Please bear the following in mind

At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.

Observe the notes in the "Changing a wheel" section.

    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 ...

    Vehicle identification number (VIN)
    The vehicle identification number (VIN) can be found in the following locations: on the vehicle identification plate () on the lower edge of the windshield () In addition to being stamped on ...

    The windshield wipers are obstructed
    Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. For safety reasons, you should remove the SmartKey from the ignition lock. ...