Operation of the ECO start/stop function
WARNING Risk of accident and injury due to automatic engine starting
If the engine was switched off automatically and you then get out, it started again automatically. The vehicle could pull away.
Before leaving the vehicle, always switch off the vehicle and secure the vehicle against rolling away.
Displaying the ECO start/stop function on the instrument cluster:
: The ECO start/stop function is operational. 
: Not all vehicle conditions for an engine stop are met.
Depending on the engine, the symbol first appears during the automatic engine stop or during a journey.
If all vehicle conditions for the automatic engine stop are met, the engine will be switched off automatically:
Vehicles with manual transmission: You decelerate the vehicle to a lower speed, engage neutral
and then take your foot off the clutch pedal. Vehicles with automatic transmission: You stop the vehicle in transmission position
or .
The engine will restart automatically in the following cases:
Vehicles with manual transmission: You depress the clutch pedal.
Vehicles with automatic transmission: You release the brake pedal in transmission position
and with the HOLD function deactivated. Vehicles with automatic transmission: You select transmission position
or 
. You depress the accelerator pedal.
The vehicle requires an automatic engine start.
If the engine was switched off by the ECO start/stop function and one of the doors is opened, the engine will automatically start.