See also:

The concept
The Auto Start/Stop function helps save fuel. The system switches off the engine during a stop, e.g., in a traffic congestion or at traffic lights. The ignition remains switched on. The engine s ...

Calling up the desired speed and distance
While driving Press the button with the system switched on. In the following cases, the stored speed value is deleted and cannot be called up again: When the system is switched off. When ...

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...