The windshield wipers are inoperative

The windshield wiper drive is malfunctioning.

the Select another wiper speed on the combination switch.
at a Have the windshield wipers checked at a qualified specialist workshop.

    See also:

    Adjusting the head restraints manually
    Adjusting the head restraint height The head restraints must only be removed at a qualified specialist workshop. Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose. ...

    Cleaning the seat belts
    •► Use clean, lukewarm water and soap solution. Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 °F (80 °C) or placing th ...

    Center console
    Center console Function 1 Audio system/COMAND; see the separate operating instructions 2 Seat heating 3 Seat ventilation 4 PARKTRONIC (Canada only) 5 Hazard warning lamps 6 Indicator lam ...