Legend of electrical function schematic for volume/sound settings, function - PE82.60-P-2059-60RAA
Model 251.0 with CODE (523) MB Audio 20 radio as of model year 09/YoM 08
Model 251.0 with CODE (510) Audio 20 with CD changer as of model year 09/YoM 08
Model 251.1 with CODE (523) MB Audio 20 radio as of model year 09/YoM 08
Model 251.1 with CODE (510) Audio 20 with CD changer as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 16E |
| A2 | Radio | 10E |
| A8/1 | Transmitter key | 11B |
| Code 810 | Sound system | 1A |
| H4/3 | Left rear door speaker | 3H |
| H4/3 | Left rear door speaker | 10J |
| H4/4 | Right rear door speaker | 3J |
| H4/4 | Right rear door speaker | 10J |
| H4/5 | Left front door speaker | 3J |
| H4/5 | Left front door speaker | 10K |
| H4/6 | Right front door speaker | 3J |
| H4/6 | Right front door speaker | 10K |
| H4/27 | Center cockpit speaker (centerfill) | 3J |
| H4/29 | Subwoofer | 3B |
| H4/33 | Left front door tweeter | 3K |
| H4/33 | Left front door tweeter | 10K |
| H4/34 | Right front door tweeter | 3K |
| H4/34 | Right front door tweeter | 10K |
| H4/35 | Left rear door tweeter | 3K |
| H4/35 | Left rear door tweeter | 10L |
| H4/36 | Right rear door tweeter | 3K |
| H4/36 | Right rear door tweeter | 10L |
| H4/54 | Left rear surround speaker | 3L |
| H4/57 | Right rear surround speaker | 3L |
| N40/3 | Amplifier for sound system | 4F |
| N40/9 | Subwoofer amplifier | 4C |
| N73 | EIS [EZS] control unit | 10B |
| N80 | Steering column module | 16B |
| S110 | Left multifunction steering wheel button group | 19B |
| S111 | Right multifunction steering wheel button group | 21B |
| U500 | Not valid for Sound System | 9J |
| CAN B | Interior CAN | 10D |
| CAN B | Interior CAN | 13F |
| CAN C | Engine compartment CAN | 16D |
| LIN E1 | Steering LIN | 18B |
| MOST | Media Oriented System Transport | 7F |
| MOST | Media Oriented System Transport | 7G |
| 1 | Multifunction steering wheel button group, signal | 12F |
| 1 | Multifunction steering wheel button group, signal | 16E |
| 1 | Multifunction steering wheel button group, signal | 17B |
| 2 | Circuit 15R, status | 11E |
| 3 | Voice output, signal | 4B |
| 3 | Voice output, signal | 4E |
| 3 | Voice output, signal | 4H |
| 3 | Voice output, signal | 11H |
| 4 | Vehicle speed, signal | 12F |
| 5 | Instrument cluster, message | 14F |
| 6 | Sound system amplifier, actuation | 6E |
| 6 | Sound system amplifier, actuation | 9F |