ENGINE PERFORMANCE – Mercedes-Benz E250 Bluetec 4Matic 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.1L TURBO DIESEL

2.1L Turbo Diesel, Engine Performance Wiring Diagram (1 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (1 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (+)
• (-)
• 30z
• 87m
• 87m2
• Air conditioning system
• C16s
• C18m
• C3m
• C4i
• C6i
• Can c h
• Can c l
• Can e1 h
• Can e1 l
• Can i h
• Can i l
• Cdi control module (in right front wheelwell)
• Computer data lines system
• Crash
• Crash in kup1
• Differential pressure sensor (dpf) (w/ diesel particulate filter) (right rear of engine)
• Ekp e a nls1s
• Engine circuit relay
• Front electrical prefuse box (right rear of engine compt)
• Front sam control module w/ fuse/relay module (left rear of engine compt)
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Kpis
• Lscp1
• Lsvg1
• Lsvn1
• Lues
• Mr7
• Nca
• O r shut
• Pnk
• Pnk/red
• Radiator shutters actuator (if equipped) (top right rear of radiator)
• Red
• Sig
• Sp1m
• Sp1s
• Sp2m
• Sp2m sp1m u pwg
• Sp2s
• Sp2s lsh1
• Starter circuit 50 relay
• Starting/charging system
• Str
• Str lues f
• U pwg
• W/ eco start/stop system
• W/o eco start/stop system
• W16/6 (center rear of engine compt)
• X25/2-c1
• X26
• X26-c1
• X86/1-c1b

2.1L Turbo Diesel, Engine Performance Wiring Diagram (2 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (2 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• C2v
• C3i
• C7i
• C9i
• California
• Except california
• Fuel pump relay
• Fuse 25a
• Heat exchanger shutoff valve
• Left fuel level indicator sensor (in left side of fuel tank)
• Left switchable engine mount (left bottom rear side of engine compt)
• Nca
• Pnk/red
• Rear sam control module w/ fuse/ relay module (right side of luggage compt)
• Red
• Right fuel level indicator sensor (in right side of fuel tank)
• Right switchable engine mount (right bottom rear side of engine compt)
• Tg l
• Tg r
• W7 (right side of luggage compt)
• X36/2-c1
• X36/3-c1
• X36/3-c2

2.1L Turbo Diesel, Engine Performance Wiring Diagram (3 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (3 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• Accelerator pedal sensor (on accelerator pedal assembly)
• Computer data lines system
• Downstream of diesel particulate filter nitrogen oxides control unit (under right front of vehicle)
• Downstream of scr catalytic converter nitrogen oxides control unit (near scr catalytic converter)
• Front electrical prefuse box (right rear of engine compt)
• Fuse 100a
• Fuse 150a
• Hot at all times
• Im1
• Nca
• Pnk
• Pnk/red
• Rear prefuse box (right front of luggage compt floor)
• Red
• Upstream of catalytic converter oxygen sensor
• W/ eco start/stop system
• W/ front battery
• W/ rear battery
• W/o eco start/stop system
• W15/1 (right front footwell)
• W18 (under driver's seat)
• X86/1-c1a
• X86/1-c2

2.1L Turbo Diesel, Engine Performance Wiring Diagram (4 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (4 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (-)
• C19a
• C20a
• C21a
• C22a
• C6i
• Can i h
• Can i l
• E19
• E20
• E21
• E22
• Front sam control unit w/ fuse/ relay module (left rear of engine compt)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Lines system computer data
• Pnk
• Pnk/red
• Rear sam control module w/ fuse/relay module (right side of luggage compt)
• Scr
• Sig

2.1L Turbo Diesel, Engine Performance Wiring Diagram (5 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (5 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (not used)
• +5v
• Delivery pump
• Empty
• Fill level sensor
• Full
• Heating element
• Pressure line heating element
• Pressure sensor
• Red
• Reserve
• Sig
• Sp2m
• Switchover valve
• Tank heating element & temperature sensor
• W8/8 (under right rear of luggage compt floor)

