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:

    Vehicle tool kit
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    Ride & Handling
    The M-Class evokes the S-Class' driving experience in a few ways. For one, it feels especially substantial and planted when cruising on the highway, enhancing driver confidence and lowering drivin ...

    Introduction
    SRS consists of: • the SRS warning lamp • air bags • air bag control unit (with crash sensors) • Emergency Tensioning Devices/belt buckle tensioners • belt force limiters SRS reduces the ri ...