Mercedes-Benz GL-Class: Rear window defroster - Operating the climate control system - Climate control - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Rear window defroster

Activating/deactivating

WARNING Any accumulation of snow and ice should be 
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 button.

The indicator lamp in the lights button lights up or goes out.

Problems with the rear window defroster

If the indicator lamp in the rear window rear window defroster button flashes, the on-board voltage is too low or the roof is open. The rear window defroster has deactivated itself prematurely or cannot be activated.

Switch off any consumers that are not required, e.g. reading lamps or interior lighting.

When the battery is sufficiently charged, the rear window defroster is activated again automatically.

    Defrosting the windows
    Windows fogged up on the inside ► Activate the cooling with air dehumidification function . ► Activate automatic mode . ► If the windows continue to fog up, activate the defr ...

    Activating/deactivating airrecirculation mode
    You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated. The operation of air-recirculati ...

    See also:

    Transmission
    Driver Shift Control (DSC) The DSC switch is located on the shift lever. To enable the DSC feature: 1. Move the column shift lever to the M(Manual) position. The Driver Information Center (DIC) ...

    Hitch Cover (without Dual Exhaust)
    The vehicle may have a hitch cover. To remove the hitch cover: 1. Turn the fasteners on the lower tabs 90 degrees counterclockwise. 2. Lift the lower edge of the cover about 45 degrees. 3. Pull t ...

    Finish Damage
    Quickly repair minor chips and scratches with touch-up materials available from your dealer to avoid corrosion. Larger areas of finish damage can be corrected in your dealer's body and paint sho ...