See also:

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories with a m ...

2009 Mercedes-Benz R-Class Review
The last time I was in a Mercedes-Benz diesel I was 9 years old. My mom drove one. From inside my school classroom, I could hear her driving up the road; I could smell it from across the street. I ...

System self-test
The indicator lamp illuminates when you: turn the SmartKey to position 1 or 2 in the ignition lock on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult occupa ...