PE82.70-P-2061-60FA | Legend of electrical function schematic for Mercedes-Benz Contact, function | Model 203.7 as of 1.9.08 with CODE (523) MB Audio 20 radio Model 203.7 as of 1.9.08 with CODE (510) Audio 20 with CD changer Model 203.7 as of 1.9.08 with CODE (525) MB Audio 50 APS radio Model 203.7 as of 1.9.08 with CODE (527) COMAND APS with single DVD drive (with navigation) Model 203.7 as of 1.9.08 with CODE (386) Mobile phone |
Code | Designation | Coordinates |
A1 | Instrument cluster | 18H |
A2 | Radio | 11B |
A2/49a1 | Telephone antenna | 29D |
A2/53 | Telephone/portable CTEL/STH radio remote control antenna splitter | 26D |
A2/56 | Radio and navigation unit | 11E |
A2/91 | Bluetooth antenna | 15E |
A8/1 | Transmitter key | 3B |
A28/3 | E-net compensator | 23C |
A34/7 | Bluetooth module | 19D |
A34/15 | UHI portable CTEL holder (Universal Handy Interface) | 19D |
A40/3 | COMAND operating, display and controller unit | 10G |
A67b1 | Hands-free system microphone group | 15C |
Code 228 | Stationary heater | 25C |
Code 386 | Mobile phone preinstallation with universal interface | 18C |
Code 510 | Audio 20 with CD changer | 9B |
Code 523 | Audio 20 radio | 9B |
Code 525 | Audio 50 APSradio (CD) | 9D |
Code 527 | COMAND APS | 5H |
Code 527 | COMAND APS | 9G |
Code 810 | Sound system | 24E |
H4/1 | Left front door speaker | 23K |
H4/1 | Left front door speaker | 25J |
H4/2 | Right front door speaker | 23K |
H4/2 | Right front door speaker | 25J |
H4/5 | Left rear door speaker | 23K |
H4/5 | Left rear door speaker | 25J |
H4/6 | Right rear door speaker | 23K |
H4/6 | Right rear door speaker | 25J |
H4/23 | Left front door mirror triangle speaker | 23L |
H4/23 | Left front door mirror triangle speaker | 25K |
H4/24 | Right front door mirror triangle speaker | 23L |
H4/24 | Right front door mirror triangle speaker | 25K |
H4/27 | Center cockpit speaker (centerfill) | 25K |
H4/29 | Subwoofer | 25K |
H4/54 | Left rear surround speaker | 25L |
H4/57 | Right rear surround speaker | 25L |
N40/3 | Amplifier for sound system | 25F |
N73 | EIS [EZS] control unit | 2A |
N80 | Steering column module | 3D |
S93/2 | VCS switch | 6H |
S110 | Left multifunction steering wheel button group | 1K |
S110s1 | Scroll forward/back button | 2L |
S110s3 | System selection button | 2L |
S111 | Right multifunction steering wheel button group | 3K |
S111s3 | Accept/terminate phone call button | 3L |
U500 | Not valid for Sound System | 22J |
CAN B | Interior CAN | 6B |
CAN B | Interior CAN | 6E |
CAN B | Interior CAN | 15J |
LIN E1 | Steering LIN | 2H |
MOST | Media Oriented System Transport | 15F |
MOST | Media Oriented System Transport | 15G |
MOST | Media Oriented System Transport | 22F |
MOST | Media Oriented System Transport | 22G |
1 | Telephone, signal | 14D |
1 | Telephone, signal | 21D |
1 | Telephone, signal | 25D |
1 | Telephone, signal | 28D |
2 | Bluetooth, signal | 17D |
3 | Voice output, signal | 23J |
3 | Voice output, signal | 26H |
4 | Sound system amplifier, actuation | 23F |
5 | Multifunction steering wheel button group, signal | 1K |
5 | Multifunction steering wheel button group, signal | 2F |
5 | Multifunction steering wheel button group, signal | 3K |
5 | Multifunction steering wheel button group, signal | 8E |
6 | Circuit 15R, status | 8B |
7 | Instrument cluster, message | 16J |
8 | Voice input, signal | 13B |
9 | Kilometer reading and maintenance computer information, signal | 13J |
10 | VCS switch, signal | 4F |
10 | VCS switch, signal | 8E |