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:

    BAS (Brake Assist System)
    Observe the "Important safety notes" section BAS operates in emergency braking situations. If you depress the brake pedal quickly, BAS automatically boosts the braking force, thus s ...

    High-beam spot lamp (vehicles with LED-daytime running lamps)/infrared light (Night View Assist Plus)
    Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Switch off the lights. Open the hood. ...

    Vehicle operation outside the USA and Canada
    If you plan to operate your vehicle in foreign countries, please be aware that: • service facilities or replacement parts may not be readily available. • unleaded fuel for vehicles with a ca ...