ENGINE PERFORMANCE – Mercedes-Benz S550 4Matic 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L TWIN TURBO

4.6L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz S550 4Matic 2012:

• +5v
• A-a-sam
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve (rear of right rear wheelwell)
• Air conditioning system
• Akv
• Can c h
• Can c l
• Can e h
• Can e l
• Computer data lines system
• Cooling fans system
• Crash
• Cx26-c1
• Dst
• Ekpr
• Engine circuit 87 relay
• Front prefuse (right rear of engine compt)
• Front sam control module w/ fuse & relay module (left rear engine compt)
• Fuel tank pressure sensor (right rear wheelwell)
• Fuse 10a
• Fuse 150a mr1
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Hot at all times
• Llkr
• Lpv
• Lues
• Me-sfi (me) control module (right rear of engine compt)
• Mr4
• M_snsr
• Purge control valve (left front of engine compt)
• Red
• Sp1
• Sp1s
• Sp2
• Sp2s
• Starting/ charging system
• Starting/charging system
• Str +
• Str+
• W34/1 (left front footwell)

4.6L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz S550 4Matic 2012:

• (+)
• (-)
• (under intake manifold, on front of left cylinder bank) left front knock sensor
• (under intake manifold, on front of right cylinder bank) right front knock sensor
• (under intake manifold, on rear of left cylinder bank) left rear knock sensor
• (under intake manifold, on rear of right cylinder bank)
• C9i
• Can c h
• Can c l
• Ci1
• Computer data lines system
• Ekp
• Fuel pressure sensor (top left side of fuel tank)
• Fuel pump (in right side of fuel tank)
• Fuel pump control unit (under left rear seat)
• Fuse 25a
• Hot at all times
• Left fuel level sensor
• Nca
• Phase a
• Phase b
• Phase c
• Rear sam control unit w/ fuse & relay module (center front of trunk)
• Red
• Right fuel level sensor
• Right rear knock sensor
• Sig
• W17/1 (left rear footwell)
• X26-c4
• X26-c5

4.6L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz S550 4Matic 2012:

• (bottom of engine) engine oil pump valve
• (in left exhaust, upstream of catalytic converter) left o2 sensor upstream
• (in right exhaust, upstream of catalytic converter) right o2 sensor upstream
• (right rear of engine) heating system shutoff valve
• Coolant temperature sensor (rear of left cylinder head)
• Ev2
• Ev3
• Ev4
• Ev5
• Ks1a
• Ks1b
• Ks2a
• Ks2b
• Ks3a
• Ks3b
• Ks4a
• Ks4b
• Kwg
• Lh1vk
• Lin
• Lsh2hk
• Lsh2vk
• Lsu1ia
• Lsu1ip
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2un
• Lsu2vm
• Me-sfi (me) control unit (right rear of engine compt)
• Msvl1
• Msvl2
• Nca
• Nwga1
• Nwga2
• Nwge1
• Nwge2
• Nwse1
• Oilp
• Pnk
• Senm3
• Tansv
• Tks
• Tmot

4.6L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz S550 4Matic 2012:

• (left front footwell) w34/1
• (right front of engine) throttle valve pressure sensor downstream
• Air filter pressure sensor downstream
• Camshaft hall sensor
• Can- f h
• Can- f l
• Charge air temperature sensor (rear of engine)
• Check engine mil indicator
• Computer data lines system
• Cx26-c1
• Cylinder ignition coils 1,2,3 & 4 (top of right cylinder bank)
• Instrument cluster
• Left air filter pressure sensor downstream
• Left exhaust camshaft hall sensor (front of left cylinder bank)
• Left intake camshaft hall sensor (front of left cylinder bank)
• Left o2 sensor downstream (in left exhaust, downstream of catalytic converter)
• Nca
• Pnk
• Right o2 sensor downstream (in right exhaust, downstream of catalytic converter)
• Spark plugs
• Upstream throttle valve pressure sensor
• W11 (right rear of engine)
• W11/2 (w/ eco start/stop fundtion) (top right front of engine)
• X26-c3
• X26-c8

4.6L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz S550 4Matic 2012:

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

4.6L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz S550 4Matic 2012

List of elements for 4.6L Twin Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz S550 4Matic 2012:

• (-)
• (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 left cylinder bank) fuel injector cylinder 8
• (top of right cylinder bank) fuel injector cylinder 1
• (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 positioner (top center front of engine)
• Dcpm+
• Dcpm-
• Dshkhp1
• Dslf1
• Dslf2
• Dsll
• Ev1
• Ev2
• Ev4
• Ev5
• Ev6
• Ev7
• Ev8
• Hav
• Ip1s
• Ip2s
• Kwths
• Left camshaft exhaust solenoid (front of left cylinder bank)
• Left intake camshaft solenoid (front of left cylinder bank)
• Ls2hks
• Lsh1hk
• Lsh1hks
• Me-sfi (me) control module (right rear of engine compt)
• Msvh1
• Msvh2
• Nwsa1
• Nwsa2
• Nwse2
• Pnk
• Pnk/red
• Right camshaft exhaust solenoid (front of right cylinder bank)
• Throttle valve actuator (top rear of engine)
• Vgy1
• X26-c3
• Zue1
• Zue2
• Zue3
• Zue4
• Zue5
• Zue6
• Zue7
• Zue8