Electrical function schematic for COMAND audio - PE82.85-P-2054-97FAA
WARNING: This page is about a different car, the 2012 Mercedes-Benz C300, 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 8E |
| 10 | AM/FM antenna, signal | 8D |
| 11 | FM antenna, signal | 7D |
| 12 | Speaker, actuation | 5G |
| 13 | Instrument cluster, message | 15E |
| 14 | Audio/COMAND controller, request | 5E |
| 2 | Switch-on request, signal | 8K |
| 2 | Switch-on request, signal | 7J |
| 2 | Switch-on request, signal | 12J |
| 2 | Switch-on request, signal | 7C |
| 3 | Audio/COMAND display, signal | 6C |
| 4 | Multifunction steering wheel button group, signal | 8E |
| 4 | Multifunction steering wheel button group, signal | 18K |
| 4 | Multifunction steering wheel button group, signal | 17G |
| 5 | Voice input, signal | 5F |
| 6 | Vehicle interior noise level, signal | 5K |
| 7 | SDAR, communication | 7J |
| 7 | SDAR, communication | 12J |
| 7 | SDAR, communication | 8K |
| 8 | Sound system amplifier, actuation | 12H |
| 8 | Sound system amplifier, actuation | 9K |
| 9 | SDAR antenna, signal | 13K |
| A1 | Instrument cluster | 16D |
| A2/18 | FM, AM and CL [ZV] antenna amplifier | 10C |
| A2/19 | Rear window antenna FM antenna amplifier | 9B |
| A28/11 | Multifunction antenna | 14H |
| A40/3 | COMAND control unit | 6E |
| A40/8 | Audio/COMAND display | 6A |
| A40/9 | Audio/COMAND control panel | 3A |
| A8/1 | Transmitter key | 15D |
| B25/6 | Sound system microphone | 3L |
| B25/7 | Voice control system microphone | 1E |
| CAN A | Telematics CAN | |
| CAN A | Telematics CAN | |
| CAN B | Interior CAN | |
| CAN E | Chassis CAN | |
| H4/1h1 | Left front door tweeter | 4G |
| H4/1h2 | Left front door bass speaker | 4H |
| H4/27 | Center instrument panel speaker | 4J |
| H4/29 | Bass speaker | 4J |
| H4/2h1 | Right front door tweeter | 4H |
| H4/2h2 | Right front door bass speaker | 4H |
| H4/3 | Left rear door speaker | 4H |
| H4/4 | Right rear door speaker | 4J |
| H4/54 | Left rear surround speaker | 4J |
| H4/57 | Right rear surround speaker | 4K |
| LIN E1 | Steering LIN | |
| MOST | Media Oriented System Transport | |
| MOST | Media Oriented System Transport | |
| MOST | Media Oriented System Transport | |
| N40/3 | Sound system amplifier control unit | 6J |
| N73 | Electronic ignition switch control unit | 13B |
| N80 | Steering column module control unit | 16J |
| N87/5 | Satellite digital audio radio (SDAR) control unit | 11K |
| S110 | Left multifunction steering wheel button group | 20K |
| S110s4 | "Back" and voice control system OFF button | 20L |
| S111 | Right multifunction steering wheel button group | 21K |
| S111s4 | Voice control system ON button | 21L |