Mercedes-Benz GLK-Class: Activating/deactivating - Rear window defroster - Operating the climate control system - Climate control - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Activating/deactivating

WARNING 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 lamp in the  button lights up or button. The indicator lamp in the goes out. button lights up or goes out.
    Problems with the rear window defroster
    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 ...

    See also:

    Brakes and clutch
    Checking brake/clutch fluid level Check the fluid level in the reservoir periodically. The fluid level should be between MAX and MIN marks on the side of the reservoir. Before removing the reser ...

    Washer
    Washer To wash the windshield, push the washer button at the end of the wiper control lever. The washer fluid sprays until you release the washer button. The wipers operate while you push ...

    Combination headlamps and dipper switch
    Headlamps NOTE: ● Do not leave the lights on for a long time while the engine is stationary (not running). A rundown battery could result. ● When it rains, or when the vehicle has b ...