Activating/deactivating

Any accumulation of snow and ice should be WARNING
Any accumulation of snow and ice should be removed from the rear window before driving.
Visibility could otherwise be impaired, endangering you and others.

The rear window defroster has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes.
If the battery voltage is too low, the rear window defroster may switch off.
- Turn the SmartKey to position 2 in the ignition lock.
- Press the The indicator lamp in the button button.
The indicator lamp in the lights button lights up or goes out.

    See also:

    2011 Mercedes-Benz R-Class Review
    As family-haulers go, the Mercedes-Benz R350 Bluetec is a nice rig — perhaps too nice for the sippy-cup-and-Cheerios gang. Even though the R350 doesn't fit nicely into a defined category such as m ...

    Driving on sand
    WARNING Do not reduce the tire inflation pressure before driving through sand. However, if you do so, remember to correct the tire inflation pressure before continuing your trip. Driving wit ...

    Setting the airflow
    You can set the airflow separately for the driver’s and front-passenger side. Select left airflow 3 or right airflow 5 by turning the COMAND controller and press to confirm. To adjust th ...