ENGINE PERFORMANCE – Mercedes-Benz SLK350 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz SLK350 2014:

• +5v
• A-p-msvh1
• A-p-msvl1
• A-s-hfm
• A-s-su2
• A-t-agr2m
• A-t-agr2p
• A-t-kwtv
• C4i
• C6i
• C9g
• Coolant thermostat heating element
• Cylinder 5 fuel injector
• Dcm
• Dcp
• E-a-dskhp1
• E-a-tans
• E-f-agrm
• E-f-agrp2
• Engine oil pump valve
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 10a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Hot w/ circuit 15 relay energized
• Imp
• Intake manifold resonance flap switch over valve
• Intake manifold selector drum switch over valve
• Ip1s
• Ip2s
• Left o2 sensor downstream of catalytic converter (in exhaust, downstream of catalytic converter)
• Ls2hk
• Lsh1hk
• Lshk
• Me-sfi (me) control unit (left side of engine)
• Nca
• Nwsa1
• Nwsa2
• Nwse1
• Nwse2
• Pnk
• Right o2 sensor downstream of catalytic converter (in exhaust, downstream of catalytic converter)
• Right quantity control valve
• X25/2-c2
• Zu 3
• Zu 4
• Zu 5
• Zu 6
• Zue 1
• Zue 6
• Zue2

3.5L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz SLK350 2014:

• +5v
• Air
• C14m
• C16s
• C18m
• C3m
• C4i
• C6i
• Can c h
• Can e h
• Can i h
• Computer data lines system
• Conditioning system
• Cooling fans system
• Crash
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 fuel injector
• E-a-dst
• Ekpr
• Engine circuit 87 relay
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuel tank pressure sensor (on fuel tank)
• Fuse 15a
• Fuse 20a
• Kup1
• Lin c1
• Lues
• Me-sfi (me) control unit (left side of engine)
• Pnk
• Red
• S-sam
• Sp1s
• Tag2
• W/ eco start/ stop function
• W/ stratified operation
• W/o stratified operation
• W16/4 (right front wheelwell)
• X25/2-c2
• X25/7-c2

3.5L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz SLK350 2014:

• (left side of engine) purge control valve
• (right rear wheelwell) activated charcoal filter shutoff valve
• 25/7-c1
• Aav
• Accelerator pedal sensor (on accelerator pedal module)
• C3i
• C5h
• C7i
• C9i
• Can c l
• Can e l
• Can i l
• Computer data lines system
• Cylinder 4 fuel injector
• Engine diagnosis radiator sensor
• Front prefuse box (right front of engine compt)
• Fuel level indicator sensor
• Fuse 150a
• Fuse 25a
• Hot at all times
• Hot w/ quiescent current cutout relay energized
• Left temperature sensor upstream of nox storage catalytic converter
• Me-sfi (me) control unit (left side of engine)
• Mr2
• Nca
• Rear sam control unit w/ fuse & relay module (front of trunk)
• Red
• Reg
• Right temperature sensor upstream of nox storage catalytic converter
• Sp2s
• Starting/ charging system
• Str
• Str-
• Tag1
• W16/4 (right front wheelwell)
• W7 (right side of trunk)
• X25/7-c2
• X86/3-c2
• X86/4-c2

3.5L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz SLK350 2014:

• (+)
• (-)
• (in exhaust, upstream of catalytic converter) right oxygen sensor upstream of catalytic converter
• (on fuel tank) fuel pressure sensor
• (top of fuel tank) fuel pump control unit
• Can c h
• Can c l
• Computer data lines system
• Ekp
• Ekp-ec-u
• Ekp-ec-v
• Ekp-ec-w
• Fuel pump (fp)
• Gnd
• Hot film mass air flow sensor (right front of engine)
• Ignition coils
• Kds sig
• Left exhaust camshaft solenoid (left front of engine)
• Left intake camshaft solenoid (left front of engine)
• Nca
• Red
• To spark plugs
• W7 (right side of trunk)

3.5L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz SLK350 2014:

• (in exhaust, upstream of catalytic converter) left oxygen sensor upstream of catalytic converter
• (left rear of intake manifold) intake manifold intake air temperature sensor
• (on throttle body) throttle valve actuator
• Actuator motor
• Computer data lines system
• Ignition coils
• Left nox sensor control unit
• Nca
• Pnk
• Potenti- ometer 1
• Potenti- ometer 2
• Right exhaust camshaft solenoid
• Right intake camshaft solenoid
• Right nox sensor control unit
• To spark plugs
• W11 (right rear of engine compt)
• W15/5 (left front footwell)
• W15/7 (right front footwell)
• X25/7-c1
• X86/3-c1
• X86/4-c1

3.5L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz SLK350 2014

List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz SLK350 2014:

• (left side of engine block) cylinder 3 & 4 knock sensor
• (right side of engine block) cylinder 1 & 2 knock sensor
• A-s-sui
• A-t-agr1n
• A-t-agr1p
• A-t-lsh2vk
• A-t-oilp
• A-v-lsu2va
• A-v-lsu2vm
• Coolant temperature sensor
• Crankshaft hall sensor (left rear of engine)
• Cylinder 6 fuel injector
• E-a-ds
• E-a-lsu21p
• E-a-lsu2un
• E-a-tansr
• E-a-tks
• E-f-hfm1
• E-f-ref1
• Ev6
• Fsoel
• Fuel tank pressure & temperature sensor
• Ks 2b
• Ks1a
• Ks1b
• Ks2a
• Kwga
• Left exhaust camshaft hall sensor
• Left exhaust gas recirculation actuation motor (if equipped)
• Left intake camshaft hall sensor
• Lin
• Lsh2hk
• Me-sfi (me) control unit (left side of engine)
• Nwga1
• Nwga2
• Nwge1
• Nwge2
• Oil level check switch (lower left side of engine)
• Pnk
• Pressure sensor downstream of throttle valve (top front of engine)
• Right exhaust camshaft hall sensor
• Right exhaust gas recirculation actuation motor (if equipped)
• Right intake camshaft hall sensor
• Sig
• Starting/ charging system
• Tmot
• X25/2-c1