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:

    Unlocking the driver's door (mechanical key)
    If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

    Restarting the tire pressure loss warning system
    Restart the tire pressure loss warning system if you have: - changed the tire pressure - changed the wheels or tires - mount new wheels or tires – Before restarting, consult the Tire and Loadi ...

    Switching off the manual drive program
    Vehicles with the dynamic handling package: press the program selector button. M is no longer shown in the multifunction display. AMG vehicles: turn the drive program selector until C, ...