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:

    Important safety notes
    ATTENTION ASSIST helps you during long, monotonous journeys such as on freeways and interstate highways. It is active in the range between 50 mph (80 km/h) and 112 mph (180 km/h). If ATTENTIO ...

    Points to observe before use
    With the exception of the socket in the front center console, all sockets can be used for accessories with a maximum current draw of 240 W (20 A), e.g. lamps or chargers for mobile phones. Th ...

    Opening
    You can open the trunk lid using the SmartKey. Press and hold the button on the SmartKey until the trunk lid opens. ...