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:

    Speed rating
    The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved. ...

    MB Info call button
    Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes wh ...

    Tow-starting (emergency starting)
    Vehicles with automatic transmission must not be started by tow-starting. This could otherwise damage the transmission. ...