Legend of electrical function schematic for Mercedes-Benz Contact, function - PE82.70-P-2061-60MAA
Model 164.1 with CODE (523) MB Audio 20 radio as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (510) Audio 20 with CD changer as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (525) MB Audio 50 APS radio as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (511) Audio 50 APS with DVD changer as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (527) COMAND APS with single DVD drive (with navigation) except CODE (498) Japan version as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (512) COMAND APS with DVD changer except CODE (830) China version except CODE (494) USA version as of model year 09/YoM 08 model refinement package basic telephony
Model 164.1 with CODE (386) Mobile phone except CODE (830) China version as of model year 09/YoM 08 model refinement package comfort telephony
Model 164.8 with CODE (523) MB Audio 20 radio as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (510) Audio 20 with CD changer as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (525) MB Audio 50 APS radio as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (511) Audio 50 APS with DVD changer as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (527) COMAND APS with single DVD drive (with navigation) except CODE (498) Japan version as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (512) COMAND APS with DVD changer except CODE (830) China version except CODE (494) USA version as of model year 09/YoM 08 basic telephony
Model 164.8 with CODE (386) Mobile phone except CODE (830) China version as of model year 09/YoM 08
| Code | Designation | Coordinates |
|---|---|---|
| A1 | Instrument cluster | 16H |
| A2 | Radio | 10C |
| A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 31H |
| A2/56 | Radio and navigation unit | 10F |
| A2/91 | Bluetooth antenna | 23E |
| A2/93a3 | Telephone antenna | 31F |
| A8/1 | Transmitter key | 16F |
| A28/3 | E-net compensator | 28G |
| A34/7 | Bluetooth module | 27E |
| A34/15 | UHI portable CTEL holder (Universal Handy Interface) | 27D |
| A40/3 | COMAND operating, display and controller unit | 10H |
| A67b1 | Hands-free system microphone group | 15C |
| Code 228 | Stationary heater | 29C |
| Code 386 | Mobile phone preinstallation with universal interface | 26C |
| Code 389 | Mobile phone preinstallation with universal interface, USA/Canada | 26C |
| Code 510 | Audio 20 with CD changer | 8B |
| Code 511 | Audio 50 APS incl. DVD changer | 8E |
| Code 511 | Audio 50 APS incl. DVD changer | 24K |
| Code 512 | COMAND APS with DVD changer | 8H |
| Code 512 | COMAND APS with DVD changer | 24K |
| Code 523 | Audio 20 radio | 8C |
| Code 525 | Audio 50 APSradio (CD) | 8E |
| Code 527 | COMAND APS (with navigation) | 8H |
| Code 527 | COMAND APS (with navigation) | 24K |
| Code 528 | HIGH Class USA | 8H |
| Code 810 | Sound system | 1A |
| H4/3 | Left rear door speaker | 3H |
| H4/3 | Left rear door speaker | 6J |
| H4/4 | Right rear door speaker | 3J |
| H4/4 | Right rear door speaker | 6J |
| H4/5 | Left front door speaker | 3J |
| H4/5 | Left front door speaker | 6K |
| H4/6 | Right front door speaker | 3J |
| H4/6 | Right front door speaker | 6K |
| H4/27 | Center cockpit speaker (centerfill) | 3J |
| H4/29 | Subwoofer | 3B |
| H4/33 | Left front door tweeter | 3K |
| H4/33 | Left front door tweeter | 6K |
| H4/34 | Right front door tweeter | 3K |
| H4/34 | Right front door tweeter | 6K |
| H4/35 | Left rear door tweeter | 3K |
| H4/35 | Left rear door tweeter | 6L |
| H4/36 | Right rear door tweeter | 3K |
| H4/36 | Right rear door tweeter | 6L |
| H4/54 | Left rear surround speaker | 3L |
| H4/57 | Right rear surround speaker | 3L |
| N40/3 | Amplifier for sound system | 3F |
| N40/9 | Subwoofer amplifier | 3C |
| N73 | EIS [EZS] control unit | 15E |
| N80 | Steering column module | 20H |
| S110 | Left multifunction steering wheel button group | 24G |
| S110s1 | Scroll forward/back button | 24J |
| S110s3 | System selection button | 24K |
| S111 | Right multifunction steering wheel button group | 25G |
| S111s3 | Accept/terminate phone call button | 25J |
| S111s4 | VCS [SBS] on button | 25L |
| U500 | Not valid for Sound System | 5J |
| CAN B | Interior CAN | 13F |
| CAN B | Interior CAN | 13H |
| CAN C | Engine compartment CAN | 18H |
| LIN E1 | Steering LIN | 23H |
| MOST | Media Oriented System Transport | 6F |
| MOST | Media Oriented System Transport | 6G |
| 1 | Telephone, signal | 18D |
| 1 | Telephone, signal | 28F |
| 1 | Telephone, signal | 29H |
| 1 | Telephone, signal | 30H |
| 1 | Telephone, signal | 31G |
| 2 | Bluetooth, signal | 24D |
| 3 | Voice output, signal | 4B |
| 3 | Voice output, signal | 4E |
| 3 | Voice output, signal | 4H |
| 3 | Voice output, signal | 7H |
| 4 | Sound system amplifier, actuation | 5E |
| 5 | Multifunction steering wheel button group, signal | 12H |
| 5 | Multifunction steering wheel button group, signal | 17H |
| 5 | Multifunction steering wheel button group, signal | 22H |
| 5 | Multifunction steering wheel button group, signal | 24J |
| 5 | Multifunction steering wheel button group, signal | 25J |
| 6 | Circuit 15R, status | 12F |
| 7 | Instrument cluster, message | 14H |
| 8 | Voice input, signal | 12D |
| 9 | Kilometer reading and maintenance computer information, signal | 12H |