Setting the rear-compartment airflow using the rear control panel

ignition lock. Turn the SmartKey to position 2 in the ignition lock.

14 up or down. To increase/reduce: press rocker switch 14 up or down.

    See also:

    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 ...

    Making adjustments in 1 mph (Canada: 1 km/h) increments
    Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

    Deactivating the HOLD function
    The HOLD function is deactivated automatically if: - you accelerate and the transmission is in position D or R. - the transmission is in position P. - you apply the brakes again with a certain am ...