See also:

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...

Deactivating DSC: DSC OFF
When DSC is deactivated, driving stability is reduced during acceleration and when driving in bends. To increase vehicle stability, activate DSC again as soon as possible. Deactivating DSC ...