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:

    Cross bar
    Points to observe before use The maximum roof load that can be used with additional accessories decreases by the dead weight of the crossbars (13.7 lbs/6.2 kg). Note that installing the crossb ...

    Program selector button
    General information The program selector button allows you to choose between different driving characteristics. Program selector button on all models except AMG vehicles For further infor ...

    Summer tires
    - Optionally, tires with a maximum speed of over 149 mph (240 km/h) may have "ZR" in the size description depending on the manufacturer (e.g. 245/40 ZR 18). The service specificat ...