ENGINE PERFORMANCE – Mercedes-Benz ML450 4Matic 2011 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L HYBRID

3.5L Hybrid, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (behind right headlight) w2
• 5vg2f
• 5vsp1
• Aav
• Accelerator pedal sensor (at top of accelerator pedal)
• Agk2
• Air pump relay
• Akf
• C125
• Can-c h
• Can-c l
• Can-c1 h
• Can-c1 l
• Can-l h
• Can-l l
• Computer data lines system
• Cooling fans system
• Crash
• Dst
• Ekpr
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuel tank pressure & temperature sensor (top of fuel tank)
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 25a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Gnd
• Heater
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ starter relay energized
• Hybrid engine hood contact switch
• Kwr
• Low temperature circuit temperature sensor
• Lsh2hk
• Lshk
• Lues
• Me-sfi (me) control module (behind right front fender)
• Mhkkup1
• Mr1
• Mr2
• Mr3
• Mr4
• Nca
• Ntc
• Pnk
• Pump
• Radiator sensor for engine diagnosis
• Red
• Senf1
• Sig
• Slp
• Sp1
• Sp1s
• Sp2
• Sp2s
• Starter relay
• Tank leak diagnostic module
• Tank system shutoff valve
• Tev
• Tkkh
• Ubre
• Ubrm1
• Valve
• W16/4 (right rear engine compt)
• W2 (behind right headlight)
• X18/3-c2
• X25/2-c1
• X25/2-c2
• X26-c1

3.5L Hybrid, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (+)
• (-)
• (behind right headlight) w2
• (front of engine) air pump
• (front of left fuel rail) fuel pressure sensor
• Battery
• Battery sensor
• Can-b h
• Can-b l
• Can-c1 h
• Can-c1 l
• Check engine mil indicator
• Computer data lines system
• Electric suction fan engine & ac w/ integrated control (behind radiator)
• Engine compartment fuse & relay box 2
• Fuel pump control unit
• Fuse 20a
• Fuse 5a
• Fuse fa 7.5a
• Fuse fb 7.5a
• Fuse fc 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ engine circuit 87 relay energized
• Instrument cluster
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Pnk
• Pnk/red
• Power electronics circulation pump
• Power electronics circulation pump relay (left front of engine)
• Pump+
• Pump-
• Purge control valve (left front of engine compt)
• Red
• Right fuel pump (under right seat of 2nd seat row)
• Sig
• Vacuum pump relay (+) (left front of engine compt)
• W10 (under front passenger seat)
• W11 (right front of engine)
• W17/3 (under right rear seat)
• X18/3-c1
• X18/3-c4
• X25/2-c2
• X25/4-c2
• X26-c2

3.5L Hybrid, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (in transmission) transmission oil pump electric motor
• (left side of engine compt) power electronics control unit
• 30c
• Air conditioning system
• Can-c1 h
• Can-c1 l
• Can-l h
• Can-l l
• Com enable
• Command
• Computer data lines system
• Electric machine rotor position sensor 1 (in transmission)
• Electric machine rotor position sensor 2 (in transmission)
• Electrical machine 1
• Electrical machine 2
• Hvl
• Hvl out
• Hybrid accy
• Interlock circuit microswitch
• Kw sig
• Nca
• Pnk/red
• Red
• Res m1(+)
• Res m1(-)
• Res m2(+)
• Res m2(-)
• Res s1 m1
• Res s1 m2
• Res s2 m1
• Res s2 m2
• Res s3 m1
• Res s3 m2
• Res s4 m1
• Res s4 m2
• Temperature sensor 1
• Temperature sensor 2
• Tm gnd m1
• Tm gnd m2
• Tm m1
• Tm m2
• W16/4
• X22/6-c1
• X22/6-c2
• X25/2-c1

3.5L Hybrid, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (left rear of cargo area) high voltage battery coolant pump
• (left side of cargo area) w10/14
• (not used)
• (right front footwell) pyrotechnical separator
• 288v+
• 288v-
• 30c
• Air conditioning system
• Battery management system control unit
• Can-b h
• Can-b l
• Can-l h
• Can-l l
• Cells temperature sensor
• Chiller
• Circuit 31 right rear seat voltage distributor connector
• Command
• Computer data lines system
• Contactor
• Coolant inlet temperature sensor
• Coolant outlet temperature sensor
• Front sam control unit (under right front seat)
• Fuse 10a
• Fuse 5a
• Gp l1
• Gp l2
• Gp m
• High voltage battery cooling system two way valve (behind left front fender)
• High voltage battery module (front of cargo area)
• High- voltage battery
• Hot at all times
• Hs com enable
• Hvil out
• Hybrid accy
• Load compartment fuse & relay box (right rear of cargo area)
• Loop in
• M1 l1
• M1 l2
• M1 m
• Nca
• Pnk/red
• Power electronics control unit (left side of engine compt)
• Pwm
• Radiator
• Red
• Service disconnect switch
• Shield
• W17 (under right rear seat)
• W6 (behind trim, left rear of cargo area)
• X22/6-c2
• X25/2-c1

