ENGINE PERFORMANCE – Mercedes-Benz ML350 BlueTEC 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L TURBO DIESEL

3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• (-)
• 87m1
• 87m2
• Accelerator pedal sensor (at top of accelerator pedal assembly)
• Battery compartment prefuse box (under right front seat)
• Can-c h
• Can-c l
• Can-e h
• Can-e l
• Can-i-h
• Can-s-l
• Cdi control module (right front fender)
• Circuit 87m relay
• Computer data lines system
• Cooling fans system
• Crash
• Efp
• Engine compartment fuse & relay module (right side of engine compt)
• Fan
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hrl
• Kja
• Mr1
• Mr2
• Pnk
• Pressure differential sensor/ diesel particulate filter for onboard diagnostics (obd) sensor (pressure differential sensor : on rear of differential)
• Radiator shutters actuator (top right rear of radiator shroud)
• S13
• Sam control unit
• Sig
• Starting/ charging system
• Temperature sensor upstream of scr catalytic converter
• Uh2
• Vssam
• W/ eco start/stop function
• W2 (behind right headlight)
• X25/2-c1
• X25/2-c2
• X26/31-c1

3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• (left rear engine mount) left switchable engine mount
• (right rear engine mount) right switchable engine mount
• Can-i h
• Can-i l
• E1a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Fuse 7.5a
• Gr pras
• Hot at all times
• Hot w/ circuit 15 relay energized
• Ia pras
• Ia trats
• Interior prefuse box
• Is t15
• Lines system computer data
• Os rarv
• Ot rapmp
• Ov rh1
• Pnk
• Ramvh1
• Ramvl1
• Rear fuse block
• Red
• Scrm1
• W7 (behind trim, right rear of cargo area)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• (-)
• 15a
• Bf rals1
• Bf rals2
• Bf rals3
• Delivery pump
• Empty
• Fill level sensor
• Full
• Heating element
• Os raht1
• Os raht2
• Os raht3
• Pressure line heating element
• Pressure sensor
• Red
• Reserve
• Scrm(-)
• Scrm3
• Switch over
• Tank heating element & temperature sensor
• Valve
• Vv 5vpras
• W7 (behind trim, right rear of cargo area)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• ( rear of engine, in exhaust) exhaust back pressure sensor
• (-)
• (on rear of
• (right front of engine) charge air temperature sensor
• (top left front of engine) fuel temperature sensor
• (top left side of engine) coolant temperature sensor
• (upstream of diesel particulate filter) temperature sensor upstream of diesel particular filter
• +5v
• A-eka-r
• Cdi control module (right front fender)
• Cvh
• Differential) differential pressure sensor (dpf)
• Downstream of air filter pressure sensor
• Drs
• Ea lds
• Eka-a
• Engine oil temperature sensor
• Exhaust gas recirculation temperature sensor
• Exts1
• Exts2
• Fuel-high pressure sensor
• Iats3
• Inj h
• Kts-s
• Ldr
• Ls1
• Ls1hk
• Lsh1hk
• Lshk
• Pnk/red
• Rds
• Red
• Sig
• T2-s
• Tag1
• Temperature sensor upstream catalytic converter
• Temperature sensor upstream of turbocharger
• Tmot
• Toel
• X18/3-c1
• Zme+

3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• (+)
• (-)
• Can-c h
• Can-c l
• Computer data lines system
• Coolant pump switchover valve
• Ds sig
• Ds+
• Ds-
• Ekp-lauf
• Fuel pressure sensor (front of left fuel rail)
• Fuel pump control module
• Fuse 25a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Left fuel tank fuel level indicator fill level sensor
• Nca
• Oxygen sensor upstream of catalytic converter
• Pnk/red
• Pressure regulator valve (left front of engine)
• Quantity control valve
• Rear fuse box
• Red
• W17/6 (right side of rear seat cross member)
• X18/3-c1
• X25/2-c1
• X26/31-c1

3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• (right front of engine)
• 1.zyl
• 2.zyl
• 3.zyl
• 4.zyl
• 5.zyl
• 6.zyl
• Boost pressure sensor
• Consation sensor for fuel filter w/ heating element
• Cylinder glow plug 1
• Cylinder glow plug 2
• Cylinder glow plug 3
• Cylinder glow plug 4
• Cylinder glow plug 5
• Cylinder glow plug 6
• Egr (agr) cooler bypass flap switchover valve
• Fuel pump (fp) & right fuel tank fuel level indicator fill level sensor
• Glow time output stage (top front c1 of engine)
• Kfh21
• Kfhzz
• Left hot film maf sensor
• Lin
• Nca
• Red
• Starting/ charging system
• Throttle valve actuator (on throttle body)
• W11
• W12 (under center console)
• Wss
• X18/3-c1
• X26/31-c1

3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz ML350 BlueTEC 2012:

• "check engine" mil indicator
• (+)
• (behind right headlight)
• (top of engine, above cylinders) fuel injectors
• (top right front of engine) camshaft hall sensor
• A-eka-i
• Agr
• Boost pressure positioner
• Can- b h
• Can- b l
• Cdi control module (right front fender)
• Computer data lines system
• Crankshaft hall sensor
• Dds
• Drs
• Egr cooler bypass flap hall sensor
• Exhaust gas recirculation actuator
• Gnd
• Hfm-0
• Hfm-1
• Hfm-2
• Inj h
• Inj l
• Instrument cluster
• Intake port shutoff actuator motor
• Kwg
• Left intake port shutoff hall sensor
• Mot (+)
• Mot (-)
• Nca
• Ods
• Oil level check switch (in engine oil pan)
• Pcv
• Pnk/red
• Red
• Right hot film maf sensor
• Right intake port shutoff hall sensor
• S-chv
• Sig
• Vent line heater element

