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:

    Driving on flooded roads
    Do not drive through flooded areas. Check the depth of any water before driving through it. Drive slowly through standing water. Otherwise, water may enter the vehicle interior or the engi ...

    Switching the belt adjustment on/off
    For further information on belt adjustment. Press the or button on the steering wheel to select the Settings menu. Press the or button to select Belt Adjustment. Press the button to ...

    2011 Mercedes-Benz GLK-Class Review
    It's funny how an automaker can be ahead of the curve one moment and playing catch-up the next. Mercedes-Benz helped make luxury SUVs mainstream when it debuted the midsize M-Class for the 1998 mo ...