Mercedes ML320 Rear Lights not working... Fault finding and repair.

Consider to support my channel and all the hard work put into it at   / lmautorepairs   Thank you Hi This car came to me after failing the MOT due to the rear lights not working... A quite common problem on this ones, and on this video, something really strange as the cause of the problem, plus some bonus repairing! Follow me on this video to find out what was the problem and how to resolve it. Link to the programming video:    • Mercedes Rear SAM programming example.   Hope you enjoy the video. Any questions or comments put them below. Like always, thank you for watching!