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:

    Problems with the seat heating
    The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch off ...

    Important safety notes
    WARNING   For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING&nbs ...

    Connecting AUX equipment
    AUX drive The AUX drive jacks are located on the CD/DVD drive on the right next to the CD/DVD eject button. Displaying AUX The AUX display jacks are on the side of the screen. Audio and vide ...