See also:

Checking tire pressure electronically
Make sure that the SmartKey is in position 2 () in the ignition lock. Press the or button on the steering wheel to select the Service menu. Press the or button to select Tire Pres ...

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

Frequencies for the garage door opener
The radio type approval number and the frequency range for the garage door opener can be found on the Internet at: http://www.mercedes-benz.de/betriebsanleitung. ...