ENGINE PERFORMANCE – Mercedes-Benz R320 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L DIESEL

3.0L Diesel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (1 of 6) for Mercedes-Benz R320 2009:

• (left rear of engine compt) w16/3
• (not used)
• 87d2
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Activated charcoal filter shutoff valve (in right rear wheelwell)
• Anr
• Can-c h
• Can-c l
• Can-s h
• Can-s l
• Cdi control module (left front of engine compt)
• Computer data lines system
• Coolant circulation pump relay
• Crash
• E pwg1
• Electric suction fan engine & ac w/ integrated control (behind radiator)
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Exts3
• Exts4
• Fuel pump module relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Ger
• Hot at all times
• Hrl
• Kpr
• Load compartment fuse & relay box (right rear of cargo area)
• M pwg1
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Red
• Restraints system control module (under center console)
• Starting/ charging system
• Temperature sensor upstream of scr catalytic converter
• Transmission oil cooler circulation pump
• U pwg1
• W16/3 (left rear of engine compt)
• W2/1 (right front wheelwell)
• Zwp

3.0L Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (2 of 6) for Mercedes-Benz R320 2009:

• (not used)
• Circuit 31 right footwell voltage distributor connector
• Computer data lines system
• Fill level sensor (empty)
• Fill level sensor (full)
• Fill level sensor (reserve)
• Front prefuse (right rear of engine compt)
• Fuse
• Fuse 100a
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• Hot at all times
• Nox control unit downstream of diesel particulate filter
• Nox control unit downstream of scr catalytic converter
• Pnk
• Red
• W15/1 (in right front footwell)
• W6/6

3.0L Diesel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (3 of 6) for Mercedes-Benz R320 2009:

• Battery compartment prefuse box (under right front seat)
• C81
• Can-b h
• Can-b l
• Circuit 31 right rear seat voltage distributor connector
• Circuit relay
• Computer data lines system
• Fuse 150a (or 100a)
• Fuse 5a
• Hot at all times
• Left fuel level sensor (in left side of fuel tank)
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Pnk
• Power distribution system
• Pressure differential sensor for diesel particulate filter for onboard diagnostics (obd) (under center of body)
• Rear sam control module (right rear of cargo area)
• Red
• Right fuel level sensor (in right side of fuel tank)
• Tg+l
• Tg+r
• Tg-
• W17 (in right rear footwell)
• W6/6

3.0L Diesel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (4 of 6) for Mercedes-Benz R320 2009:

• (+)
• (-)
• (downstream of air cleaner) pressure sensor air cleaner
• (left side of engine oil pan) oil temperature 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 right side of engine) o2 sensor 1 upstream twc (kat)
• A eka f
• Cdi control module (left front of engine compt)
• Cdr
• Cvh
• Drs
• Eka a
• Engine compartment fuse & relay box (right side of engine compt)
• Exhaust back pressure sensor (rear of engine, in exhaust)
• Exhaust gas recirculation temperature sensor
• Exist
• Iats3
• Inj h
• Kts-s
• Ldf-1
• Lin
• Ls1hk
• Ls1p
• Lshk
• Lst
• Mr1
• Nca
• Pressure differential sensor (dpf) (on rear of differential)
• Rds
• Red
• T0el
• T2-s
• Tact
• Tmot
• Zme+

3.0L Diesel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (5 of 6) for Mercedes-Benz R320 2009:

• (left front of engine) volume control valve
• (not used)
• (top front of engine) glow time output stage 5.zyl
• (top left front of engine) pressure regulator valve
• (top of engine) glow plugs
• 1.zyl
• 2.zyl
• 3.zyl
• 4.zyl
• 6.zyl
• Abs mil ind
• Camshaft hall sensor (top of right cylinder bank)
• Charge pressure sensor (right front of engine)
• Check engine mil ind
• Computer data lines system
• Fuel level & reserve gauge
• Fuel preheating system heating element
• Fuel reserve ind lamp
• Instrument cluster
• Lin
• Preglow ind lamp
• Rail pressure sensor (rear of right fuel rail)
• Red
• Starting/ charging system
• Temperature sensor upstream of diesel particulate filter (upstream of diesel particulate filter)
• Temperature sensor upstream of turbocharger
• Throttle valve actuator (right front of engine)
• Twc (kat) temperature sensor (in exhaust right of transmission)
• W11 (top right front of engine)

3.0L Diesel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz R320 2009

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (6 of 6) for Mercedes-Benz R320 2009:

• (+)
• (-)
• (4, 5 & 6: top left side of engine, above cylinders) (1, 2 & 3: top right side of engine, above cylinders) fuel injectors
• (top center of engine) vent line heater element
• (top front of engine) coolant thermostat heating element
• A eka f
• Agr
• Cdi control module (left front of engine compt)
• Charge pressure positioner (top rear of engine)
• Crankshaft hall sensor (left rear of engine)
• Dds
• Drs
• Drv
• Etc
• Hfm 1
• Hfm 2
• Hfm g
• Inj h
• Inj l
• Inlet port shutoff motor (top center of engine)
• Kwg
• Left exhaust gas recirculation positioner (left rear of engine)
• Left hot film maf sensor (top right side of engine)
• Left intake port shutoff end position sensor
• Mot (+)
• Mot (-)
• Oil pressure switch
• Oos
• Red
• Right hot film maf sensor (top left side of engine)
• Right intake port shutoff end position sensor
• Sig
• W16/3 (left rear of engine compt)