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:

    Shifting to transmission position D
    When the vehicle is stationary, depress the brake pedal. Push the DIRECT SELECT lever down past the first point of resistance. ...

    Cleaning the wiper blades
    WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop but ...

    Vehicle level
    Important safety notes Your vehicle regulates its height automatically. All-round self-leveling ensures the best possible suspension and constant ground clearance, even with a laden vehicle. W ...