Recommended Trailer Wiring Harness for a 2018 Mercedes Benz GLS 450

Question:

Hi, For installing 2018 Mercedes GLS 450 Trailer Wiring Harness, are two parts as below the right parts to be used? 1. Curt Upgraded Circuit Protected Powered Tail Light Converter - 4-Pole Flat Trailer Connector - Item # C56496 2. Powered Converter Wiring Kit - Item # 55151 Your answers will help me on ordering thee right parts. Thanks and regards,

asked by: Bryan C

Expert Reply:

The trailer wiring harness I recommend for a 2018 Mercedes-Benz GLS 450 is the ZCI Circuit Protected Vehicle Wiring Harness part # 119250KIT which is the only option that does not require splicing. This is a powered unit that requires a power wire to the battery.

expert reply by: Conner L