Automatic engine start

The engine is started automatically if you:

 - release the brake pedal when HOLD is not activated and the transmission is in position D or N
 - shift the transmission to position R
 - depress the accelerator pedal
 - have switched off the ECO start/stop function by pressing the ECO button
 - switch to drive program S, S+ or M
 - unfasten your seat belt or open the driver's door

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The engine is also started automatically if:

 - the vehicle starts to roll.
 - the brake system requires this.
 - the system detects moisture on the windshield when the air-conditioning system is switched on.
 - the charge level of the battery is too low.
 - the driver's seat belt is removed or the driver's door is opened.

    See also:

    Restricting the shift range
    Press the selector lever to the left towards D–. or Pull the left-hand steering wheel paddle shifter. The automatic transmission shifts down one gear and restricts the shift range to the re ...

    Cleaning the rear view camera
    ► Use clear water and a soft cloth to clean camera lens 1. Do not clean the camera lens and the area around the rear view camera with a power washer. ...

    Important safety notes
    RACE START is only available in AMG vehicles. RACE START enables optimal acceleration from a standing start. The precondition for this is a suitable high-grip road surface. WARNING RACE S ...