Activating/deactivating

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.

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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 above the  button button.

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

    See also:

    Route mode
    Setting route type and route options You can select the following route types: • Fast Route: COMAND calculates the route with the shortest (minimized) journey time. • Dynamic Route: same ro ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences ...

    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 ...