See also:

Cleaning the exterior lighting
Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning cloths ...

Rocking the vehicle free
Rocking the vehicle free by shifting back and forth between transmission positions D and R can help to free a vehicle that has become stuck in mud or snow. The engine management system of the ...

Restoring the factory settings
•► Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...