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:

    Additives
    Do not use any additives in the engine oil. This could damage the engine. ...

    Warning and display messages in the multifunction display
    Activate ATTENTION ASSIST using the onboard computer. Symbol 1 appears in the multifunction display. If ATTENTION ASSIST is active, you will be warned no sooner than 20 minutes after your ...

    Activating RACE START
    Depress the brake pedal with your left foot, and keep it depressed. Turn the drive program selector clockwise until the RS lamp lights up. The multifunction display shows the RACE START Conf ...