brake Controller Adapter Harness for a 2020 Mercedes GLE 450
  • I do have an option for the 2020 Mercedes-Benz GLE 450 in the Curt Echo Mobile Trailer Brake Controller part # C51180 which is a completely plug and play option. Furthermore, the Curt Echo uses your phone so you don't have to drill into the dash to mount the controller like you would for a conventional brake controller. That said, none of the brake controller manufactures have confirmed a brake controller adapter harness for a 2020 Mercedes-Benz GLE 450 as of December 2019. I cannot...
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  • Function of Curt Echo Trailer Brake Controller If There Are Bluetooth Connectivity Issues
  • For your 2016 Mercedes-Benz Metris Passenger Van, the Curt Echo Mobile Trailer Brake Controller # C51180 should work well. It is a fairly new product from Curt and we haven't heard of any issues but we don't have any confirmed distances it has been utilized from any of our customers. I reached out to my contact at Curt and they also don't have a record of distance traveled for their tests. They are very confident in their product and I've attached a review from our local driving test...
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  • Wiring A Prodigy P3 Brake Controller To An Ignition Source On A 2016 Mercedes-Benz Metris
  • You are correct, the Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional Item # 90195 does go to sleep after 15 minutes once the vehicle is shut off. Keep in mind, if you shake the vehicle, open a door, etc. the brake controller will wake back up but it will not draw enough power to drain the battery. We have installed thousands of these brake controllers and have never had an issue with the battery. No, you do not want to connect the brake controller to an ignition...
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  • Wiring Brake Controller to a 2016 Mercedes Sprinter Passenger van w/ Factory Tow Kit
  • Under the seat of your 2015 Mercedes Sprinter there should be a harness with a green connector. That will be the brake controller harness. We don't have an adapter that plugs right in but you can cut the connector off and hardwire directly to the wires. We have some info on the wiring colors of your vehicle but I would recommend you test them with a circuit tester like part # PTW2993 first. Attach the red wire on the controller to the black wire with the brown stripe on the wiring harness....
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  • Installing Brake Controller On 2010 Mercedes-Benz Sprinter
  • When installing the Tekonsha P2 Brake Controller, part # 90885, you will need to test the green plug you found under the 2010 Sprinter seat with a circuit tester like part # 40376. You will want to make sure all of the functions exist in the wiring plug before splicing into the wiring to attach the brake controller harness. I have attached an installation video for a brake controller on a Sprinter you can check out. The wiring should be very similar for your Sprinter. I have also attached...
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  • Brake Controller Recommendation for a 2013 Mercedes ML350
  • While there isn't a specific wiring harness to plug into a brake controller plug on your 2013 Mercedes ML350 the vehicle may have the Mercedes one stored somewhere or it could be available at a Mercedes dealer. Then you could wire in a brake controller such as # 90195 directly to the Mercedes harness if you know the wire functions. On a brake controller white is ground, black is 12 volt power, blue is output to the trailer brakes, and red is input from the brake switch. If there isn't...
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  • Prodigy RF or P2/P3 Comparison
  • Both RF- and wired-type proportional Prodigy brake controllers use an accelerometer to detect braking in the tow vehicle in order to send a proportional brake signal to the trailer brakes. Performance wise they would be identical. The P2 does have to be mounted facing a certain direction so that it can properly sense decoration though so you would need to consider that as well. The RF # TK94FR doesn't require any permanent modification to install though which is nice and the remote...
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  • Adding a Brake Controller to a 2012 Mercedes-Benz Sprinter with 7-Way Trailer Connector
  • Since your 2012 Mercedes Sprinter does not have the wiring to plug in a brake controller but does have a 7-Way trailer connector you will need to do a little hardwiring to install a controller such as # 90195. You will need installation kit # 5506. From the kit you will use the wire, 30 amp circuit breaker, and ring terminals. On the brake controller the white wire will ground to the negative battery terminal. The black wire will connect to the positive terminal via the 30 amp circuit...
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  • Will Curt Echo Brake Controller Work With 2014 Mercedes-Benz ML350 on Long Downhill Grades?
  • The Curt Echo Trailer Brake Controller # C51180 is a proportional brake controller, which means it the brakes are going to be activated based on your 2014 ML350's deceleration and because it activates based on inertia and not the type of braking, it will work fine. What you can do is set the boost level higher for the downhill grades, which will send out more initial braking power and allowing for more control.
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  • Can Curt Echo Mobile Brake Controller Be Used While Trailer Battery is Charging
  • The Curt Echo part # C51180 draws power from the 12 volt accessory circuit of the vehicle which is also the same circuit that charges a trailer battery. The Curt would not draw power from the trailer battery and especially not when the trailer is parked as it would not be drawing amperage at this point. I did speak to Curt about whether or not it's a good idea to try and charge a trailer battery with this connected and this is what they sent me: That circuit is only rated for 30 amp...
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  • Brake Controller and Wiring Recommendation for 2012 Mercedes Benz ML
  • The ZCI Trailer Wiring Harness part # 119250KIT will fit your 2012 Mercedes ML and provide the lighting functions. For braking you will need a brake controller and a 7-way. Since your vehicle is a bit more difficult to install a brake controller in we recommend the RF part # TK94FR which will only require you use the adapter part # 37185 to install the controller. Basically you would just need to complete the 12 volt pin of the 7-way (which is the 1:00 position) and the controller will...
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  • Brake Controller Install Solution for 2015 Mercedes ML350
  • While there isn't a specific wiring harness to plug into a brake controller plug on your 2015 Mercedes ML350 the vehicle may have the Mercedes one stored somewhere or it could be available at a Mercedes dealer. Then you could wire in a brake controller such as # 90195 directly to the Mercedes harness if you know the wire functions. On a brake controller white is ground, black is 12 volt power, blue is output to the trailer brakes, and red is input from the brake switch. If there isn't...
