Conditions for activation

RACE START can be activated when:
• the doors are closed.
• the engine is running and it has reached an operating temperature of approximately 176 °F (80 °C). This is the case when the engine oil temperature in the multifunction display stops flashing.
• SPORT handling mode is activated.
• the steering wheel is in the straight-ahead position.
• the vehicle is stationary and the brake pedal is depressed (left foot).
• the transmission is in position D.

    See also:

    Emergency Tensioning Devices, belt force limiters
    The front seat belts and the outer seat belts in the rear are equipped with ETDs and seat belt force limiters. The ETDs tighten the seat belts in an accident, pulling them close against the bod ...

    Controlling the rear-compartment climate control automatically using the front control panel
    Turn the SmartKey to position 2 in the ignition lock. Activate the rear compartment function via COMAND. Rear-compartment climate control can be controlled via the front control panel using ...

    System self-test
    After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs: the indi ...