Mersedes SUV Manuals

Rear window defroster

Mercedes-Benz GL-Class / Mercedes-Benz GL-Class Owners Manual / Climate control / Operating the climate control systems / Rear window defroster

Activating/deactivating

The rear window defroster has a high current


The rear window defroster has a high current draw. You should therefore switch it off as soon as the rear window is clear. Otherwise, the rear window defroster 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

Activating/deactivating airrecirculation


    See also:

    Activating/deactivating MAX COOL maximum cooling
    The MAX COOL function is only available in vehicles for the USA. MAX COOL is only operational when the engine is running. ► To activate: press the Ù button. The indicator lamp ...

    Overview: changing bulbs/bulb types
    Front lamps You can change the following bulbs. The bulb type can be found in the legend. 1 Turn signal lamp: 1156 NA 2 Side marker lamp: T 4 W 3 Cornering light function with fog lamp functio ...

    Important safety notes
    WARNING Very hot or very cold air can flow from the air vents. This could result in burns or frostbite in the immediate vicinity of the air vents. There is a risk of injury. Make sure that all ...

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