Wiring Diagram Of Head Unit - PE82.85-P-2110-97DCB
Model 238 up to model year 2021 with code 520 (Audio 20 USB) except code 531 (COMAND APS) Control unit A26/17
Model 238 up to model year 2021 with code 522 (Audio 20 radio) except code 531 (COMAND APS) Control unit A26/17
| Code: | Designation: | Position: |
|---|---|---|
| AO | Use of wiring diagrams | 121L |
| A104/2 | AM amplifier with selection switch | 85L |
| A2/108 | FM 2, DAB and TV antenna amplifier | 90L |
| A2/155 | Telephone and Remote Park-Pilot/stationary heater antenna changeover switch | 8L |
| A2/18 | FM, AM, CL, DAB and KEYLESS-GO antenna amplifier | 82L |
| A2/23 | GPS antenna | 75L |
| A2/91 | Bluetooth® antenna | 59L |
| A26/17 | Head unit | 4A |
| A26/17 | Head unit | 12A |
| A26/17 | Head unit | 21A |
| A26/17 | Head unit | 28A |
| A26/17 | Head unit | 36A |
| A26/17 | Head unit | 44A |
| A26/17 | Head unit | 52A |
| A26/17 | Head unit | 60A |
| A26/17 | Head unit | 68A |
| A26/17 | Head unit | 72A |
| A26/17 | Head unit | 85A |
| A26/17 | Head unit | 101A |
| A26/17 | Head unit | 94A |
| A26/17 | Head unit | 109A |
| A28/15 | Cellular telephone system antenna amplifier/compensator | 12L |
| A40/8 | Audio/COMAND display | 62L |
| A90/5 | Multimedia connection unit | 23L |
| A90/5 | Multimedia connection unit | 35L |
| A90/5x1 | USB connector 1 | 20L |
| A90/5x1 | USB connector 1 | 32L |
| A90/5x2 | USB connector 2 | 24L |
| A90/5x2 | USB connector 2 | 34L |
| B25/20 | Driver hands-free system microphone | 52L |
| B25/21 | Front passenger hands-free system microphone | 54L |
| CAN A | Telematics CAN | 56K |
| CAN HMI | User interface CAN | 96K |
| Code 228 | Stationary heater | 6G |
| Code 355 | Preinstallation for navigation retrofit | 74A |
| Code 357 | Card navigation | 74B |
| Code 360 | HERMES UMTS | 44D |
| Code 360 | HERMES UMTS | 27B |
| Code 362 | HERMES LTE | 44D |
| Code 362 | HERMES LTE | 27B |
| Code 364 | HERMES UMTS communications module for Russia | 27B |
| Code 367 | Live Traffic Information | 26A |
| Code 379 | Telephone module with Bluetooth® (SAP profile) | 10G |
| Code 386 | Comfort telephony | 10G |
| Code 386 | Comfort telephony | 10G |
| Code 503 | Pre-installation for Remote Parking Pilot | 6H |
| Code 520 | Audio 20 USB | 19A |
| Code 520 | Audio 20 USB | - |
| Code 522 | Audio 20 radio | 26A |
| Code 522 | Audio 20 radio | 69A |
| Code 522 | Audio 20 radio | 65A |
| Code 522 | Audio 20 radio | 74A |
| Code 522 | Audio 20 radio | - |
| Code 810 | Sound system | 113E |
| Code 811 | Advanced sound system | 113E |
| Code 896 | Vehicle access and drive authorization via mobile phone | 15G |
| Code 897 | Wireless mobile phone charging | 15G |
| Code 899 | Multifunction telephony | 10H |
| Code 899 | Multifunction telephony | 15G |
| Code B63 | Sporty engine sound | 113D |
| Code FA | CABRIOLET | 71D |
| Code FA | CABRIOLET | 81D |
| Code FA | CABRIOLET | 6H |
| Code FA | CABRIOLET | 6G |
| Code FC | COUPE | 69D |
| Code L | LEFT-HAND DRIVE | 50D |
| Code L | LEFT-HAND DRIVE | 101D |
| Code R | RIGHT-HAND DRIVE | 50D |
| Code R | RIGHT-HAND DRIVE | 101E |
| F1/3 | Passenger-side A-pillar fuse box | 3L |
| F1/3 | Passenger-side A-pillar fuse box | 29L |
| F1/3f313 | Fuse 313 | 28L |
| F1/3f317 | Fuse 317 | 2L |
| H4/1 | Left front door midrange speaker | 103L |
| H4/1 | Left front door midrange speaker | 106L |
| H4/2 | Right front door midrange speaker | 106L |
| H4/2 | Right front door midrange speaker | 103L |
| H4/3 | Left side paneling midrange speaker | 110L |
| H4/33 | Left front door tweeter | 105L |
| H4/33 | Left front door tweeter | 108L |
| H4/34 | Right front door tweeter | 105L |
| H4/34 | Right front door tweeter | 108L |
| H4/4 | Right side paneling midrange speaker | 111L |
| N112/9 | HERMES control unit | 42L |
| N112/9 | HERMES control unit | 48L |
| N123/8 | Mobile phone cradle control unit | 16L |
| N66/2 | Backup camera control unit | 71L |
| N66/2x2 | Reversing camera control unit electrical connector 2 | 70H |
| S69/6 | Antenna changeover limit switch | 88L |
| W12 | Left center console ground point | 2H |
| X11/4 | Diagnostic connector | 99L |
| X237/1 | Mobile phone contact plate | 12L |
| X30/20 | User interface CAN (CAN HMI) potential distributor electrical connector | 96L |
| X30/35 | Telematics CAN (CAN A) potential distributor electrical connector | 56L |
| X35/1 | Driver door electrical connector | 75G |
| X35/1 | Driver door electrical connector | 106G |
| X35/1 | Driver door electrical connector | 102G |
| X35/2 | Front passenger door electrical connector | 102G |
| X35/2 | Front passenger door electrical connector | 106G |
| X58/3 | Microphone electrical connector | 51F |
| X8/4 | Trunk lid electrical connector | 72F |
| Z14/2z1 | Microphone connector sleeve (-) | 53H |
| Z35/29z1 | Telephone wake-up signal connector sleeve | 12F |