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:

    Notes on technical data
    The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

    Closing
    WARNING To prevent possible personal injury, always keep hands and fingers away from the cargo compartment opening when closing the tailgate. Be especially careful when small children are ar ...

    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 ...