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:
Roadside Assistance button
Open the stowage compartment under the
armrest.
Press and hold Roadside Assistance
button 1 for more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistance Center ...
Restoring the factory settings
- Press the and
buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice. ...
Deactivating
Press and hold the closing button () in the tailgate until you
hear two short tones.
...