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:

    Important safety notes
    Consult an authorized Mercedes-Benz Center if you require information on approved and recommended tires and wheels for summer and winter operation. Advice on purchasing and caring for tires is ...

    Important safety notes
    WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in un ...

    Activating/deactivating
    The evaporator is ventilated when the airconditioning system is operated. The blower is activated automatically approximately one hour after the vehicle has been locked. The blower operates on ...