ENGINE PERFORMANCE – Mercedes-Benz CLA250 4Matic 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO

2.0L Turbo, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (1 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• 30g
• 58km
• 58kn
• 58ko
• 5v +
• 87m
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve (right of fuel tank)
• Can c h
• Can c l
• Can e h
• Can e l
• Can i h
• Can i l
• Circuit 87m relay
• Computer data lines system
• Cooling fans system
• Engine compartment fuse & relay module (left side of engine compt)
• Fan motor (behind radiator)
• Fuel tank pressure sensor (in fuel tank)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• Gnd
• Hot at all times
• Ksp a
• Me-sfi (me) control module (left front of engine compt)
• Mr2
• Nca
• Park pawl control unit circuit 87 relay
• Purge control valve (right rear of engine)
• Pwm
• Red
• S10
• Sig
• Starting/charging system
• Str
• Temperature sensor upstream of nox storage catalytic converter (gasoline direct injection w/ stratified charge)
• Vehicle interior fuse box (right front footwell)
• W/ eco start/stop function
• W/ fan 300w & 400w
• W/ fan 600w & 850w
• W11 (left rear of engine compt)
• W3/2 (left rear of engine compt)
• Wsa
• X25/13-c1
• X25/13-c2
• X25/14-c1
• X25/18-c1
• X26-c1
• X36/2-c1

2.0L Turbo, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (2 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (+)
• 5v +
• Can b h
• Can b l
• Can c h
• Can c l
• Computer data lines system
• Engine diagnosis indicator lamp
• Fuel level indicator
• Fuel pressure sensor (top of fuel tank)
• Fuel pump (in fuel tank)
• Fuel pump control unit (w/ 4matic) (behind right rear seat)
• Fuel pump control unit (w/o 4matic) (behind right rear seat)
• Fuel reserve indicator lamp
• Fuse 25a
• Fuse 5a
• Gnd
• Hot at all times
• Hot w/ circuit 15 relay energized
• Instrument cluster
• Ksp a
• Nca
• Nox sensor control unit (gasoline direct injection w/ stratified charge)
• Pwm
• Red
• S25
• Sam control unit (left end of dash)
• Sig
• System data lines computer
• Uh2
• Vehicle interior fuse box (right front footwell)
• W/ 4matic
• W/o 4matic
• W18 (under driver's seat)
• W3/2 (left rear of engine compt)
• X36/2-c1

2.0L Turbo, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (3 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (+)
• (in exhaust, downstream of catalytic converter) oxygen sensor downstream of catalytic converter
• (in exhaust, upstream of catalytic converter) oxygen sensor upstream of catalytic converter
• (in oil pan) engine oil pump valve
• (left front of cylinder head) exhaust camshaft solenoid
• (right front of cylinder head) intake camshaft solenoid
• (right side of engine block) partial load operation crankcase ventilation valve
• (top left side of engine) full-load operation vent line heater element
• Gnd
• He (+)
• He (-)
• Inj h
• Inj l
• Me-sfi (me) control unit (left front of engine compt)
• Nca
• Pnk
• Pzev vent line contact switch (w/ pzev emission)
• Red
• Sig
• Sig1
• Sig2
• X130-c1

2.0L Turbo, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (4 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (above cylinder 2) fuel injector cylinder 2
• (in engine oil pan) oil level check switch
• (left rear of engine) (w/ gasoline direct injection & stratified charge) exhaust gas recirculation valve
• (top rear of engine) quantity control valve
• (w/ camtronic) intake camshaft valve lift switching actuator
• Crankshaft hall sensor
• Cylinder 3+4 knock sensor
• Fuel tank pressure & temperature sensor (on fuel rail)
• Knock sensor 2 (right center side of engine block)
• Pnk
• Pressure sensor downstream of throttle valve (top front of engine)
• Purging pressure sensor (top right rear of engine)
• W2 (top of engine)

2.0L Turbo, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (5 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (right side of engine) coolant temperature sensor
• (top center rear of engine) charge air temperature sensor upstream of throttle valve
• (top of engine) charge air temperature sensor downstream of throttle valve
• Exhaust camshaft hall sensor (left front of cylinder head)
• Exhaust gas recirculation pressure sensor 1 (w/ gasoline direct injection & stratified charge) (left rear of engine)
• Exhaust gas recirculation pressure sensor 2 (w/ gasoline direct injection & stratified charge) (left rear of engine)
• Intake camshaft hall sensor (right front of cylinder head)
• Pnk
• Pressure sensor downstream of air filter (on air intake duct)
• Pressure sensor upstream of throttle valve (top center rear of engine)

2.0L Turbo, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (6 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (right side of engine) coolant thermostat heating element
• Boost pressure control pressure transducer
• Coolant pump switchover valve (right side of engine)
• Cylinder ignition coils 1, 2, 3 & 4 (top of cylinder head)
• Divert air switchover valve (lower left front of engine)
• Pnk
• Red
• W2 (top of engine)
• W3/2 (left rear of engine compt)
• X26-c1

2.0L Turbo, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz CLA250 4Matic 2014

List of elements for 2.0L Turbo, Engine Performance Wiring Diagram (7 of 7) for Mercedes-Benz CLA250 4Matic 2014:

• (+)
• (+) 5v
• (above cylinder 1) fuel injector cylinder 1
• (above cylinder 3) fuel injector cylinder 3
• (above cylinder 4) fuel injector cylinder 4
• (top rear of engine) (w/ gasoline direct injection & stratified charge) hot film mass air flow sensor
• +5v
• Gnd
• Inj h
• Inj l
• Lin c1
• Me-sfi (me) control unit (left front of engine compt)
• Mot
• Sig
• Starting/charging system
• Throttle valve actuator (on throttle body)