See also:

Engaging the electric parking brake automatically
The electric parking brake is automatically applied if HOLD or DISTRONIC PLUS brakes the vehicle until it is stationary and at least one of the following conditions is fulfilled: • the engine ...

Making adjustments in 5 mph (Canada:

10 km/h) increments
Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

Rejects or ends a call
Press the button on the steering wheel. If you are not in the Telephone menu, you can still reject or end a call. ...