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:

    Manual interior lighting control
    To switch the front interior lighting on/off: press the c button. To switch the rear interior lighting on/off: press the u button. To switch the reading lamps on/off: press the p button. ...

    Raising the vehicle
    WARNING When jacking up the vehicle, only use the jack which has been specifically approved by Mercedes-Benz for your vehicle. The jack is designed exclusively for jacking up the vehicle at t ...

    Opening automatically from the inside
    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 ...