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• (+)
• (-)
• +5v
• A s agr2p
• A t agr2m
• Dcm
• Dcp
• E f agrp1
• E f agrp2
• Fsoel
• Imp
• Inj h
• Inj l
• Intake manifold intake air temperature sensor
• Ip1s
• Ip2s
• Ks2b
• Ls2hk
• Lsh1hk
• Lshk
• Lshvk1
• Me-sfi (me) control module (top center of engine)
• Nca
• Nwae2
• Nwg1
• Nwge2
• Nwsa1
• Nwsa2
• Nwse1
• Nwse2
• Oil level switch (in engine oil pan)
• Right camshaft exhaust solenoid (right front of engine)
• Right camshaft intake solenoid (right front of engine)
• Right exhaust camshaft hall sensor (right front of engine)
• Right intake camshaft hall sensor (right front of engine)
• Sig
• Sig ntemp
• Sig res
• Sig-aslts
• Sig-press
• Throttle valve actuator (on throttle body)
• Ths
• Zu 1
• Zu 2
• Zu 3
• Zu 4
• Zu 5
• Zu 6

3.5L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• (bottom front of engine) engine oil pump valve
• (left front of engine) left exhaust camshaft hall sensor
• (left front of engine) left intake camshaft hall sensor
• Coolant thermostat heating element
• Cylinder ignition coils (cylinder ignition coils 1, 2 & 3: top of right cylinder bank) (cylinder ignition coils 4, 5 & 6: top of left cylinder bank)
• Left camshaft exhaust solenoid (left front of engine)
• Left camshaft intake solenoid (left front of engine)
• Nca
• Quantity control valve
• Sig
• Spark plugs
• W11
• W2 (behind right headlight)
• X26-c1

3.5L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• (+)
• (-)
• (cylinder ports) fuel injector cylinders
• (in fuel tank) fuel tank pressure & temperature sensor
• A t agr1m
• A t agr1p
• Crankshaft hall sensor
• Ef hfm1
• Inj h
• Inj l
• Knock sensor 1
• Knock sensor 2
• Ks1a
• Ks1b
• Ks2a
• Kwga
• Lin c1
• Lsh2hk
• Lshvk2
• Lsu1a
• Lsu1p
• Lsu1un
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control module (top center of engine)
• Nwga1
• Pnk
• Pressure sensor downstream of throttle valve
• Ref1
• Sig
• Sig pmot
• Sig sw
• Sig-temp
• Starting/charging system
• Tmot1
• X26-c4

3.5L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• (left rear of engine) left exhaust gas recirculation positioner
• Actuation motor
• Coolant temperature sensor (left rear of engine)
• Hall sensor
• Hot film mass air flow sensor & intake air temperature sensor (center rear of engine)
• Intake manifold resonance flap switchover valve
• Intake manifold selector drum switchover valve
• Left o2 sensor upstream of catalytic converter
• Left oxygen sensor downstream of catalytic converter
• Low temperature circuit shutoff valve
• Nca
• Right exhaust gas recirculation positioner (right rear of engine)
• Right o2 sensor upstream of catalytic converter
• Right oxygen sensor downstream of catalytic converter
• W2 (behind right headlight)

3.5L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• "check engine" malfunction indicator lamp
• (+)
• (-)
• (if equipped) fuel quality sensor
• (left front of engine compt) purge control valve
• (top right rear of radiator shroud) (if equipped) radiator shutters actuator
• Can c h
• Can c l
• Can-b h
• Can-b l
• Computer data lines system
• Eco start/ stop function
• Ekp
• Ekp-ec-u
• Ekp-ec-v
• Ekp-ec-w
• Ekp-sh
• Engine coolant temperature warning lamp
• Engine diagnosis indicator lamp
• Engine fuel reserve indicator lamp
• Fqs 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
• Instrument cluster
• Kds sig
• Left fuel tank fuel level indicator fill level sensor
• Nca
• 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 cross member)
• X18/3-c1
• X18/3-c2
• X25/2-c1

3.5L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz ML350 BlueTEC 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz ML350 BlueTEC 2012:

• (behind right headlight)
• +5v
• 15v
• A s hr (hss)
• A s sam
• Aav
• Accelerator pedal sensor (at top of accelerator pedal)
• Battery compart- ment prefuse box (under right front seat)
• Can c h
• Can c l
• Can e1 h
• Can e1 l
• Can i h
• Can i l
• Circuit 87m relay
• Computer data lines system
• Cooling fans system
• Crash
• E a dst
• Ekpr
• Engine compartment fuse & relay box (right side of engine compt)
• Fuel tank pressure sensor (in fuel tank)
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hot w/ backup relay energized
• Kla
• Left nox sensor control unit
• Left temperature sensor upstream of nox storage catalytic converter (if equipped)
• Lpv
• Lues
• Me-sfi (me) control module (top center of engine)
• Mr1
• Mr2
• Pnk
• Right nox sensor control unit
• Right temperature sensor upstream of nox storage catalytic converter (if equipped)
• S13
• Sewf 3
• Sp1s
• Sp2s
• Str
• Str+
• Tag 2
• W15/1 (under right front footwell)
• W2 (behind right head- light)
• X18/3-c2
• X25/2-c1
• X25/2-c2
• X26-c1