Problems with the rear window defroster

The rear window defroster has deactivated itself prematurely or cannot be activated.

are not Switch off any consumers that are not required, e.g. reading lamps or interior lighting.
When the battery is sufficiently charged, the rear window defroster is activated again automatically.

    See also:

    Canceling or continuing route guidance
    Canceling route guidance To activate navigation mode: press the function button once or twice. To show the menu: press the COMAND controller. Select Destination in the navigation sys ...

    Automatic locking feature
    The vehicle locks automatically when the ignition is switched on and the wheels of the vehicle are turning at a speed of more than 9 mph (15 km/h). You could therefore be locked out when: the v ...

    General notes
    When you lock the vehicle, you can simultaneously: close the side windows close the panorama roof with power tilt/ sliding panel On vehicles with a panorama roof with power tilt/sliding panel ...