Mercedes-Benz GLK-Class: Problems with the rear window defroster - Operating the climate control system - Climate control - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: 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 is sufficiently charged, the rear window defroster is activated again automatically.

    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 h ...

    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. WARNING Fogged windows impair ...

    See also:

    Handling of compact discs
    ● Use only the type of compact discs that have the mark shown in the illustration below (playback of CD-R or CDRW discs may cause problems). ● The use of special shaped, damaged c ...

    Loose Fuel Filler Cap Message
    If the vehicle diagnostic system determines that the fuel filler cap is loose, improperly installed, or damaged, a “gASCAP” message will display in the odometer or a “CHECK gASCAP” messa ...

    Driving through water
    If driving through deep or standing water is unavoidable, proceed very slowly. Never drive through water that is higher than the bottom of the wheel rims (for cars) or the bottom of the hubs (for ...