See also:

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 ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions ...

Calling up a stored setting
If you want to move the seat from the fully reclined position to a stored seat position, first raise the backrest. The seat could otherwise be damaged. Press and hold the relevant storage ...