ENGINE PERFORMANCE – Mercedes-Benz R350 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.5L

3.5L, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz R350 2009

List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz R350 2009:

• (left rear of engine compt) w16/3
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve (in right rear wheelwell)
• Air conditioning system
• Air pump relay
• Akf
• Can-c h
• Can-c l
• Computer data lines system
• Early production
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Fuel pressure sensor
• Fuel pump module relay
• Fuel tank pressure sensor (in fuel tank)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Kpr
• Late production
• Load compartment fuse & relay box (right rear of cargo area)
• Lues
• Me-sfi (me) control module (top center of engine)
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Purge control valve (left front of engine compt)
• Restraints system control module (under center console)
• Slp
• Sp1m
• Sp1s
• Sp2m
• Sp2s
• Starting/charging system
• Usp1

3.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R350 2009

List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R350 2009:

• (+)
• (-)
• (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)
• Brs
• 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
• Fuse 20a
• Fuse 5a
• Hav
• Hfm
• Hot at all times
• 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)
• 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 (top right front of engine)

3.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R350 2009

List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R350 2009:

• (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 2009

List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz R350 2009:

• (+)
• (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
• Dkl
• Dkp_m
• Ev1
• Ev2
• Ev3
• Ev4
• Ev5
• Ev6
• Hfm
• Ignition coils (1, 2 & 3: top of right cylinder bank)
• 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
• Radio interference suppression capacitor 1 (top right side of engine)
• Radio interference suppression capacitor 2 (top left side of engine)
• Red
• Spark plugs
• Starting/charging system
• Tuks
• W11w1 (rear of right cylinder bank)
• W11w2 (rear of left cylinder bank)
• W16/3 (left rear of engine compt)
• Zue 1
• Zue 2
• Zue 3
• Zue 4
• Zue 5
• Zue 6