Legend of electrical function schematic, calibrate compass - PE54.50-P-2051-60RAA
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 | 2D |
| B26 | Electronic compass | 2J |
| N80 | Steering column module | 7D |
| S110 | Left multifunction steering wheel button group | 10D |
| S110s1 | Scroll forward/back button | 10C |
| S110s3 | System selection button | 10C |
| S111 | Right multifunction steering wheel button group | 12D |
| S111s1 | Buttons + and - for setting specific functions and volume control | 12C |
| CAN B | Interior CAN | 2G |
| CAN C | Engine compartment CAN | 5E |
| LIN E1 | Steering LIN | 9E |
| 1 | Electronic compass, signal | 3F |
| 2 | Multifunction steering wheel button group, signal | 4D |
| 2 | Multifunction steering wheel button group, signal | 8E |
| 2 | Multifunction steering wheel button group, signal | 10D |
| 2 | Multifunction steering wheel button group, signal | 12D |