ENGINE PERFORMANCE – Mercedes-Benz R350 4Matic 2011 – 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 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz R350 4Matic 2011:

• (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

3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R350 4Matic 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R350 4Matic 2011:

• (+)
• (-)
• (in right side of fuel tank) fuel pump
• (lower left front of engine) oil temperature sensor
• (rear of engine, in exhaust) exhaust back pressure sensor
• (top left front of engine) fuel temperature 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
• Tmot
• Toel
• Twc (kat) temperature sensor (in exhaust right of transmission)
• 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 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz R350 4Matic 2011:

• "check engine" mil indicator
• (front of right cylinder bank)
• (not used)
• (top front of engine) glowtime output stage
• (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 1 upstream twc (kat) (under right side of engine)
• Pressure regulator valve (top left front of engine)
• 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 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz R350 4Matic 2011:

• 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 (under center front of vehicle)
• Nox control unit downstream of scr catalytic converter (under center rear of vehicle)
• 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 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz R350 4Matic 2011:

• (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 2011

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz R350 4Matic 2011:

• (+)
• (-)
• (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
• 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 switch (in left side 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 4) for Mercedes-Benz R350 4Matic 2011

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz R350 4Matic 2011:

• (left rear of engine compt) w16/3
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air pump relay
• Akf
• Can-c h
• Can-c l
• Computer data lines system
• Cooling fans system
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuel pressure sensor
• Fuel tank pressure sensor (in fuel tank)
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Kpr
• Lues
• Me-sfi (me) control module (top center of engine)
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Purge control valve (left front of engine compt)
• Red
• Restraints system control module (under center console)
• Slp
• Sp1m
• Sp1s
• Sp2m
• Sp2s
• Starting/charging system
• Usp1
• X18/3-c1
• X18/3-c4
• X25/2-c1
• X25/2-c2
• X26-c1

3.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R350 4Matic 2011

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R350 4Matic 2011:

• (+)
• (-)
• (front of engine, part of thermostat) three-disk thermostat valve
• (in right rear footwell) w17
• (lower left front of engine) power steering pump pressure regulator valve
• (not used)
• (on front of engine) intake manifold tumble flap switchover valve
• (on front of engine) variable intake manifold switchover valve
• Air pump (front of engine)
• Can-d h
• Can-d l
• Computer data lines system
• Coolant temperature sensor (rear of left cylinder head)
• Dkp1
• Dkp2
• Dk_s+
• Dk_s-
• Drs
• Fuel pump (in right side of fuel tank)
• Fuel pump control module (right side of cargo area)
• Fuse 20a
• Fuse 5a
• Hav
• Hfm
• Hot at all times
• Hot w/ circuit 15 relay energized
• Ks_m
• Ks_s
• Kwg
• Kws a2
• Left knock sensor 2 (top of engine, between cylinder banks)
• Load compartment fuse & relay box (right rear of cargo area)
• Lsk
• Me-sfi (me) control module (top center of engine)
• Nca
• Nwge1
• Nwge2
• Oss
• Red
• Right knock sensor 1 (top of engine, between cylinder banks)
• Slv
• Ths
• Tmot
• Tna
• W11 (front of right cylinder bank)
• X18/3-c1
• X205
• X25/2-c1
• X26-c1
• X26-c2

3.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R350 4Matic 2011

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R350 4Matic 2011:

• (left of transmission) left o2 sensor upstream twc (kat)
• (rear of engine) heating system shutoff valve
• (right of transmission) right o2 sensor downstream twc (kat)
• (right of transmission) right o2 sensor upstream twc (kat)
• Air pump switchover valve
• Bank)
• Can-b h
• Can-b l
• Check engine mil ind
• Computer data lines system
• Crankshaft hall sensor (rear of left cylinder bank)
• Instrument cluster
• Intake air temperature sensor
• Left camshaft exhaust solenoid (left front of engine)
• Left exhaust camshaft hall sensor (front of left cylinder bank)
• Left intake camshaft hall sensor (front of left cylinder
• Left intake manifold tumble flap position sensor (left rear of intake manifold)
• Left o2 sensor downstream twc (kat) (left of transmission)
• Nca
• Oil level switch (in left side engine oil pan)
• Pressure sensor (top left side of engine)
• Red
• Right intake manifold tumble flap position sensor (right rear of intake manifold)
• Throttle valve actuator (rear of intake manifold)

3.5L, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz R350 4Matic 2011

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz R350 4Matic 2011:

• (+)
• (-)
• (1, 2 & 3: top right side of engine, above cylinders) (4, 5 & 6: top left side of engine, above cylinders) fuel injectors
• (4, 5 & 6: top of left cylinder bank)
• (front of right cylinder bank) right exhaust camshaft hall sensor
• (front of right cylinder bank) right intake camshaft hall sensor
• (right front of engine) right camshaft exhaust solenoid
• (right front of engine) right camshaft intake solenoid
• Cylinder ignition coils (1, 2 & 3: top of right cylinder bank)
• Dkl
• Dkp_m
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Ev6
• Hfm
• Left camshaft intake solenoid (left front of engine)
• Lhp
• Lin
• Ls2hk
• Lsh1hk
• Lshk
• Lsk
• Me-sfi control module (top center of engine)
• Nca
• Nwae2
• Nwga1
• Nwg_m
• Nws e2
• Nwsa 1
• Nwse 1
• Red
• Spark plugs
• Starting/charging system
• Tuks
• W11w1
• W11w2
• W16/3 (left rear of engine compt)
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 5
• Zue 6