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.

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:

    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 are ...

    General notes
    WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-B ...

    Driving systems
    Display messages Possible causes/consequences and •► Solutions Attention Assist: Pause! Based on specific criteria, ATTENTION ASSIST has determined that the driver is tired ...