The windshield wipers are inoperative

The windshield wiper drive is malfunctioning.

combination switch. Select another wiper speed on the combination switch.

qualified specialist workshop. Have the windshield wipers checked at a qualified specialist workshop.

    See also:

    Safety
    Mercedes-Benz's Electronic Stability Program, antilock brakes, front and rear side-impact airbags, and side curtain-type airbags are standard. ...

    Starting procedure with the SmartKey
    To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/ Stop button out of the ignition lock. X Turn the SmartKey to position 3 in the ignition lock () and release it as ...

    Parking brake
    If you drive on wet roads or dirt-covered surfaces, road salt and/or dirt could get into the parking brake. In order to prevent corrosion and a reduction in the braking power of the parking brake ...