ENGINE PERFORMANCE – Mercedes-Benz ML550 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L TWIN TURBO

4.6L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz ML550 2012:

• +5v
• 25/2-c1
• A-a-sam
• Aav
• Accelerator pedal sensor (at top of accelerator pedal)
• Activated charcoal canister shutoff valve (right rear wheelwell)
• Battery compartment prefuse box (under right front seat)
• Can c h
• Can c l
• Can e1 h
• Can e1 l
• Circuit 87 relay
• Computer data lines system
• Coolant run-on pump
• Coolant run-on pump relay
• Cooling fans system
• Crash
• E-a-dst
• Early production
• Ekpr
• Engine compartment fuse & relay module (right side of engine compt)
• Fuel tank pressure sensor (top of fuel tank)
• Function
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 7.5a
• High/low temperature circuit switchover valve (front center of engine compt)
• Hot at all times
• Late production
• Llkr
• Lpv
• Lues
• Me-sfi (me) control module (top center of engine)
• Mr2
• Pnk
• Purge control valve (left front of engine compt)
• S13
• Sewf 3
• Sig-htk/ntk
• Sp1s
• Sp2s
• Starting/ charging system
• Starting/charging system
• Str
• Str+
• W/ eco start/stop
• W2 (behind right headlight)
• W52/11 (right rear of eng compt)
• W52/11 (right rear of engine compt)
• X18/3-c2
• X192/1
• X25/2
• X25/2-c2
• X26-c1

4.6L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz ML550 2012:

• (+)
• (-)
• (if equipped) fuel quality sensor
• Can c h
• Can c l
• Computer data lines system
• Cross)
• Ekp
• Ekp-ec-u
• Ekp-ec-v
• Ekp-ec-w
• Ekp-sh
• Fos sig
• Fuel pressure sensor (front of left fuel rail)
• Fuel pump control unit (under right seat of 2nd seat row)
• Fuse 25a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Kds sig
• Knock sensor 1
• Knock sensor 2
• Knock sensor 3
• Knock sensor 4
• Left fuel tank fuel level indicator fill level sensor
• Rear fuse box
• Red
• Right fuel tank fuel level indicator fill level sensor
• S13
• Sam control unit
• Uh2
• W17/6 (right side of rear seat
• W17/6 (right side of rear seat cross member)
• X18/3-c1
• X18/3-c2
• X25/2-c1
• X26-c4
• X26-c5

4.6L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz ML550 2012:

• (+)
• (-)
• (bottom front of engine) engine oil pump valve
• (in engine oil pan) oil level check switch
• (rear of engine) heating system shutoff valve
• Cooling fans system
• Dss
• Ev5
• Inj h
• Inj l
• Ks1a
• Ks1b
• Ks2a
• Ks2b
• Ks3a
• Ks3b
• Ks4a
• Ks4b
• Kwg
• Left catalytic converter oxygen sensor upstream
• Lh1vk
• Lin c1
• Lsh2hk
• Lsh2vk
• Lsu1ip
• Lsu1vm
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control module (top center of engine)
• Nca
• Nwga1
• Nwga2
• Nwge1
• Nwse1
• Oilp
• Pnk
• Right catalytic converter oxygen sensor upstream
• Senm3
• Starting/ charging system
• Tansv
• Tks
• Tmot

4.6L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz ML550 2012:

• Air filter pressure sensor downstream
• Camshaft hall sensor
• Charge air temperature sensor (right front of engine)
• Cylinder ignition coils 1, 2, 3 & 4 (top of right cylinder bank)
• Left air filter pressure sensor downstream
• Left exhaust camshaft hall sensor (right front of engine)
• Left intake camshaft hall sensor (left front of engine)
• Left o2 sensor downstream (left of transmission)
• Nca
• Pnk
• Right o2 sensor downstream (right of transmission)
• Spark plugs
• Throttle valve pressure sensor downstream
• Upstream throttle valve pressure sensor
• W11 (right front of eng compt)
• X26-c3
• X26-c8

4.6L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz ML550 2012:

• (right front of eng compt) w11
• (right rear of engine) left quantity control valve
• (right rear of engine) right quantity control valve
• Coolant thermostat heating element
• Cylinder ignition coils 5, 6, 7 & 8 (top of left cylinder bank)
• Fuel tank pressure & temperature sensor (in fuel tank)
• Pnk
• Right exhaust camshaft hall sensor (right front of engine)
• Right intake camshaft hall sensor
• Right intake camshaft solenoid
• Spark plugs

4.6L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz ML550 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz ML550 2012:

• (+)
• (-)
• +5v
• Boost pressure positioner
• Dcm
• Dcpm-
• Dshkhp1
• Dslf1
• Dslf2
• Dsll
• Fuel injector cylinder 1
• Fuel injector cylinder 2
• Fuel injector cylinder 3
• Fuel injector cylinder 4
• Fuel injector cylinder 5
• Fuel injector cylinder 6
• Fuel injector cylinder 7
• Fuel injector cylinder 8
• Hav
• Inj h
• Inj l
• Ip1s
• Kwths
• Left camshaft exhaust solenoid (left front of engine)
• Left intake camshaft solenoid
• Ls2hks
• Lsh1hk
• Lsh1hks
• Me-sfi (me) control module (top center of engine)
• Nwsa1
• Nwsa2
• Nwse2
• P1s
• Pnk
• Pnk/red
• Right camshaft exhaust solenoid (right front of engine)
• Sig
• Throttle valve actuator (on throttle body)
• X26-c3
• Zue1
• Zue2
• Zue3
• Zue4
• Zue5
• Zue6
• Zue7
• Zue8