See also:

Deactivating DISTRONIC
There are several ways to deactivate DISTRONIC: ► Briefly press the cruise control lever forwards 1. or ► Brake. The last speed stored remains stored until you switch off the ...

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 ...

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...