See also:

Deactivating
Press and hold the closing button () in the tailgate until you hear two short tones. ...

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 ...

Engine number
1 Emission control information plate, including the certification of both federal and Californian emissions standards 2 Engine number (stamped into the crankcase) 3 VIN (on the lower edge of th ...