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:

    Setting DSR
    With the DSR speed function, you can set the speed of DSR (the speed for driving downhill) to a value between 3 mph (Canada: 4 km/h) and 10 mph (Canada: 18 km/h). The adjustments are made in 1-mp ...

    Servicing the brakes
    If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...

    Freeway information
    When driving on highways, you can have the nearest gas stations, rest areas, etc., as well as your current distance from them, shown on the right-hand side of the display. To activate navigati ...