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Wiring diagram, fuel injection and ignition system ME-SFI - PE07.61-P-2000-97SAO

ENGINE 275 in MODEL 221.1 Exhaust system 

Code: Designation: Position:
A0 Color code key 32L
B4/3 Fuel tank pressure sensor 23L
B4/7 Fuel pressure sensor 29L
B4/7 Fuel pressure sensor 27L
G3/3 Left O2 sensor upstream of TWC [KAT] 5L
G3/3x1 Left O2 sensor upstream of TWC [KAT] connector 4J
G3/4 Right O2 sensor upstream of TWC [KAT] 3L
G3/4x1 Right O2 sensor upstream of TWC [KAT] connector 1J
G3/5 Left O2 sensor downstream of TWC [KAT] 9L
G3/5x1 Left O2 sensor downstream of TWC [KAT] connector 8J
G3/6 Right O2 sensor downstream of TWC [KAT] 11L
G3/6x1 Right O2 sensor downstream of TWC [KAT] connector 10J
N10/1 Front SAM control unit with fuse and relay module 15L
N3/10 ME-SFI [ME] control unit 4A
N3/10 ME-SFI [ME] control unit 12A
N3/10 ME-SFI [ME] control unit 20A
N3/10 ME-SFI [ME] control unit 27A
U1 Valid for {{USA}} 18D
U2 Valid for all except{{USA}} 28D
U32 Valid for {{Kanada}} 18D
U943 Valid for South Korea 18D
U966 Valid for engine 275.953 24E
U966 Valid for engine 275.953 20E
U967 Valid for engine 275.982 25E
U967 Valid for engine 275.982 21E
U967 Valid for engine 275.982 28D
Y32 Air pump switchover valve 7L
Y58/1 Purge control valve 13L
Y58/4 Activated charcoal filter shutoff valve 19L
Z5 Connector sleeve (solder connector in harness) 2G
Z6/4 Ground connector sleeve (sensor downstream of TWC) 12E
Z7/39 Circuit 87 M2i connector sleeve 3G
Z7/42 Sensor ground connector sleeve 25F
Z7/45 Voltage supply connector sleeve 22F
Z7/5 Circuit 87 connector sleeve 15G
Z7/5 Circuit 87 connector sleeve 10E
Fig 1: Fuel Injection And Ignition System ME-SFI, Exhaust System - Wiring Diagram (1 Of 2)
G07649589Courtesy of MERCEDES-BENZ USA
Fig 2: Fuel Injection And Ignition System ME-SFI, Exhaust System - Wiring Diagram (2 Of 2)
G07649590Courtesy of MERCEDES-BENZ USA