See also:

Cleaning the display
► Before cleaning the display, make sure that it is switched off and has cooled down. ► Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display ...

Important safety notes
The rear view camera is an optical parking aid. It shows the area behind your vehicle in the COMAND display. WARNING Make sure that no persons or animals are in the maneuvering range. Other ...

Cleaning the rear view camera
► Use clear water and a soft cloth to clean camera lens 1. Do not clean the camera lens and the area around the rear view camera with a power washer. ...