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 wit ...

Problems with the engine
Problem Possible causes/consequences and Solutions The engine does not start. The starter motor can be heard. • There is a malfunction in the engine electronics. • Th ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have ...