Electrical function schematic for compass calibration - PE54.50-U-2051-99RAA

Code:	Designation:	Position:
1	Electronic compass, signal	3 F
2	Multifunction steering wheel button group, signal	4 D
2	Multifunction steering wheel button group, signal	8 E
2	Multifunction steering wheel button group, signal	10 D
2	Multifunction steering wheel button group, signal	12 D
A1	Instrument cluster	2 D
B26	Electronic compass	2 J
CAN B	Interior CAN	2 G
CAN C	Engine compartment CAN	4 E
LIN E1	Steering LIN	9 E
N80	Steering column module	7 D
S110	Left multifunction steering wheel pushbutton group	10 D
S110s1	Scroll forward/back pushbutton	10 C
S110s3	System selection pushbutton	10 C
S111	Right multifunction steering wheel pushbutton group	12 D
S111s1	Pushbutton + and -, setting of specific functions and volume control	12 C

Fig 1: Compass Calibration Electrical Function Schematic

Courtesy of MERCEDES-BENZ USA