See also:

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. ...

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them. Side view ...

Center console, lower section
14 Ashtray Cigarette lighter 15 Stowage compartment 16 Cup holder ...