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 is sufficiently charged, the rear window defroster is activated again automatically.

    See also:

    General notes
    DISTRONIC PLUS regulates the speed and automatically helps you maintain the distance to the vehicle detected in front. It brakes automatically in order to avoid exceeding the set speed. On lo ...

    Working on the vehicle
    WARNING When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in ...

    Important safety notes
    Cruise control maintains a constant road speed for you. It brakes automatically in order to avoid exceeding the set speed. On long and steep downhill gradients, especially if the vehicle is la ...

    mostbet mostbet mostbet