Electrical function schematic for radio 20 ECE, telephony - PE82.60-P-2054-99FAA
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Mercedes-Benz C63, 2011 Mercedes-Benz C350, 2010 Mercedes-Benz C63, 2010 Mercedes-Benz C350, and 2009 Mercedes-Benz C63. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 204 with CODE (523) MB Audio 20 radio
with CODE (386) Preinstallation for telephone "Handy", UPCI system
except CODE (494) USA version up to model year 08 /YoM 07
| Code: | Designation: | Position: |
|---|---|---|
| 1 | Circuit 15, status | 8E |
| 2 | Switch-on request, signal | 6C |
| 3 | Audio/COMAND display, signal | 5C |
| 4 | Multifunction steering wheel button group, signal | 8E |
| 4 | Multifunction steering wheel button group, signal | 13G |
| 4 | Multifunction steering wheel button group, signal | 14K |
| 5 | Voice input, signal | 4F |
| 6 | Instrument cluster, message | 11E |
| 7 | Telephone, signal | 13B |
| 8 | Voice output, signal | 6H |
| 9 | Mobile phone switch-on request, signal | 11C |
| 10 | Audio/COMAND controller, request | 4E |
| 11 | Bluetooth, signal | 7E |
| 11 | Bluetooth, signal | 10B |
| A1 | Instrument cluster | 13E |
| A2 | Radio | 6E |
| A2/91 | Bluetooth antenna | 8B |
| A28/11 | Multifunction antenna | 15B |
| A34/15 | Mobile phone holder | 11C |
| A40/8 | Audio/COMAND display | 5A |
| A40/9 | Audio/COMAND control panel | 2A |
| A8/1 | Transmitter key | 10L |
| B25/7 | Voice control system microphone | 1G |
| CAN A | Telematics CAN | 2D |
| CAN A | Telematics CAN | 5D |
| CAN B | Interior CAN | 9F |
| CAN E | Chassis CAN | 12H |
| H4/1h1 | Left front door tweeter | 6J |
| H4/1h2 | Left front door bass speaker | 6J |
| H4/27 | Center instrument panel speaker | 6L |
| H4/2h1 | Right front door tweeter | 6J |
| H4/2h2 | Right front door bass speaker | 6K |
| H4/3 | Left rear door speaker | 6K |
| H4/4 | Right rear door speaker | 6K |
| LIN E1 | Steering LIN | 14K |
| N73 | Electronic ignition switch control unit | 9J |
| N80 | Steering column module control unit | 13J |
| S110 | Left multifunction steering wheel button group | 16J |
| S111 | Right multifunction steering wheel button group | 17J |