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:

    Activating/deactivating Blind Spot Assist
    You can use the Blind Spot Asst. function to activate or deactivate Blind Spot Assist or Active Blind Spot Assist. •► Press on the steering wheel to select the DriveAssist menu. •► ...

    Cleaning the exhaust tail pipes
    Impurities combined with the effects of road grit and corrosive environmental factors may cause flash rust to form on the surface. You can restore the original shine of the exhaust tail pipe by cl ...

    Radiator
    Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of th ...