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:

    Adjusting the steering wheelmanually
    This function is only available in vehicles in the USA. 1 Release handle 2 To adjust the steering wheel height 3 To adjust the steering wheel position (fore-and-aft adjustment) ► Pull ...

    Child-proof locks for the rear doors
    WARNING Children could open a rear door from inside the vehicle. This could result in serious injuries or an accident. Therefore, when children ride in the rear always secure the rear doors ...

    Side-impact protection thanks to intelligent bodyshell
    Similar to the design of the front area of the new M-Class, the vehicle's intelligent bodyshell design also performs impressively in side-impact accident scenarios. The specific distribution of hi ...