See also:

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...

Wet roads
WARNING After driving in heavy rain for some time without applying the brakes or through water deep enough to wet brake components, the first braking action may be somewhat reduced. You h ...

Incoming call
Rejecting or accepting a call When there is an incoming call, you see a corresponding window in the display. To reject: select Reject by turning the COMAND controller and press to confir ...