ENGINE PERFORMANCE – Mercedes-Benz GL450 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L TURBO

4.6L Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz GL450 2014:

• +5v
• 25/2-c1
• A-a-sam
• A-s-hr
• Aav
• Accelerator pedal sensor (part of accelerator pedal assembly)
• Activated charcoal filter shutoff valve (front of left front wheelwell)
• Battery compartment prefuse box (under front passenger's seat)
• Can b h
• Can b l
• Can c h
• Can c l
• Can e1 h
• Can e1 l
• Check engine mil indicator
• Circuit 87m relay
• Computer data lines system
• Coolant run-on pump
• Coolant run-on pump relay
• Coolant temperature gauge
• Coolant temperature warning lamp indicator
• Cooling fans system
• Crash
• E-a-dst
• Ekpr
• Engine compartment fuse & relay module (right side of engine compt)
• Engine diagnosis indicator lamp
• Fuel level indicator lamp
• Fuel reserve indicator lamp
• Fuel tank pressure sensor (inside fuel tank)
• Function
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Instrument cluster
• Llkr
• Lpv
• Lues
• Me-sfi (me) control unit (top center rear of engine)
• Mr2
• Pnk
• Power distribution system
• Purge control valve (left side of engine compt)
• S13
• Sewf 3
• Sig-htk/ntk
• Sp1s
• Sp2s
• Starting/ charging system
• Starting/charging system
• Str
• Str+
• W/ eco start/stop
• W2 (right side of engine compt)
• W52/11 (right rear of engine compt)
• X18/3-c2
• X192/1-c1
• X25/2-c1
• X25/2-c2
• X26-c1

4.6L Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz GL450 2014:

• (+)
• (-)
• (fp)
• (mounted on top of fuel tank) (if equipped) fuel quality sensor
• (right kick panel) sam control unit
• (under intake manifold, on front of left cylinder bank) knock sensor 1
• (under intake manifold, on front of right cylinder bank) knock sensor 3
• (under intake manifold, on middle of left cylinder bank) knock sensor 2
• (under intake manifold, on middle of right cylinder bank) knock sensor 4
• Can c h
• Can c l
• Computer data lines system
• Ekp
• Ekp-ec-u
• Ekp-ec-v
• Ekp-ec-w
• Ekp-sh
• Fos sig
• Fuel pressure sensor (rear of right fuel rail)
• Fuel pump control unit (right front of luggage compt floor)
• Fuel pump m
• Fuse 25a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Kds sig
• Left fuel tank fuel level indicator fill level sensor (in top of left side of fuel tank)
• Nca
• Power distribution system
• Rear fuse box (in right rear footwell)
• Red
• Right fuel tank fuel level indicator fill level sensor (in top of right side of fuel tank)
• S13
• Uh2
• W/ eco start/stop function
• W17/6 (under right seat of 2nd row)
• X18/3-c1
• X18/3-c2
• X25/2-c1
• X26-c4
• X26-c5

4.6L Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz GL450 2014:

• (-)
• (bottom front of engine) engine oil pump valve
• (bottom rear of engine) oil level check switch
• (in left exhaust, before catalytic converter) left oxygen sensor upstream of catalytic converter
• (in right exhaust, before catalytic converter) right oxygen sensor upstream of catalytic converter
• Cooling fans system
• Inj h
• Inj l
• Ks m
• Kss
• Kwg
• Lin c1
• Lsh2hk
• Lsh2vk
• Lshvk1
• Lsu1ia
• Lsu1ip
• Lsu1un
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control unit (top center rear of engine)
• Mot
• Nca
• Nwae2
• Nwga1
• Nwge1
• Nwge2
• Nwse1
• Oss
• Pnk
• Ref1
• Sig
• Starting/ charging system
• Tansv
• Tmot

4.6L Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz GL450 2014:

• Charge air temperature sensor
• Crankshaft hall sensor
• Cylinder ignition coils 1, 2, 3 & 4 (top of right cylinder bank)
• Left exhaust camshaft hall sensor (top front of left cylinder bank)
• Left intake camshaft hall sensor (top front of left cylinder bank)
• Left oxygen sensor downstream of catalytic converter (in left exhaust, after catalytic converter)
• Nca
• Pnk
• Pressure sensor downstream of air filter
• Pressure sensor downstream of left cylinder bank air filter
• Pressure sensor downstream of throttle valve
• Pressure sensor upstream of throttle valve
• Purging pressure sensor
• Right oxygen sensor downstream of catalytic converter (in right exhaust, after catalytic converter)
• Spark plugs
• W11
• X26-c3
• X26-c8

4.6L Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz GL450 2014:

• (rear of right cylinder bank) left quantity control valve
• (rear of right cylinder bank) right quantity control valve
• (top of engine) coolant thermostat heating element
• Cylinder ignition coils 5, 6, 7 & 8 (top of left cylinder bank)
• Fuel tank pressure & temperature sensor (on right fuel rail)
• Pnk
• Right exhaust camshaft hall sensor (top front of right cylinder bank)
• Right intake camshaft hall sensor (top front of right cylinder bank)
• Right intake camshaft solenoid (front of right cylinder bank)
• Spark plugs
• W11

4.6L Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz GL450 2014

List of elements for 4.6L Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz GL450 2014:

• (+)
• (-)
• (top of left cylinder bank)
• (top of left cylinder bank) fuel injector cylinder 5
• (top of left cylinder bank) fuel injector cylinder 6
• (top of left cylinder bank) fuel injector cylinder 7
• (top of right cylinder bank)
• (top of right cylinder bank) fuel injector cylinder 2
• (top of right cylinder bank) fuel injector cylinder 3
• (top of right cylinder bank) fuel injector cylinder 4
• +5v
• Boost pressure control pressure transducer (center front of engine)
• Dcm
• Dcp
• Ds1
• Ds2
• Fuel injector cylinder 1
• Fuel injector cylinder 8
• Gnag2
• Inj h
• Inj l
• Ip1s
• Ip2s
• Ipm
• Left exhaust camshaft solenoid (front of left cylinder bank)
• Left intake camshaft solenoid (front of left cylinder bank)
• Ls2hks
• Lsh1hk
• Lshk
• Me-sfi (me) control unit (top center rear of engine)
• Nwsa1
• Nwsa2
• Nwse2
• Pnk
• Pnk/red
• Right exhaust camshaft solenoid (front of right cylinder bank)
• Sig
• Throttle valve actuator
• Ths
• X26-c3
• Zue1
• Zue2
• Zue3
• Zue4
• Zue5
• Zue6
• Zue7
• Zue8