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:

    High outside temperatures
    If DEF heats up to over 122 °F (50 °C) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

    Exterior
    Measuring an inch shorter than the BMW X5 and 3.6 inches shorter than the RX 330, the four-door M-Class is 182.6 inches long overall and rides on a 111-inch wheelbase. At 71.7 inches tall, the M-C ...

    Important safety notes
    WARNING Air bags are designed to reduce the incidence of injuries and fatalities in certain situations: - frontal impacts (driver's and frontpassenger front air bags and driver's knee bag) ...