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:

    Right control panel
    ...

    Increased vehicle weight due to optional equipment
    This is the combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not. ...

    Adjusting the multicontour seat in the rear compartment
    You can use the buttons on the center console to adjust the multicontour seats for the outer seats in the rear compartment. To select a rear-compartment seat: push or pull rocker switch 1 or ...