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:

    Adjusting the exterior mirrors
    WARNING Exercise care when using the passenger-side exterior rear view mirror. The mirror surface is convex (outwardly curved surface for a wider field of view). Objects in mirror are clo ...

    Setting the air distribution
    Air distribution settings Automatic climate control: the air distribution can be set individually for the driver's and front-passenger sides. Front control unit: Directs the airflow through the ...

    Notes on technical data
    The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...