ENGINE PERFORMANCE – Mercedes-Benz ML550 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.5L

5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz ML550 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz ML550 2008:

• (in right rear wheelwell)
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve
• Air pump relay
• Akf
• Can-c h
• Can-c l
• Computer data lines system
• Electric suction fan engine & a/c w/ integrated control (center front of engine compt)
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Fuel pump module relay
• Fuel tank pressure sensor (inside fuel tank)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ starter relay energized
• Kpr
• Load compartment fuse & relay box (right side of cargo area)
• Lues
• Me-sfi control module (center rear of engine)
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Purge control valve (left side of engine compt)
• Restraints system control module
• Slp
• Sp1m
• Sp1s
• Sp2m
• Sp2s
• Starting/charging system
• Usp1
• W16/3 (left rear of engine compt)

5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz ML550 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz ML550 2008:

• (+)
• (-)
• (front of engine) (w/ wiring harness wiring harness installed but nonfuntional) three disk thermostat valve
• (front of intake manifold)
• (left rear of engine) w11w2
• (ml-class: under intake manifold) (gl-class: top center of engine)
• (not used)
• (on power steering pump) power steering pump pressure regulator valve
• Air pump (top front of engine)
• Can-d h
• Can-d l
• Computer data lines system
• Ev 7
• Fuel pressure sensor
• Fuel pump control module
• Fuse 20a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Intake manifold tumble flap switchover valve
• Kw out
• Left knock sensor 2
• Load compartment fuse & relay box (right side of cargo area)
• Me-sfi control module (center rear of engine)
• Nca
• Red
• Right fuel pump (in right side of fuel tank)
• Right knock sensor 1
• Variable intake manifold switchover valve
• W17 (under right rear seat)
• W17 (under right seat of 2nd row)
• X26

5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz ML550 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz ML550 2008:

• (in left exhaust, before twc) left o2 sensor downstream twc (kat)
• (right front of oil pan) oil level switch
• (top left rear of engine) heating system shutoff valve
• (top right front of engine) air pump switchover valve
• Crankshaft hall sensor (left rear of engine)
• Hot film maf sensor (center rear of engine)
• In left exhaust, before twc) left o2 sensor upstream twc (kat)
• In right exhaust, before twc) right o2 sensor downstream twc (kat)
• In right exhaust, before twc) right o2 sensor upstream twc (kat)
• Left exhaust camshaft hall sensor (left front of engine)
• Left intake camshaft hall sensor (left front of engine)
• Left intake manifold tumble flap position sensor (left rear rear of engine)
• Nca
• Pressure sensor (top left side of engine)
• Red
• Right intake manifold tumble flap position sensor right rear of engine)
• Throttle valve actuator (on throttle body)

5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz ML550 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz ML550 2008:

• (left front of engine) left camshaft exhaust solenoid
• (rear of left cylinder bank) coolant temperature sensor
• Ignition coils (gl-class: 5, 6, 7 & 8: top of left cylinder bank)
• Radio interference suppression capacitor 2 (top left side of engine)
• Red
• Spark plugs
• W11w1 (right rear of engine)

5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz ML550 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz ML550 2008:

• (1, 2, 3: on right cylinder bank, above respective cylinder) (4, 5, 6: on left cylinder bank, above respective cylinder) fuel injectors
• (front of right cylinder bank)
• (right front of engine) right exhaust camshaft hall sensor
• (right front of engine) right intake camshaft hall sensor
• Ev 1
• Ev 3
• Ev 4
• Ev 5
• Ev 8
• Ignition coils (1, 2, 3, 4: top of right cylinder bank)
• Left camshaft intake solenoid (front of left cylinder bank)
• Me-sfi control module (center rear of engine)
• Radio interference suppression capacitor 1 (top right side of engine)
• Red
• Right camshaft exhaust solenoid
• Right camshaft intake solenoid
• Spark plugs
• Starting/charging system
• W11w2 (left rear of engine)