See also:

General information
Portable electronic devices in the vehicle may seriously impair radio reception. ...

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 cleaner. ...

Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed with either the front or the rear axle raised, as doing so will damage the transmission. If the vehicle has transmission damage or damage to the front ...