Electrical function diagram for fuel supply - PE47.00-U-2050-99FAA

Code:	Designation:	Position:
1	Fuel pump, request ON	5 E
2	Fuel pump, specified pressure request	4 E
3	Fuel pump control unit, status	4 D
B4/7	Fuel pressure sensor	3 J
CAN C	Drive train CAN	3 E
M3	Fuel pump (FP)	5 K
N118	Fuel pump control module	4 F
N3/10	ME-SFI [ME] control module	4 B

Fig 1: Fuel Supply Electrical Function Diagram

Courtesy of MERCEDES-BENZ USA