Using these instructions

The vehicle includes a multifunction module from where it is possible to control the audio, telephone and radio / navigation functions and the automatic gearbox* without needing to distract the driv ...

Steering wheel audio version controls

Fig. 48 Controls on the steering wheel Fig. 49 Controls on the steering wheel a) Only for mp3 compatible radio.* ...

See also:

Replacing the bulb or rear interior light W47 / W48
Removing Switch off ignition and all electrical consumers. Vehicles without access and start authorisation system Remove ignition key, if fitted. Vehicles with access and start authorisa ...