Rear window defroster

Activating/deactivating

WARNING Any accumulation of snow and ice should be 
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 button.

The indicator lamp in the lights button lights up or goes out.

Problems with the rear window defroster

If the indicator lamp in the rear window rear window defroster button flashes, the on-board voltage is too low or the roof is open. 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:

    2011 Mercedes-Benz E-Class Review by Kelsey Mays
    America's fickle regard for station wagons hasn't meant much to most luxury automakers, who've continued to offer a steady stream of wagons and wagonlike cars. The latest example is the Mercedes-B ...

    Important safety notes
    WARNING Air bags are designed to reduce the incidence of injuries and fatalities in certain situations: - frontal impacts (driver's and frontpassenger front air bags and driver's knee bag) - ...

    Hiding display messages
    You can hide some display messages with a low priority. You can hide some display messages with a low priority. – Press the or button on the steering wheel to hide the display message. The dis ...