Electrical function schematic for AUDIO 20 with changer, telephone mode - PE82.60-P-2056-97FAA

Code:	Designation:	Position:
1	Circuit 15, status	8E
10	Instrument cluster, message	12E
11	Mobile phone switch-on request, signal	12C
12	Audio/COMAND controller, request	5E
13	Bluetooth, signal	7D
13	Bluetooth, signal	11B
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	14K
4	Multifunction steering wheel button group, signal	14G
5	Voice input, signal	5F
6	Vehicle interior noise level, signal	5K
7	Sound system amplifier, actuation	7J
8	Telephone, signal	14B
9	Voice output, signal	5G
9	Voice output, signal	7H
A1	Instrument cluster	13E
A2	Radio	6E
A2/91	Bluetooth antenna	8B
A28/11	Multifunction antenna	19B
A34/15	Mobile phone holder	12C
A40/8	Audio/COMAND display	6A
A40/9	Audio/COMAND control panel	3A
A8/1	Transmitter key	10L
B25/6	Sound system microphone	3L
B25/7	Voice control system microphone	1F
CAN A	Telematics CAN	3D
CAN A	Telematics CAN	6D
CAN B	Interior CAN	10F
CAN E	Chassis CAN	13H
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	4J
H4/4	Right rear door speaker	4J
H4/54	Left rear surround speaker	4K
H4/57	Right rear surround speaker	4K
LIN E1	Steering LIN	15K
MOST	Media Oriented System Transport	6H
N40/3	Sound system amplifier control unit	6J
N73	Electronic ignition switch control unit	9J
N80	Steering column module control unit	13J
N96	Frequency switchover control unit	16A
S110	Left multifunction steering wheel button group	16J
S111	Right multifunction steering wheel button group	17J

Fig 1: Audio 20 With Changer Electrical Function Schematic (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Audio 20 With Changer Electrical Function Schematic (2 Of 2)

Courtesy of MERCEDES-BENZ USA