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Electrical function diagram for Mercedes-Benz Contact, function - PE82.70-P-2061-97MAA

Code: Designation: Position:
1 Telephone, signal 18D
1 Telephone, signal 29H
1 Telephone, signal 30H
1 Telephone, signal 31F
1 Telephone, signal 28F
2 Bluetooth, signal 24D
3 Voice output, signal 4H
3 Voice output, signal 7H
3 Voice output, signal 4E
3 Voice output, signal 4B
4 Sound system amplifier, actuation 5E
5 Multifunction steering wheel button group, signal 25J
5 Multifunction steering wheel button group, signal 22H
5 Multifunction steering wheel button group, signal 24J
5 Multifunction steering wheel button group, signal 12G
5 Multifunction steering wheel button group, signal 17G
6 Circuit 15R, status 12E
7 Instrument cluster, message  
8 Voice input, signal 12D
9 Kilometer reading and maintenance computer information, signal 14G
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
A28/3 E-net compensator 28G
A34/15 UHI portable CTEL holder (Universal Handy Interface) 27D
A34/7 Bluetooth module 27E
A40/3 COMAND operating, display and control unit 10H
A67b1 Hands-free system microphone group 15C
A8/1 Transmitter key 16F
CAN B Interior CAN 13E
CAN B Interior CAN 13H
CAN C Engine compartment CAN 18H
Code 228 Stationary heater 27C
Code 386 Mobile phone preinstallation with universal interface 30C
Code 389 Mobile phone preinstallation with universal interface, USA/Canada 27C
Code 510 Audio 20 with CD changer 9B
Code 511 Audio 50 APS incl. DVD changer 9E
Code 511 Audio 50 APS incl. DVD changer 25K
Code 512 COMAND APS with DVD changer 9H
Code 512 COMAND APS with DVD changer 25K
Code 523 Audio 20 radio 9B
Code 525 Audio 50 APS radio (CD) 9E
Code 527 COMAND APS (with navigation) 9H
Code 527 COMAND APS (with navigation) 25K
Code 528 HIGH Class USA 9H
Code 810 Sound system 2A
H4/27 Center cockpit speaker (centerfill) 3J
H4/29 Subwoofer 3B
H4/3 Left rear door speaker 3H
H4/3 Left rear door speaker 6J
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
H4/4 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
H4/54 Left rear surround speaker 3L
H4/57 Right rear surround speaker 3L
H4/6 Right front door speaker 3J
H4/6 Right front door speaker 6K
LIN E1 Steering LIN 23H
MOST Media Oriented System Transport 7E
MOST Media Oriented System Transport 7F
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
Fig 1: Mercedes-Benz Contact Electrical Function Diagram (1 Of 2)
G10118674Courtesy of MERCEDES-BENZ USA
Fig 2: Mercedes-Benz Contact Electrical Function Diagram (2 Of 2)
G10118675Courtesy of MERCEDES-BENZ USA