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Electrical function schematic for two-way radio hands-free system - PE82.25-P-2062-97FAA

MODEL 204.0 /2 with CODE (965) Electrical preinstallation, rental vehicles with CODE (938) Preinstallation for hands-free two-way radio as of model year 2009 /YoM 08 

Code: Designation: Position:
1 Circuit 15, status 5F
2 Two-way radio connection request 3G
3 Two-way radio connection signal 5J
4 Mute, signal 10D
4 Mute, signal 11J
4 Mute, signal 8G
5 Transmit/receive signal 5K
5 Transmit/receive signal 13K
6 Voice output, signal 11K
7 Voice input, signal 3K
8 Instrument cluster, request 7G
A1 Instrument cluster 9F
A2 Radio 7B
A2/56 Radio with auto pilot system 10B
A28/11 Multifunction antenna 13L
A40/3 COMAND control unit 13B
A49 Two-way radio 4K
A49/5 Radio data transmission two-way radio 4K
A8/1 Transmitter key 5C
B25/10 Taxi two-way radio microphone 2K
CAN B Interior CAN 6G
CAN B Interior CAN 9E
CAN B Interior CAN 4E
Code 510 Audio 20 with CD changer 6A
Code 511 Audio 50 APS incl. DVD changer 9A
Code 512 COMAND APS with DVD changer 12A
Code 523 Audio 20 Radio 6B
Code 525 Audio 50 APS Radio (CD) 9B
Code 527 COMAND APS 12B
Code 528 COMAND with DVD changer 12B
H6 Taxi two-way radio speaker 11K
N26/9 Special-purpose vehicle multifunction control unit 5F
N73 Electronic ignition switch control unit 4B
S93/2 Two-way radio switch 1G
Fig 1: Two-Way Radio Hands-Free System - Electrical Function Schematic
G07528916Courtesy of MERCEDES-BENZ USA