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:

    Charging the battery
    WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions tha ...

    Other status indicators of the navigation system
    • : you have reached the destination or an intermediate destination. • New Route... or Calculating Route: a new route is being calculated. • Off Map or Off Mapped Road: the vehicle position ...

    Daytime running lamps
    Daytime running lamps in Canada The daytime running lamps function is required by law in Canada. It cannot therefore be deactivated. Turn the light switch to or . With the engine running: d ...