Start/Stop – function

Start/Stop is a function that temporarily switches off the engine when the vehicle is not moving, for instance in heavy traffic or at a traffic light to help reduce fuel consumption.

Function and use

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Start/Stop symbol in the instrument panel
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Start/Stop button on the center console

Start/Stop is activated automatically each time the engine is started1. The symbol in the instrument panel will be displayed for several seconds when the engine starts and the indicator light in the On/Off button will remain illuminated while the function is activated.

All of the vehicle's systems will function while the engine is auto-stopped, although the function of certain systems may reduced at this time. For example, blower speed and high infotainment system volume may be reduced to help conserve the battery's capacity.

Auto-stopping the engine

Normally, when Start/Stop is activated and the brakes are applied until the vehicle comes to a standstill, the engine will auto-stop automatically if the driver keeps the brake pedal depressed.

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To remind the driver that the engine has been auto-stopped, the Start/Stop symbol will illuminate in the instrument panel and remain on until the engine restarts.

P3-1346-Knapp ECO

If the ECO function* (ECO*) is activated, the engine may auto-stop before the vehicle comes to a complete standstill.

Auto-starting the engine

The engine restarts as soon as the driver releases the brake pedal.

Deactivating Start/Stop

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In certain situations (e.g., driving in heavy, stop-and-go traffic), it may be preferable to deactivate Start/Stop.

This is done by pressing the button in the center console. The indicator light in the button will go out.

Start/Stop will remain deactivated until the button is pressed again or until the engine is switched off and restarted by the driver.

  1. 1 Not when the engine is started using the optional Engine Remote Start feature, Starting the engine
  2. * Option/accessory.