See also:

De-authorizing (de-registering) a Bluetooth® device
Mercedes-Benz USA, LLC recommends deauthorization in both COMAND and the Bluetooth® device, e.g. the mobile phone. Subsequent authorization may otherwise fail. In the Bluetooth® device list, se ...

Rejecting or ending a call
– Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...

Activating cruise control
You can adopt the current speed if you are driving faster than 20 mph (30 km/h). – Accelerate the vehicle to the desired speed. – Briefly press the cruise control lever up 1 or down 2. – Remo ...