The concept

Pressing the Start/Stop button switches the ignition on or off and starts the engine.
Automatic transmission: the engine starts if the brake is depressed when the Start/Stop button is pressed.
Manual transmission: the engine starts if the clutch is depressed when the Start/Stop button is pressed.
See also:
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 m ...
Safety information
The tire characteristics and tire inflation pressure
influence the following:
The service life of the tires.
Road safety.
Driving comfort.
...
Climate control laminated tinted safety
glass
The vehicle glass provides full protection
against the harmful effects of UV radiation on the
skin. ...
