Functional networking, telephone
| Item | Explanation |
|---|---|
| 1 | Central gateway module (ZGM) |
| 2 | Central information display (CID) |
| 3 | Junction Box Electronics (JBE) |
| 4 | Front fuse and relay module |
| 5 | Car Information Computer (CIC), other headunits also possible |
| 6 | Controller (CON) |
| 7 | Front mobile phone base plate |
| 8 | Microphone |
| 9 | Power distribution box, rear |
| 10 | Telephone aerial (GSM) in roof-mounted aerial |
| 11 | Combox multimedia (CBX-MEDIA) |
| 12 | Microphone 2 |
| 13 | Bluetooth aerial |
| 14 | Steering column switch center (SZL) |