ENGINE PERFORMANCE – Mercedes-Benz C300 4Matic 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz C300 4Matic 2008:

• (+)
• (+) sh
• (+) sv
• (-)
• 12s
• 16s
• 30g
• A s dk
• Air conditioning system
• Can b h
• Can b l
• Can c h
• Can c l
• Computer data lines system
• E rds
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Ev6
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuel pressure sensor (in fuel tank)
• Fuel pump control unit (under right rear seat)
• Fuse 10a
• Fuse 150a
• Fuse 40a
• Fuse 7.5a
• Hot w/ quiescent current cutout relay energized
• Instrument cluster
• Ipm
• Lin c1
• Ls2hk
• Lsh1hk
• Lsh2hk
• Lshk
• Lshvk1
• Lsik
• Lsu1un
• Lsu1vm
• Lsu2ia
• Lsu2ip
• Lsu2m
• Lsu2un
• Me-sfi (me) control module (top center of engine)
• Mr hfm1
• Nca
• Nwae2
• Nwg m
• Nwg m2
• Nwga1
• Nwsa 1
• Nwse 1
• Nwse 2
• Pnk/red
• Red
• Right fuel pump
• Secondary air injection relay
• Slv
• Starting/charging system
• Suv1
• Ths
• W76 (under right rear seat)
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 6
• Zuf 5

3.0L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz C300 4Matic 2008:

• (+) sv
• (in fuel tank) left fuel level indicator sensor
• (in fuel tank) right fuel level indicator sensor
• (not used)
• (right side of luggage compt) rear prefuse box
• (top front of engine) air pump
• C111
• Can c h
• Can e h
• Computer data lines system
• Dst
• Ekp
• Front battery
• Front electrical prefuse box (at right rear of engine compt)
• Fuel tank pressure sensor (in fuel tank)
• Fuse 125a
• Fuse 20a
• Fuse 60a
• Hot at all times
• Kup1
• Kup2
• Lin
• Me-sfi (me) control module (top center of engine)
• Nca
• Pnk/red
• Rear battery
• Rear sam control unit w/ fuse & relay module (left side of trunk/cargo area)
• Red
• Senm1
• Slp
• Sp1m
• Sp1s
• Sp2s
• Starting/ charging system
• Str
• U pwg1
• W11w2 (left rear of engine)
• W16/5 (left rear of engine compt)

3.0L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz C300 4Matic 2008:

• (left rear of engine compt) front sam control unit w/ fuse & relay module
• (left side of engine compt) w16/3
• (w/ sulev) premair sensor
• 18m
• 20m
• 21m
• Aav
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve
• Air conditioning system
• Can c l
• Can e l
• Clutch pedal switch (w/ m/t)
• Computer data lines system
• Crash
• Left o2 sensor upstream of catalytic converter (under left front of vehicle, in exhaust)
• Lues
• Me-sfi control module (top center of engine)
• Nca
• Pnk
• Purge control valve
• Red
• Refrigerant compressor
• Reg
• Sp2m
• Start enable clutch pedal switch (w/ m/t) (top of clutch pedal assembly)
• W16/4 (right side of engine compt)

3.0L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz C300 4Matic 2008:

• (under right front of vehicle, in exhaust) right o2 sensor upstream of catalytic converter
• Air conditioning system
• Air pump switchover valve
• Engine circuit 87 relay
• Front sam control unit w/fuse & relay module (left rear of engine compartment)
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Heating system shutoff valve
• Hot at all times
• Intake manifold switchover valve
• Intake manifold tumble flap switchover valve
• Left o2 sensor downstream of catalytic converter (under left front of vehicle, in exhaust)
• Nca
• Pnk
• Red
• Right o2 sensor downstream of catalytic converter (under right front of vehicle, in exhaust)

3.0L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz C300 4Matic 2008:

• (in air intake manifold) throttle valve actuator
• (left rear of engine) crankshaft hall sensor
• (top rear of engine) hot film maf sensor
• Cylinder 4 injection valve
• Cylinder 5 injection valve
• Cylinder 6 injection valve
• Ignition coils (top left side of engine)
• Intake air temperature sensor
• Left exhaust camshaft solenoid
• Left intake camshaft solenoid
• Pnk
• Radio interference suppression capacitor 2 (top left side of engine)
• To spark plugs
• W11w1 (right rear of engine)
• W16/5 (left rear of engine compt)

3.0L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 4Matic 2008

List of elements for 3.0L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz C300 4Matic 2008:

• (-)
• (front of left cylinder bank) left exhaust camshaft hall sensor
• (front of left cylinder bank) left intake camshaft hall sensor
• (front of right cylinder bank) right exhaust camshaft hall sensor
• (front of right cylinder bank) right intake camshaft hall sensor
• (left front of engine) pressure sensor
• (left rear of engine) left intake manifold tumble flap position sensor
• (right rear of engine) right intake manifold tumble flap position sensor
• Air conditioning system
• Cylinder 1 injection valve
• Cylinder 2 injection valve
• Cylinder 3 injection valve
• Dcm
• Dcp
• Dk1
• Dk2
• E a ks1a
• E a ks1b
• E a ks2a
• E a ks2b
• Ea tans
• Ef hfm1
• Ef ref1
• Hav
• Ignition coils (top left side of engine)
• Ip1s
• Ip2s
• Kwdga
• Left knock sensor
• Lshvk2
• Lsu1a
• Lsu1p
• Me-sfi (me) control module (top center of engine)
• Nwge1
• Nwge2
• Nwsa 2
• Oil level switch (left side of oil pan)
• Oss
• Pnk
• Radio interference suppression capacitor 1 (top right side of engine)
• Right exhaust camshaft solenoid
• Right intake camshaft solenoid
• Right knock sensor
• Tmot
• To spark plugs
• W11w2 (left rear of engine)