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.

    See also:

    Cleaning the exterior lighting
      Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning ...

    Opening
    - Switch off the engine. - Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the S ...

    Normal occupant weight
    The number of occupants the vehicle is designed to seat, multiplied by 68 kilograms (150 lbs). ...