ENGINE PERFORMANCE – Mercedes-Benz R350 4Matic 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L TURBO DIESEL

3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz R350 4Matic 2012:

• (left rear of engine compt) w16/3
• 87d1
• 87d2
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air conditioning system
• Anr
• Battery compartment prefuse box (under right front seat)
• C82
• Can- i h
• Can- i l
• Can-c h
• Can-c l
• Cdi control module (left front of engine compt)
• Computer data lines system
• Coolant circu- -lation pump relay
• Crash
• E pwg1
• Engine circuit relay
• Engine compartment fuse & relay box (right side of engine compt)
• Exts3
• Exts4
• Front prefuse (right rear of engine compt)
• Fuel pump relay
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Ger
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hrl
• Kpr
• Load compartment fuse & relay box (right rear of cargo area)
• M pwg1
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Pressure differential sensor (w/ diesel particulate filter for onboard diagnostics (obd)) (under center of body)
• Red
• Restraints system control module (under center console)
• Sig
• Starting/charging system
• Temperature sensor (diesel particulate filter) (upstream of diesel particulate filter)
• Temperature sensor upstream of scr catalytic converter
• Transmission oil cooler circulation pump (right front of engine compt)
• U pwg1
• W16/3 (left rear of engine compt)
• X18/7
• X22/6
• X25/2-c1
• X25/2-c2
• Zwr

3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R350 4Matic 2012:

• (+)
• (-)
• (in right side of fuel tank) right fuel pump
• (left side of oil pan) oil temperature sensor
• (on high pressure fuel pump) fuel temperature sensor
• (rear of engine, in exhaust) exhaust back pressure sensor
• (top left side of engine) coolant temperature sensor
• (top right front of engine) charge air temperature sensor
• (under center of body) differential pressure sensor (dpf)
• A-eka-r
• Cdi control module (left front of engine compt)
• Cvh
• Drs
• Eka-a
• Exhaust gas recirculation temperature sensor
• Exts1
• Flwtr
• Iats3
• Inj h
• Kts-s
• Ldf-1
• Ldr
• Lin
• Ls1
• Ls1hk
• Ls1p
• Lsh1hk
• Lshk
• Nca
• Pressure sensor downstream of air filter
• Rail pressure sensor (rear of right fuel rail)
• Rds
• Red
• Sig
• T2-s
• Tag1
• Temperature sensor upstream of turbocharger (right front of engine)
• Temperature sensor upstream of twc (kat)
• Tmot
• Toel
• W17 (in right rear footwell)
• X18/3-c1
• Zme+

3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz R350 4Matic 2012:

• "check engine" mil indicator
• (front of engine) glowtime output stage
• (front of right cylinder bank)
• (not used)
• (top of engine)
• 1.zyl
• 2.zyl
• 3.zyl
• 4.zyl
• 5.zyl
• 6.zyl
• Can- b h
• Can- b l
• Charge pressure sensor (right front of engine)
• Computer data lines system
• Glow plug 1
• Glow plug 2
• Glow plug 3
• Glow plug 4
• Glow plug 5
• Glow plug 6
• Instrument cluster
• Left hot film maf sensor (in left air intake manifold)
• Lin
• Nca
• O2 sensor upstream twc (kat) (under right side of engine)
• Pressure regulator valve
• Quantity control valve
• Red
• Starting/ charging system
• Throttle valve actuator (right front of engine)
• W11

3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz R350 4Matic 2012:

• Battery compartment prefuse box (under right front seat)
• C81
• Can-i h
• Can-i l
• Computer data lines system
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Gr pras
• Hot at all times
• Hot w/ circuit 15 relay energized
• Ia pras
• Ia trats
• Is t15
• Lines system computer data
• Load compartment fuse & relay box (right rear of cargo area)
• Nox control unit downstream of diesel particulate filter
• Nox control unit downstream of scr catalytic converter
• Os rarv
• Ot rapmp
• Ov rh1
• Pnk
• Ramvh1
• Ramvl1
• Red
• Vv bat
• W15/1 (in right front footwell)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz R350 4Matic 2012:

• (not used)
• Bf rals1
• Bf rals2
• Bf rals3
• Delivery pump
• Empty
• Fill level sensor
• Full
• Gg bat 2
• Heating element
• Os mrly
• Os raht1
• Os raht2
• Os raht3
• Pressure line heating element
• Pressure sensor
• Red
• Reserve
• Reversing valve
• Tank heating element & temperature sensor
• Vv 5vpras
• Vv bat
• W6/6

3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz R350 4Matic 2012:

• (+)
• (-)
• (1, 2 & 3: top right side of engine, above cylinders) (4, 5 & 6: top left side of engine, above cylinders) fuel injectors
• (left rear of engine) crankshaft hall sensor
• (top center of engine) vent line heater element
• (top of right cylinder bank) camshaft hall sensor
• A-eka-i
• Agr
• Boost pressure positioner
• Cdi control module (left front of engine compt)
• Dds
• Drs
• Drv
• Etc
• Fuel preheating system heating element (top center of engine)
• Hfm-0
• Hfm-1
• Hfm-2
• Inj h
• Inj l
• Inlet port shutoff motor (top center of engine)
• Kwg
• Left exhaust gas recirculation positioner (left rear of engine)
• Left intake port shutoff end position sensor (in left intake assemblies)
• Mot (+)
• Mot (-)
• Nca
• Ods
• Oil level check switch (left side of engine oil pan)
• Red
• Right hot film maf sensor (in right air intake manifold)
• Right intake port shutoff end position sensor (in right intake assemblies)
• Sig
• Two-disk thermostat heating element
• W16/3 (left rear of engine compt)

