ENGINE PERFORMANCE – Mercedes-Benz SLK250 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L TURBO

1.8L Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz SLK250 2014:

• (+)
• (-)
• A-wgv
• At zue1
• At zue2
• At zue3
• At zue4
• Cylinder 1 fuel injector
• Cylinder 2 fuel injector
• Cylinder 3 & 4 knock sensor
• Cylinder 3 fuel injector
• Cylinder 4 fuel injector
• Cylinder ignition coils
• Dcm
• Dcp
• Ea lds
• Ev1
• Ev2
• Ev3
• Ev4
• Fuel tank pressure sensor (on fuel tank)
• Interference suppression capacitor
• Ks1-sig
• Kwdga
• Lin c1
• Lshu1
• Lsu1n
• Lsu1s
• Lsu1us
• Me-sfi (me) control module
• Nca
• Nwhgsa
• Nwhgse
• Nwva2
• Pnk
• Red
• Sig
• Starting/charging system
• To spark plugs
• Transmission neutral position sensor (m/t)
• W/ eco start/stop function
• W/o eco start/stop function
• W11 (right rear of engine compt)
• X220-1
• X25/7-2
• X26/39

1.8L Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz SLK250 2014:

• 87m1
• 87m2
• A-sg-start
• A-u-uref1
• C18m
• C2i
• C3m
• C4i
• C6i
• Can-c-h
• Can-c-l
• Can-e-h
• Combustion engine & air conditioning w/ integrated control fan motor (w/ radiator shutters)
• Computer data lines system
• E-a-dst
• E-a-nls1s
• E-a-nls2s
• Early production
• Ekp1
• Electric air pump
• From engine circuit 87 relay (diagram 3 of 6)
• Front sam control unit w/ fuse/ relay module (left rear of engine compt)
• Fuse 10a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Late production
• Lues
• M-r-sews1
• Me-sfi (me) control module
• Pnk
• Red
• Secondary air injection relay
• Sp1m
• Sp2m
• Starting/ charging system
• Str
• Str+
• U-pwg1
• W/ eco start/stop function
• W16/4 (right front wheelwell)
• W46
• W9 (left front of engine compt)
• X26/2

1.8L Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz SLK250 2014:

• A-slp
• Accelerator pedal sensor (on accelerator pedal module)
• As-aav
• C14m
• C16s
• C3m
• C4i
• C6i
• C9g
• Can-e-l
• Clutch pedal switch (m/t & w/o eco start/stop function) (top of clutch
• Computer data lines system
• Crash
• Engine circuit 87 relay
• Front prefuse box (right front of engine compt)
• Front sam control unit w/ fuse & relay module (left rear of engine compt)
• Fuse 100a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Kup1
• Kup2
• Me-sfi (me) control module
• Mr1
• Mr2
• Pedal assembly)
• Pnk
• Red
• Reg
• Sp1s
• Sp2s
• Start enable clutch pedal switch (top of clutch pedal assembly)
• To fuse 32 (diagram 2 of 6)
• W15/5 (left front footwell)
• W16/4 (right front wheelwell)
• X25/7-c2
• X26-1

1.8L Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz SLK250 2014:

• Activated charcoal filter shutoff valve (right rear wheelwell)
• Boost pressure control pressure transducer
• Can-eh
• Can-el
• Computer data lines system
• Coolant temperature warning lamp
• Coolant thermostat heating element
• Divert air switch over valve
• Engine diagnosis indicator lamp
• Exhaust camshaft hall sensor
• Heating system shutoff valve
• Instrument cluster
• Intake camshaft hall sensor
• Nca
• Oxygen sensor downstream of catalytic converter
• Pnk
• Purge control valve (left side of engine)
• Quantity control valve
• Sig
• X25/7-1

1.8L Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz SLK250 2014:

• (+)
• (-)
• C3i
• C5h
• C7i
• C9i
• Can c h
• Can c l
• Computer data lines system
• Ekp
• Ekp-ec-u
• Ekp-ec-v
• Ekp-ec-w
• Exhaust camshaft solenoid
• Fuel level indicator sensor
• Fuel pressure sensor (on fuel tank)
• Fuel pump (fp)
• Fuel pump control unit (top of fuel tank)
• Full-load operation vent line heater element
• Fuse 25a
• Gnd
• Hot w/ quiescent current cutout relay energized
• Intake camshaft solenoid
• Kds-sig
• Nca
• Oxygen sensor
• Rear sam control unit w/ fuse/ relay module (front of trunk)
• Red
• Upstream of catalytic converter
• W7 (right side of trunk)

1.8L Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz SLK250 2014

List of elements for 1.8L Turbo, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz SLK250 2014:

• (+)
• (+) 5v
• (-)
• +5 v
• Actuator motor
• At-kwhs
• At-kwtv
• Charge air temperature sensor
• Coolant temperature sensor
• Crankshaft hall sensor
• Cylinder 1 & 2 knock sensor
• Hall sensor
• Intake manifold swirl flap actuator motor
• Ip1s
• Ip2s
• Ipm
• Ks2-sig
• Lsu1vm
• Me-sfi (me) control module
• Mr uds
• Nca
• Nwve2
• Oil level check switch (lower left side of engine)
• Oss
• Potenti- ometer 1
• Potenti- ometer 2
• Pressure sensor downstream throttle valve
• Pressure sensor upstream of compressor impeller
• Pressure sensor upstream throttle valve
• Rail pressure sensor
• Sig
• Ta tans
• Throttle valve actuator
• Ths
• Tmot