2.1L Turbo Diesel, Engine Performance Wiring Diagram (6 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (6 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (+)
• (-)
• (left rear of engine) fuel temperature sensor
• (lower left front of engine) charge air temperature sensor
• (not used)
• (rear of left cylinder bank) coolant temperature sensor
• (right front of engine) upstream turbocharger temperature sensor
• Cdi control module (in right front wheelwell)
• Crankshaft hall sensor (left rear of engine)
• Downstream of air filter pressure sensor
• Drv
• E p3
• Exhaust pressure sensor
• Gnd
• Inj l
• Kwdga
• Lin c1
• Ll tf sig
• Pnk
• Rail pressure sensor (front of fuel rail)
• Sig
• Tmot
• X26-c1

2.1L Turbo Diesel, Engine Performance Wiring Diagram (7 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (7 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (left rear of engine) exhaust gas recirculation actuator
• (left side of oil pan assembly) oil temperature sensor
• Engine oil pump valve (bottom of engine)
• Exhaust gas recirculation cooler bypass switchover valve (lower left side of engine)
• Heat exchanger shutoff valve
• Oil spray nozzle shutoff valve (left front side of engine block)
• Pnk
• Pressure regulator valve
• Quantity control valve (lower right front side of engine)
• Vent line heater element (right front of engine)
• W16/6 (center rear of engine compt)
• X26-c1

2.1L Turbo Diesel, Engine Performance Wiring Diagram (8 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (8 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (+)
• (-)
• 1 zyl
• 2 zyl
• 3 zyl
• 4 zyl
• 87f
• Can-c h
• Can-c l
• Computer data lines system
• Cylinder 1 glow plug (left side of cylinder head)
• Cylinder 2 glow plug (left side of cylinder head)
• Cylinder 3 glow plug (left side of cylinder head)
• Cylinder 4 glow plug (left side of cylinder head)
• Ekp
• Fuel filter condensation sensor w/ heating element (top center of engine)
• Fuel pressure sensor (top left side of fuel tank)
• Fuel pump (fp) (in top right side of fuel tank)
• Fuel pump control module (behind right quarterpanel)
• Glow time output stage (center front of engine)
• Htr 1
• Htr 2
• Kds sig
• Lin c1
• Nca
• Pnk
• Red
• Sig
• Starting/ charging system
• W/ fuel pump control module
• W/o fuel pump control module
• W11 (right front of cylinder head)
• W15/1 (right front footwell)
• X214
• X26-c1
• X36/2-c1

2.1L Turbo Diesel, Engine Performance Wiring Diagram (9 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (9 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (+)
• (-)
• Can b h
• Can b l
• Computer data lines system
• Coolant temperature gauge
• Coolant temperature warning lamp
• Cylinder 1 combustion chamber pressure sensor
• Cylinder 2 combustion chamber pressure sensor
• Cylinder 3 combustion chamber pressure sensor
• Cylinder 4 combustion chamber pressure sensor
• Engine diagnosis indicator lamp
• Fuel level indicator lamp
• Fuel reserve indicator lamp
• Hot film mass air flow sensor (on intake air duct)
• Instrument cluster
• Intake air temperature sensor
• Intake port shutoff actuator motor (top left side of engine)
• Pre-glow indicator lamp
• Red
• Sig
• Throttle valve actuator (top front of engine)

2.1L Turbo Diesel, Engine Performance Wiring Diagram (10 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014

List of elements for 2.1L Turbo Diesel, Engine Performance Wiring Diagram (10 of 10) for Mercedes-Benz E250 Bluetec 4Matic 2014:

• (+)
• (-)
• (left side of engine) boost pressure sensor
• (top center front of engine) boost pressure positioner
• (top center of cylinder head) camshaft hall sensor
• +5v
• Boost pressure control flap pressure transducer (lower left rear side of engine)
• Boost pressure control pressure transducer (top center front of engine)
• Cdi control module (in right front wheelwell)
• Coolant pump switchover valve (lower left side of engine)
• Coolant thermostat heating element (top center front of engine)
• Ealds
• Fuel injector cylinders 1, 2, 3 & 4
• Gnd
• Inj h
• Inj l
• Kts sig
• Nwg sig
• Oil level check switch (bottom of engine)
• Oil temp
• Red
• Sig
• Sig 1
• Sig 2