ENGINE PERFORMANCE – Mercedes-Benz E320 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.2L

3.2L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz E320 2005

List of elements for 3.2L, Engine Performance Wiring Diagram (1 of 3) for Mercedes-Benz E320 2005:

• (if equipped)
• (left rear of engine compartment)
• Computer data lines system
• Cooling fans system
• Data link connector (lower left side of dash)
• Engine control module (me-sfi) (left rear of engine compartment)
• Fuse 7.5a
• Hot at all times
• Interior fuse box (left end of dash)
• Kickdown switch function may be replaced by accelerator pedal sensor
• Left oxygen sensor 1 (before twc) (behind left front wheel)
• Left oxygen sensor 2 (after twc) (behind left front wheel)
• Nca
• Pedal value sensor (left rear of engine compt)
• Purge control valve (left front of engine compt)
• Right oxygen sensor 1 (before twc) (behind right front wheel)
• Right oxygen sensor 2 (after twc) (behind right front wheel)
• Starting/ charging system
• Starting/charging system
• W15/3

3.2L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz E320 2005

List of elements for 3.2L, Engine Performance Wiring Diagram (2 of 3) for Mercedes-Benz E320 2005:

• (front end of eng) variable intake manifold switchover valve
• (left front footwell) w15/2
• (right front of eng compt) air pump switchover valve
• (right side of eng) egr pressure transducer
• Activated charcoal filter shutoff valve (right rear wheelhouse)
• Air pump relay
• Camshaft hall-effect sensor (right rear of eng)
• Circuit relay engine
• Crankshaft sensor (under vehicle, near crankshaft)
• Driver side sam control module with fuse & relay module (left rear of eng compt)
• Electric air pump (right front of eng compt)
• Fuel pump (under left rear in fuel tank)
• Fuel pump relay module
• Fuel tank pressure sensor (in fuel tank, under left
• Fuse 15a
• Fuse 25a
• Fuse 40a
• Hot at all times
• Hot film maf sensor (left rear of eng compt)
• Kickdown switch (left front footwell)
• Pnk
• Rear sam control module with fuse & relay module (left side of trunk)
• Rear seat)
• Throttle valve actuator (center rear of eng)
• W11/3 (top of cyl head, between cyl 6 & 7)
• W15/2 (left front footwell)
• W6 (left rear wheelhousing)

3.2L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz E320 2005

List of elements for 3.2L, Engine Performance Wiring Diagram (3 of 3) for Mercedes-Benz E320 2005:

• (bottom right side of engine) oil sensor
• (right front of eng compt) ect sensor
• (right front of eng compt) pressure sensor
• Driver side sam control module with fuse & relay module (left rear of eng compt)
• Engine control module (me-sfi) (left rear of eng compt)
• Fuel injectors
• Fuse 15a
• Hot in run or start
• Ign coil
• Ign coil coil
• Left knock sensor 2 (in valley of engine block)
• Pnk
• Radio interference suppression capacitor
• Right knock sensor 1 (in valley of engine block)
• Shield
• To spark plugs
• W11/3 (front center of eng)

3.2L TURBO DIESEL

3.2L Turbo Diesel, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz E320 2005

List of elements for 3.2L Turbo Diesel, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz E320 2005:

• (right front of engine compartment) fuel temperature sensor
• 41-48
• 68-71
• 87 02
• A ldr
• A_kts
• Camshaft hall sensor (right rear of engine)
• Cdi control module (left rear of engine comptment)
• E p3
• E tmot
• Et-1
• E_fgra
• E_fgrm
• E_fgrp
• E_knd
• Ffwls
• Fuel injectors
• Hfm-
• Hfm2
• Hot film maf sensor (right front of engine compartment)
• Idf
• Idf+
• Inj
• Inj h
• Inj l
• Intake air temperature sensor
• M p3
• Not used
• Nw+
• Nw-
• Nws
• Oel-
• P1+
• P1-
• Poti -
• Poti sig
• Quantity control valve (right front of engine compartment)
• Rdr+
• Rdr-
• Red
• Tans
• Tans+
• Ths
• Tmot+
• Tmot-

3.2L Turbo Diesel, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz E320 2005

List of elements for 3.2L Turbo Diesel, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz E320 2005:

• Charge air temperature sensor (left side of engine compartment)
• Charge pressure sensor (left side of engine)
• Coolant temperature sensor
• Fuel filter water level sensor (left side of engine)
• Nca
• O2 sensor upstream twc (kat) (behind turbocharger)
• Oil sensor (level, temperature, quality) (bottom right side of engine)
• Pressure regulator valve (rear of engine compartment)
• Pressure sensor (down stream of air filter) (right front of engine compartment)
• Red
• Vent line heater element (right front of engine compartment)

3.2L Turbo Diesel, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz E320 2005

List of elements for 3.2L Turbo Diesel, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz E320 2005:

• "check engine" mil ind
• (front center of engine compartment) engine & a/c electric suction fan with integrated control
• (front of crankshaft)
• (top right front of engine) glow time output stage
• (under rear seat, in fuel tank) fuel pump (fp)
• (under rear seat, in fuel tank) left fuel level sensor
• (under rear seat, in fuel tank) right fuel level sensor
• Can-c h
• Can-c l
• Computer data lines system
• Crankshaft position sensor
• Cylinder 1 glow plug (on cylinder head below rail)
• Cylinder 2 glow plug (on cylinder head below rail)
• Cylinder 3 glow plug (on cylinder head below rail)
• Cylinder 4 glow plug (on cylinder head below rail)
• Cylinder 5 glow plug (on cylinder head below rail)
• Cylinder 6 glow plug (on cylinder head below rail)
• Front pre- fuse (right front foot- well)
• Fuse 150a
• Hot at all times
• Instrument cluster
• Nca
• Red
• Starting/ charging system
• W11
• W6 (left rear wheel housing)
• W9 (left head- lamp unit)
• X36/3
• Z7/39 (left rear engine compart, under fuse & relay box

3.2L Turbo Diesel, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz E320 2005

List of elements for 3.2L Turbo Diesel, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz E320 2005:

• (left
• (left rear of engine compart) z6/1
• (left rear of engine compt)
• (left rear of engine compt) w15/3
• (near rear of left front wheelhouse) z92
• (under
• 16-17
• 20-23
• 27-30
• 32-43
• 45-52
• 7-12
• 80-82
• 87a
• 87b
• 87c
• 94-96
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Can-c h
• Can-c l
• Cdi control module
• Chassis circuit relay
• Computer data lines system
• Cps
• Diag
• Driver side sam control module w/ fuse & relay module (left rear of engine compt)
• E ti 2
• Ec87rly
• Eka
• Engine circuit 87 relay
• Ffwls
• Fuse & relay box) z7/38
• Fuse 15a
• Fuse 25a
• Gzs
• Hfms
• Hot at all times
• Hot w/ circuit 15 relay energized
• Idf-
• Intake port shutoff motor (left rear of engine compartment)
• Intercooler circulation pump relay
• Kw+
• Kw-
• Left exhaust gas recirculation positioner
• M pwg2
• Not used
• Pnk/red
• Pwg+
• Pwg1
• Pwg1-0
• Pwg1-1
• Pwm
• Rail pressure sensor (left side of engine)
• Rcpp
• Rear eng cmpt) z3/4
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right charge pressure positioner
• Starter relay
• Starting/ charging system
• Tna
• Vlhe
• W15/3 (left rear of engine compt)
• X22/1
• Z3/4 (left rear of engine compt)