See also:

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 inst ...

Conditions for activation
RACE START can be activated when:  - the doors are closed.  - the engine is running and it has reached an operating temperature of approximately 176  °F (80 °C). This is the case ...

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 ...