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz R350 4Matic 2012:

• (+)
• (-)
• +5v
• Cylinder ignition coils 1, 2 & 3 (top of right cylinder bank)
• Dcm
• Dcp
• Fsoel
• Imp
• Ing h
• Ing l
• Intake manifold intake air temperature sensor (left rear of engine)
• Ip1s
• Ip2s
• Ips1
• Ks1b
• Ks2b
• Ls2hk
• Lsh1hk
• Lshk
• Lshvk1
• Me-sfi (me) control unit (left side of engine)
• Nca
• Nwae2
• Nwg1
• Nwge2
• Nwsa1
• Nwsa2
• Nwse1
• Nwse2
• Ref1
• Res3
• Right exhaust camshaft hall sensor
• Right exhaust camshaft solenoid
• Right intake camshaft hall sensor (front of right cylinder bank)
• Right intake camshaft solenoid
• Sig
• Spark plugs
• Su2
• Ths
• W11 (front of right cylinder bank)
• W16/3 (left rear of engine compt)
• Zu 3
• Zu 5
• Zu 6
• Zue 1
• Zue 2
• Zue 4

3.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz R350 4Matic 2012:

• (on engine oil pump assembly) engine oil pump valve
• (top of right cylinder bank, above cylinders)
• Crankshaft hall sensor (left rear of engine)
• Cylinder ignition coils 6, 4 & 5 (top of left cylinder bank)
• Fuel injector cylinders
• Fuel tank pressure & temperature sensor (left rear of engine)
• Left exhaust camshaft hall sensor
• Left exhaust camshaft solenoid
• Left intake camshaft hall sensor (front of left cylinder bank)
• Left intake camshaft solenoid
• Nca
• Oil level check switch (left side of engine oil pan)
• Pnk
• Pressure sensor downstream throttle valve actuator (downstream of throttle valve actuator)
• Quantity control valve
• Sig
• Spark plugs
• Two disk thermostat heating element
• W11 (front of right cylinder bank)
• W16/3 (left rear of engine compt)

3.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz R350 4Matic 2012:

• (-)
• (front of engine)
• (left rear of engine)
• (left side of engine) me-sfi (me) control unit
• (rear of left cylinder head) coolant temperature sensor
• Hot film mass air flow sensor (on air intake duct)
• Ing h
• Ing l
• Intake manifold resonance flap switchover valve (on front of engine)
• Intake manifold selector drum switchover valve
• Left exhaust gas recirc- ulation actuation motor
• Left exhaust gas recirc- ulation hall sensor
• Left exhaust gas recirculation positioner
• Left o2 sensor downstream twc (kat) (left of transmission)
• Left o2 sensor upstream twc (kat) (right of transmission)
• Lin c1
• Lsh2hk
• Lshvk2
• Lsu1p
• Lsu1un
• Lsu2ip
• Lsu2un
• Nca
• Pnk
• Right o2 sensor downstream twc (kat) (right of transmission)
• Right o2 sensor upstream twc (kat) (left of transmission)
• Sig-sw
• Starting/ charging system

3.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz R350 4Matic 2012:

• (behind radiator) engine & ac electric suction fan w/ integrated control
• (right front wheelwell) w2/1
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve
• Air pump relay
• Computer data lines system
• Engine circuit relay
• Engine compartment fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Hall sensor
• Hot at all times
• Left nox sensor control unit
• Left upstream temperature sensor of nox storage catalytic converter (in exhaust, upstream of left nox storage catalytic converter)
• Mr1
• Mr2
• Mr4
• Pnk
• Purge control valve
• Radiator sensor
• Red
• Right exhaust gas recirc- ulation
• Right exhaust gas recirc- ulation actuation motor
• Right exhaust gas recirculation positioner
• Right nox sensor control unit (top of accelerator pedal assembly)
• Right upstream temperature sensor of nox storage catalytic converter (in exhaust, upstream of right nox storage catalytic converter)
• Throttle valve actuator (rear of intake manifold)
• W15/1 (in left rear footwell)
• W2/1 (right front wheelwell)
• X25/2-c1
• X26/31

3.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz R350 4Matic 2012

List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz R350 4Matic 2012:

• (+)
• (-)
• (in fuel tank) fuel tank pressure sensor
• (not used)
• Aav
• Akf
• Asekpr
• Can-c h
• Can-c l
• Can-i h
• Can-i l
• Computer data lines system
• Crash
• Dcp
• Ekp
• Ekp ec u
• Fuel pressure sensor (in fuel pump module assembly)
• Fuel pump (fp)
• Fuel pump control unit
• Fuse 20a
• Fuse 5a
• Hot at all times
• Kos_sig
• Ks1a
• Ks2a
• Kwga
• Left fuel level sensor (in left front wheelwell)
• Left knock sensor 2
• Lin c1
• Load compt compartment fuse & relay box (right rear of cargo area)
• Lsu1a
• Lsu1vm
• Lsu2ia
• Lsu2vm
• Lues
• Me-sfi (me) control unit (left side of engine)
• Nwga1
• Pnk
• Rear sam control unit (right rear of cargo area)
• Red
• Right fuel level sensor (in right front wheelwell)
• Right knock sensor 1
• Sig
• Sig pmot
• Sp1m
• Sp1s
• Sp2m
• Sp2s
• Starting/ charging system
• Tag 1
• Tag 2
• Tmot1
• Ups1
• W/ stratified charge
• W/o stratified charge
• W16/3 (left rear of engine compt)
• W17/1 (in left rear footwell)
• X18/3-c1
• X18/3-c2
• X25/2-c1
• X25/2-c2
• X26/4