Legend of electrical function schematic, adjust compass zone - PE54.50-P-2052-60RAA
Model 251.0 with CODE (523) MB Audio 20 radio with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.0 with CODE (510) Audio 20 incl. CD changer with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.0 with CODE (525) MB Audio 50 APS radio with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.0 with CODE (511) Audio 50 APS incl. DVD changer with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.1 with CODE (523) MB Audio 20 radio with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.1 with CODE (510) Audio 20 incl. CD changer with CODE (245) Electronic compass as of model year 09/YoM 08
Model 251.1 with CODE (525) MB Audio 50 APS radio with CODE (245) Electronic compass as of model year. 09/YoM 08
Model 251.1 with CODE (511) Audio 50 APS incl. DVD changer with CODE (245) Electronic compass as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 2C |
| A8/1 | Transmitter key | 3K |
| B26 | Electronic compass | 2F |
| N73 | EIS [EZS] control unit | 2K |
| N80 | Steering column module | 7C |
| S110 | Left multifunction steering wheel button group | 10C |
| S110s1 | Scroll forward/back button | 10A |
| S110s3 | System selection button | 10A |
| S111 | Right multifunction steering wheel button group | 12C |
| S111s1 | Buttons + and - for setting specific functions and volume control | 12A |
| CAN B | Interior CAN | 2E |
| CAN B | Interior CAN | 2J |
| CAN C | Engine compartment CAN | 5C |
| LIN E1 | Steering LIN | 9C |
| 1 | Electronic compass, signal | 3D |
| 2 | Multifunction steering wheel button group, signal | 4C |
| 2 | Multifunction steering wheel button group, signal | 8C |
| 2 | Multifunction steering wheel button group, signal | 10B |
| 2 | Multifunction steering wheel button group, signal | 12B |
| 3 | Circuit 15R, status | 3H |