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:

    Maximum loaded vehicle weight
    The maximum weight is the sum of the curb weight of the vehicle, the weight of the accessories, the total load limit and the weight of the optional equipment installed at the factory. ...

    Information for customers inCalifornia
    Under California law you may be entitled to a replacement of your vehicle or a refund of the purchase price or lease price, if after a reasonable number of repair attempts Mercedes-Benz USA, LLC a ...

    Controlling the front climate control using the front control panel
    Turn the SmartKey to position 2 in the ignition lock. Set the desired temperature. To switch on: press the rocker switch up or down. The indicator lamp in the rocker switch lights up. ...