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:

    DOT, Tire Identification Number (TIN)
    U.S. tire regulations prescribe that every manufacturer of new tires or retreader has to imprint a TIN in or on the sidewall of each tire produced. The TIN is a unique identification number. ...

    Dialing a number from the phone book
    If your mobile phone is able to receive calls, you can search for and dial a number from the phone book in COMAND at any time. •► Copy the telephone book of the mobile phone into the audi ...

    Charging the battery
    WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions th ...