Legend Of Electrical Function Schematic (Radio) - PE82.60-P-2050-60FAA
Model 204 with CODE (523) MB Audio 20 CD radio except CODE (494) USA version up to Model Year 08/Modification Year 07
| Code | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 8B |
| A2 | Radio | 4E |
| A2/18 | FM, AM and CL [ZV] antenna amplifier | 2J |
| A2/19 | Rear window antenna FM antenna amplifier | 1H |
| A8/1 | Transmitter key | 9J |
| A40/8 | Audio/COMAND display | 4A |
| A40/9 | Audio/COMAND control panel | 2A |
| H4/1h1 | Left front door tweeter | 5K |
| H4/1h2 | Left front door bass speaker | 5K |
| H4/2h1 | Right front door tweeter | 5K |
| H4/2h2 | Right front door bass speaker | 5K |
| H4/3 | Left rear door speaker | 5L |
| H4/4 | Right rear door speaker | 5L |
| H4/27 | Center instrument panel speaker | 5L |
| N73 | Electronic ignition switch control unit | 8H |
| N80 | Steering column module control unit | 14B |
| S110 | Left multifunction steering wheel button group | 13G |
| S111 | Right multifunction steering wheel button group | 15G |
| CAN A | Telematics CAN | 2D |
| 5D | ||
| CAN B | Interior CAN | 8F |
| CAN-E | Chassis CAN | 11C |
| LIN E1 | Steering LIN | 14F |
| 1 | Circuit 15, status | 7E |
| 2 | Switch-on request, signal | 6C |
| 3 | Audio/COMAND display, signal | 4C |
| 4 | Multifunction steering wheel button group, signal | 6E |
| 10C | ||
| 15E | ||
| 5 | AM/FM antenna, signal | 4G |
| 6 | FM antenna, signal | 3F |
| 7 | Speaker, actuation | 5H |
| 8 | Instrument cluster, message | 9E |
| 9 | Audio/COMAND controller, request | 3E |