Safety

Mercedes-Benz's Electronic Stability Program, antilock brakes, front and rear side-impact airbags, and side curtain-type airbags are standard.

    See also:

    Weight of optional extras
    The combined weight of those optional extras that weigh more than the replaced standard part and more than 2.3 kilograms (5 lbs). These optional extras, such as highperformance brakes, level co ...

    The M-Class also protects its occupants after a crash
    As part of the POST-SAFE® functions, the new M-Class can activate a variety of systems which can contribute towards avoiding post-accident risks. After a more serious crash, the hazard warning lig ...

    System self-test
    The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...