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:

    Replacing the windshield wiper blades
    Removing the wiper blades ► Remove the SmartKey from the ignition lock. ► Fold the wiper arm away from the windshield. ► Press both release clips 2. ► Fold wiper blade ...

    Safety notes
    WARNING A driver's attention to the road must always be his/her primary focus when driving. For your safety and the safety of others, we recommend that you pull over to a safe location and ...

    Complete safety package for maximum occupant protection
    In combination with the front and rear deformation zones, the Mercedes-Benz GLK-Class's highstrength passenger cell provides a highly efficient foundation for the occupant protection systems. Thes ...