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  • Brake Controller Recommendation for 2014 Mercedes ML 350
  • First let's start with a brake controller. I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. Next, for a wiring kit to install the brake controller and the 7-way of your vehicle you would want the Wiring Kit for 2 and 4 Brake Electric Brake Controllers # 5506. This will provide the power source and ground for the wiring for the brake controller. You will need to test the...
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  • How Does Brake Controller Install on 2017 Coachman Prism On Sprinter Chassis
  • For your 2017 Coachman Prism on a Mercedes Sprinter that has a factory 7-way the Prodigy P3 part # 90195 can pretty easily install. There is a green connector under the driver seat of your RV that is for the install of a brake controller. We don't sell a connector that plugs right into it, but you can still use it to wire up a brake controller like the P3 part # 90195. You'll need to cut the connector off and then wire the vehicle wiring to the controller's wiring. On the controller...
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  • Brake Controller Recommendation for a 2013 Mercedes ML350
  • Installing a traditional in-cab brake controller on a 2013 Mercedes ML350 can be challenging. the problem is finding the correct brake switch wire or dedicated brake light only circuit that will connect to a brake controller red wire. This has to be done because there is no brake controller adapter for Mercedes vehicles. It is possible that there is a factory Mercedes harness that just plugs into the vehicle under the dash somewhere. If that is the case then you can use a regular in...
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  • Troubleshooting No Lighting Signals from Prodigy RF Brake Controller
  • Thank you for purchasing the Prodigy RF Wireless Trailer Brake Controller # TK94FR a few years back. I am sorry it is now giving you trouble. Since it sounds like the operational issue is limited to lighting functions (not trailer braking) I suggest you start your troubleshooting by applying a circuit tester like # 40376 to the lighting circuit contacts on the GL350's 7-way socket. This will tell you if those signals are making it to the RF from the vehicle. The linked photo shows the...
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  • Will Prodigy RF Electric Brake Controller Work on 2018 Mercedes Sprinter 3500
  • The Prodigy RF Electric Brake Controller # TK94FR isn't on our fit guide for too many vehicles. However, it will fit any vehicle that has a 7-way trailer connector with a hot 12 volt. So as long as your 2018 Mercedes Benz Sprinter 3500 has a functioning 7-way it will work just fine for you.
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  • RF Brake Controller Install for 2011 Mercedes ML350 with Factory 7-wire
  • To install Prodigy RF brake controller # TK94FR in your 2011 Mercedes Benz ML350 that has a factory 7-way all you need to do is make sure the 12 volt accessory circuit is complete and there is voltage on the 1:00 pin of your 7-way. Other than the controller now other parts would be needed. Check out the install video I attached for more info.
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  • Troubleshooting Jerking/Grabbing Brakes when Using Curt Echo # C51180
  • The first thing to check is to make sure that the sensitivity or output settings on your Curt Echo # C51180 did not change from your original settings. It also may be beneficial to re-adjust the controller from scratch. In order to do this, Curt recommends performing the setup on a completely flat paved/concrete surface. At around 25 MPH, apply the vehicle's brakes. If the trailer brakes lock up or jerk/grab, decrease the max output level. Repeat this process until brakes are firm (just...
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  • Curt Echo Best Wireless Brake Controller for Mercedes-Benz GLE
  • I completely understand your frustration and need for simplicity. I recommend the Curt Echo Wireless Trailer Brake Controller item # C51180. This bluetooth-enabled brake controller wirelessly connects to your smartphone, allowing you to control your trailer's brakes from your phone. The compact unit plugs in line with your 7-way trailer connector at the rear of your vehicle. This is a proportional brake controller that activates your trailer's brakes based on the deceleration of your vehicle....
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  • Parts Needed to Wire Brake Controller to 2017 Mercedes Benz Sprinter with Green Connector
  • Since you have brake controller pre-wiring already on your 2017 Mercedes Sprinter 3500 you would not need to use a stop light switch like part # RM-751475. We don't sell a connector that plugs right into it, but you can still use it to wire up a brake controller like the P3 part # 90195. You'll need to cut the connector off and then wire the vehicle wiring to the controller's wiring. On the controller the blue wire is the brake output circuit which runs to the 7-way of the vehicle,...
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  • Recommended Brake Controller And Wiring For 2015 Mercedes-Benz Sprinter
  • I called my contact at Tekonsha and they have not had a chance to install a brake controller on a 2015 Sprinter. You will need to do some testing and hardwire the installation. I recommend using a circuit tester like part # 40376. You will want to test the wires under the dash for function. I recommend a brake controller like part # 90885. This is a proportional brake controller that sends a signal to the brakes in direct proportion to the brakes applied in your Sprinter. The...
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  • My Curt Echo Brake Controller Is Braking Too Hard And Not Releasing
  • Odds are there is a bad ground causing the issue with your Curt Echo Brake Controller # C51180, but it could also be one other thing, and it is a quick and easy thing to test. We have seen a few issues with the Curt Echo when the trailer plug is connected and then the Echo is plugged into the vehicle. Not 100% sure why this causes it to act weird, but it can. What I recommend trying first will be to do a factory reset. This does require deleting the app and starting the process of installing...
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  • 2022 Mercedes-Benz GLE 450 Brake Controller Recommendation for Tow Package
  • Sometimes on newer vehicles, like your 2022 Mercedes-Benz GLE 450, we don't have a complete picture of what the tow package looks like and so we will put some generic options on our site. Our fitguide will then change as manufacturers come out with wiring instructions or we learn more about the vehicle to know how to instruct people on what exact parts to get. If the wiring that you found is definitely for a brake controller then I recommend using the Redarc Tow-Pro Elite # RED44FR because...
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