3.5L Hybrid, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (in transmission) hybrid vehicle fully integrated transmission control controller unit
• (right rear of cargo area) rear sam control module
• (right side of engine compt) dc/dc converter control unit
• (right side of engine compt) high voltage distribution module
• 288v+
• 288v-
• 300a
• Accy
• Air pump switchover valve (front of engine)
• Can-b h
• Can-b l
• Can-l h
• Can-l l
• Circuit 31 right rear seat voltage distributor connector
• Com enable
• Computer data lines system
• Dc/dc converter fuse
• Engine oil pump valve
• Fuel filler flap switch
• Fuel level sensors
• Hot at all times
• Hot film mass air flow sensor (center rear of engine)
• Left
• Left intake manifold tumble flap position sensor
• Left knock sensor 2 (under intake manifold)
• Nca
• Pnk/red
• Red
• Right
• Right intake manifold tumble flap position sensor
• Right knock sensor 1 (under intake manifold)
• Shield
• Tg+l
• Tg+r
• Tg-
• Three-disk thermostat valve (front of engine)
• Throttle valve actuator (on throttle body)
• W17 (under right rear seat)
• W17/3 (under right rear seat)
• W6 (behind trim, left rear of cargo area)
• X18/3-c1
• X25/4

3.5L Hybrid, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (left of transmission) left o2 sensor downstream twc (kat)
• (left of transmission) left o2 sensor upstream twc (kat)
• (left rear of engine) coolant temperature sensor
• (not used)
• (rear of engine) heating system shutoff valve
• (rear of left cylinder bank) crankshaft hall sensor
• (right of transmission) right o2 sensor downstream twc (kat)
• (right of transmission) right o2 sensor upstream twc (kat)
• Dcm
• Dcp
• Dk1
• Dk2
• Ev3
• Fsmoel
• Hfm1
• Ip1s
• Ip2s
• Ks m
• Ks s
• Kwg
• Left exhaust camshaft hall sensor (left front of engine)
• Left intake camshaft hall sensor (left front of engine)
• Ls1hk
• Lsh1vk
• Lsu1ia
• Lsu1ip
• Lsu1vm
• Lsu1vn
• Lsu2vk
• Me-sfi (me) control module (behind right front fender)
• Nwga1
• Nwsa 1
• Oil level switch (in engine oil pan)
• Pnk
• Pressure sensor (top left side of engine)
• Red
• Ref1
• Sig
• Tansi
• Tmot
• X26-c1

3.5L Hybrid, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz ML450 4Matic 2011

List of elements for 3.5L Hybrid, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz ML450 4Matic 2011:

• (+)
• (1, 3 & 5: top of right cylinder bank)
• (2, 4 & 6: top of left cylinder bank)
• (left front of engine) left camshaft exhaust solenoid
• (left front of engine) left camshaft intake solenoid
• (left rear of engine compt) w16/3
• (not used)
• (on front of engine) intake manifold tumble flap switchover valve
• (on front of engine) variable intake manifold switchover valve
• (right front of engine) right camshaft exhaust solenoid
• (right front of engine) right camshaft intake solenoid
• Cylinder ignition coils
• Drs
• Ev1
• Ev2
• Ev4
• Ev5
• Ev6
• Fuel injection valves
• Hav
• Hfm
• Hfm1 s
• Ipm
• Ks m
• Ks s
• Kwths
• Lsh2hk
• Lshihk
• Lshk
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi control module (behind right front fender)
• Nca
• Nwg
• Nwga2
• Nwge1
• Nwge2
• Nws e2
• Nwsa2
• Nwse 1
• Oilp
• Radio interference suppression capacitor 1 (top right side of engine)
• Radio interference suppression capacitor 2 (top left side of engine)
• Right exhaust camshaft hall sensor (right front of engine)
• Right intake camshaft hall sensor (right front of engine)
• Senm3
• Senm5
• Sig
• Slv
• To spark plugs
• Uip
• W11w1 (left rear of engine)
• W11w2 (rear of left cylinder bank)
• X205
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 5
• Zue 6