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

http://strategic-human-resource.com/

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:

    Vehicle identification plate with vehicle identification number (VIN) and paint code number
    – Open the driver's door. You will see vehicle identification plate 1. Example: vehicle identification plate (USA only) 2 Paint code 3 VIN Example: vehicle identification plate (Canad ...

    Deactivating/activating ESP®
    Observe the "Important safety notes" section (). WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the syste ...

    4MATIC (permanent four-wheel drive)
    4MATIC ensures that all four wheels are permanently driven. Together with ESP®, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING If a ...