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.

http://strategic-human-resource.com/

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:

    Resetting triggered NECK-PRO head restraints
    WARNING For safety reasons, have the NECK-PRO head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING When pushing back the NECK-PRO head r ...

    Activating RACE START
    Depress the brake pedal with your left foot, and keep it depressed. Turn the drive program selector clockwise until the RS lamp lights up. The multifunction display shows the RACE START Conf ...

    Slippery road surfaces
    WARNING The outside temperature indicator is not designed to serve as an ice-warning device and is therefore unsuitable for that purpose. Indicated temperatures just above the freezing poi ...