See also:

Windshield washer system andheadlamp cleaning system
The washer fluid reservoir is used for both the windshield washer system and the headlamp cleaning system. Vehicle components and their service products must match. You should, therefore, only ...

Activating the rear view camera
Make sure that the SmartKey is in position 2 in the ignition lock. Make sure that the "rear view camera" function is selected in COMAND (see the separate operating instructions for C ...

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messag ...