Wiring diagram of auxiliary instruments - PE54.30-P-2003-97MCU

Code:	Designation:	Position:
A15	Additional instruments	11A
A15	Additional instruments	6A
A15	Additional instruments	3A
A15p3	Clock
A15p4	Tachometer
A15p5	Display
A15x1	Additional instruments connector	1D
A15x2	Additional instruments connector	10D
A34/7	Bluetooth module	11L
N10/10	SAM control unit	5L
N10/10f12	Fuse 12	2L
U31	Valid on vehicles with Bluetooth with display	9A
U32	Not valid on vehicles with Bluetooth with display	5A
W9	Ground (left front, at lamp unit)	3G
Z45	ATA [EDW] sensor supply circuit 30 connector sleeve	2G
Z78	Cockpit LIN connector sleeve	4G

Fig 1: Auxiliary Instruments - Wiring Diagram

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.