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:

    Checking the coolant level
    Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, press th ...

    Trailer towing
    - Drive in the middle of the engine speed range on uphill gradients. - Depending on the uphill or downhill gradient, shift down into shift range 3 or 2, even if cruise control or DISTRONIC PL ...

    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 ...