Electrical function schematic for telephone operation, function - PE82.70-U-2062-99MAA

Code:	Designation:	Position:
1	Telephone, signal	14 E
2	Bluetooth, signal	17 E
3	Voice output, signal	4 H
3	Voice output, signal	4 E
3	Voice output, signal	4 B
3	Voice output, signal	7 H
4	Sound system amplifier, actuation	6 E
4	Sound system amplifier, actuation	8 F
5	Circuit 15R, status	13 G
A2/91	Bluetooth antenna	15 E
A34/15	UHI portable CTEL holder (Universal Handy Interface)	19 E
A34/7	Bluetooth module	19 F
A40/3	COMAND operating, display and control module	11 E
A8/1	Transmitter key	17 H
CAN B	Interior CAN	14 H
Code 386	Mobile phone preinstallation with universal interface	19 C
Code 389	Mobile phone preinstallation with universal interface, USA/Canada	19 D
Code 527	COMAND APS (with navigation)	9 E
Code 528	HIGH Class USA	9 F
Code 528	HIGH Class USA	9 E
Code 810	Sound system	1 A
H4/27	Center cockpit speaker (Centerfill)	3 J
H4/29	Subwoofer loudspeaker	3 B
H4/3	Left rear door speaker	3 H
H4/3	Left rear door speaker	7 J
H4/33	Left front door tweeter	3 K
H4/33	Left front door tweeter	7 K
H4/34	Right front door tweeter	3 K
H4/34	Right front door tweeter	7 L
H4/35	Left rear door tweeter	3 K
H4/35	Left rear door tweeter	7 L
H4/36	Right rear door tweeter	3 L
H4/36	Right rear door tweeter	7 L
H4/4	Right rear door speaker	3 J
H4/4	Right rear door speaker	7 J
H4/5	Left front door speaker	3 J
H4/5	Left front door speaker	7 K
H4/54	Left rear surround loudspeaker	3 L
H4/57	Right rear surround loudspeaker	3 L
H4/6	Right front door speaker	3 J
H4/6	Right front door speaker	7 K
MOST	Media Oriented System Transport	7 G
MOST	Media Oriented System Transport	7 F
N40/3	Amplifier for Sound System	3 F
N40/9	Subwoofer amplifier	3 C
N73	EIS [EZS] control unit	16 G
U500	Not valid for Sound System	6 J

Fig 1: Telephone Operation Electrical Function Schematic (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Telephone Operation Electrical Function Schematic (2 Of 2)

Courtesy of MERCEDES-BENZ USA