Engine stop

The engine is switched off automatically during a stop under the following conditions:

Manual transmission:

► Neutral is engaged and the clutch pedal is not pressed.
► The driver's safety belt is buckled or the driver's door is closed.

Automatic transmission:

► The selector lever is in transmission position D.
► The brake pedal remains pressed while the vehicle is stationary or the vehicle is held by Automatic Hold.
► The driver's safety belt is buckled or the driver's door is closed.

The air flow of the air conditioner is reduced when the engine is switched off.

Displays in the instrument cluster

Auto Start/Stop function is ready The display indicates that the Auto Start/Stop function is ready for an automatic engine start.

conditions for an automatic engine The display indicates that the conditions for an automatic engine stop have not been satisfied.

Note

The engine is not switched off automatically in the following situations:

► External temperature below approx. +37 ℉/+3 ℃.
► The external temperature is high and automatic climate control is running.
► The passenger compartment has not yet been heated or cooled to the required level.
► The engine is not yet at operating temperature.
► The wheels are at a sharp angle or the steering wheel is being turned.
► After driving in reverse.
► Fogging of the windows when the automatic climate control is switched on.
► The vehicle battery charge is very low.
► The engine compartment lid is unlocked.
► HDC is activated.
► Stop-and-go traffic.
► The transmission selector lever is in position N or S/M.

    See also:

    Coolant temperature
    Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...

    Buckling the belt
    Make sure you hear the latch plate engage in the belt buckle. ...

    Context help - Owner's Manual to the temporarily selected function
    The relevant information can be opened directly. Opening during operation via iDrive To move directly from the application on the Control Display to the options menu: 1. Press the button or mo ...