Trailer Wiring Harness that Fits 2020 Mercedes GLC 300

Question

Question:

Hi, I have a 2020 Mercedes Benz GLC 300 with the Premium package. Which wiring harness will work with my vehicle? Thanks, Rick

asked by: Richard K

0

Expert Reply:

We have universal trailer wiring harnesses that fit your 2020 Mercedes GLC 300 with the Tekonsha part # 119147KIT. This ties into the taillight wiring of your vehicle with included quick splice connectors.

expert reply by: Jameson C

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Answer 1

Since you only want to carry your Kuat Transfer like the #KU84FR there is no need to be concerned about wiring. If you did want to install a wiring harness like the #118747, I still wouldn't expect there to be an issue since you aren't…

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Answer 2

There isn't anything like an autonomous controller that would step up if the factory controller fails. I'd simply bypass the existing factory brake controller. The GM ITBC, although it works better now than the earlier models has been…

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Answer 3

Are you certain it is a Pollak PA66-ND40 as opposed to a Pollak PA66-MD40? The only reason I ask is we do have a replacement for the MD40, which is the Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket #PK11893-11933 which we know has been…

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Answer 4

I spoke with my contact at Pollak and he stated that the Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket, #PK11893-11933 is the correct replacement part for the Pollak PA66-MD40 that you have.

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Answer 5

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…

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Answer 6

The Tekonsha Prodigy RF Wireless Trailer Brake Controller w/ Bluetooth item #TK94FR has to be securely mounted to your trailers coupler with screws. The Prodigy RF connects to your vehicles 7-way so there aren't really any alternatives to…

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Answer 7

According to Tekonsha, their #118747 T-Connector trailer wiring harness fits US and Canadian spec 2020 Mercedes-Benz GLC 300 models with the exception of vehicles equipped with the PO3 Premium Package. If you're unsure of how your GLC300 is…

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Answer 8

From what I could find out, the Pollak #PK11893-11933 will actually be the full replacement for your PA66-MD40. If you do just need the 7 Way plug, however, the #PK11893 will be all you need.

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Answer 9

Yes, the Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket #PK11893-11933 is still available. This is the same as the PA66-MD40 which fits your 2007 Dodge Dakota. For your spare time mounting cable assembly you will want to contact a local…

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Answer 10

Hey Stan, I did some research and it looks like all you have to do to remove the wires from the Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket #PK12-707E is loosen those two set screws, and the you should be able to pull the wires out…

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Answer 11

See the diagram I've attached of the different styles of 7-way trailer connectors. Both trailer and vehicle side. I've also attached an article that may be helpful to you.

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Answer 12

The Tekonsha trailer wiring kit part #118747 is a plug and play option that fits your 2019 Mercedes GLC 300 but does require running a wire up to the battery. This is because the taillights of your vehicle can't handle the amperage draw of the…

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Trailer Wiring Harness that Fits 2020 Mercedes GLC 300

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