See also:

Engine
Problem Possible causes/consequences and •► Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction, for example: ...

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 ...

MB Info call button
Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes wh ...