See also:

Replacing the rear window wiper blade
Removing the wiper blade WARNING The wiper arm could be set in motion and injure you if the wiper is switched on. Remove the key from the ignition lock before replacing the wiper blade. - R ...

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 clo ...

Parking brake
If you drive on wet roads or dirt-covered surfaces, road salt and/or dirt could get into the parking brake. In order to prevent corrosion and a reduction in the braking power of the parking brake ...