See also:

Restoring the factory settings
- Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

External authorization
If COMAND does not detect your Bluetooth® device, this may be due to particular security settings on your Bluetooth® device. In this case, you can test if your Bluetooth® device can find COMAN ...

Service for recovering a stolen vehicle
If your vehicle has been stolen: Notify the police. The police will issue a numbered incident report. This number will be forwarded to the Mercedes-Benz Customer Assistance Center togethe ...