Problems with the rear window defroster

The rear window defroster has deactivated itself prematurely or cannot be activated.

are not 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:

    Activating the HOLD function
    •► Make sure that the activation conditions are met. •► Depress the brake pedal. •► Quickly depress the brake pedal further until HOLD display 1 appears in the multifunctio ...

    Tips for driving with DISTRONIC PLUS
    Important safety notes The following contains descriptions of certain road and traffic conditions in which you must be particularly attentive. In such situations, brake if necessary. DISTRONIC ...

    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 ...