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:

    Exterior
    The GLK350 sported a luxuriously boxy exterior with huge, expressive tires that were the perfect juxtaposition of femininity and gusto. It seemed to be saying, "I could hang with a Land Rover ...

    Efficient diesel and petrol engines
    Apart from the trailblazing hybrid of the Mercedes-Benz S400 Hybrid, the range of engines for the 2010 Mercedes-Benz S-Class comprises eight other powerful units: two diesel variants and six petro ...

    4MATIC (permanent four-wheel drive)
    4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNI ...