ENGINE PERFORMANCE – Mercedes-Benz 300E 4Matic 1993 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.8L

2.8L, Engine Performance Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 2.8L, Engine Performance Wiring Diagrams (1 of 2) for Mercedes-Benz 300E 4Matic 1993:

• Air flow sensor position indicator
• All times
• Cis-e control unit
• Coolant temperature sensor
• Crankshaft position sensor
• Diagnostic socket/ terminal block terminal
• Distributor
• Electro- hydraulic actuator
• Electronic ignition control unit (ezl)
• Fuse 8a
• Fuse c 8a
• Fuse/ relay box
• Hall-effect speed sensor
• Hot at
• Hot in run and start
• Ignition coil
• Intake air temp sensor
• Multipoint connector
• Nca
• Park/neutral switch
• Pnk/red
• Resistance trimming plug
• Shield
• Tdc sensor

2.8L, Engine Performance Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 2.8L, Engine Performance Wiring Diagrams (2 of 2) for Mercedes-Benz 300E 4Matic 1993:

• (fed only)
• 10a
• Air pump switch-over valve
• Deceleration shut-off microswitch
• Egr switch over valve
• Electro- magnetic air pump clutch
• Electronic clock/ tachometer
• Engine system control unit (mas)
• Fuel pump #1
• Fuel pump #2
• Heated oxygen sensor
• Idle speed air valve
• Indicator lamp "check engine"
• Kick-down switch
• Kick-down valve
• Nca
• Over voltage protection relay
• Pnk/red
• Red
• Shift point retard solenoid relay
• Starting valve
• Switch-over valve
• Test connector
• Throttle valve switch
• Transmission shift point increase relay

3.2L

3.2L, Engine Performance Wiring Diagrams with LH-SFI (1 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 3.2L, Engine Performance Wiring Diagrams with LH-SFI (1 of 2) for Mercedes-Benz 300E 4Matic 1993:

• Air flow sensor position indicator
• All times
• Cis-e control unit
• Coolant temperature sensor
• Crankshaft position sensor
• Diagnostic socket/ terminal block terminal
• Distributor
• Electro- hydraulic actuator
• Electronic ignition control unit (ezl)
• Fuse 8a
• Fuse c 8a
• Fuse/ relay box
• Hall-effect speed sensor
• Hot at
• Hot in run and start
• Ignition coil
• Intake air temp sensor
• Multipoint connector
• Nca
• Park/neutral switch
• Pnk/red
• Resistance trimming plug
• Shield
• Tdc sensor

3.2L, Engine Performance Wiring Diagrams with LH-SFI (2 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 3.2L, Engine Performance Wiring Diagrams with LH-SFI (2 of 2) for Mercedes-Benz 300E 4Matic 1993:

• (fed only)
• 10a
• Air pump switch-over valve
• Deceleration shut-off microswitch
• Egr switch over valve
• Electro- magnetic air pump clutch
• Electronic clock/ tachometer
• Engine system control unit (mas)
• Fuel pump #1
• Fuel pump #2
• Heated oxygen sensor
• Idle speed air valve
• Indicator lamp "check engine"
• Kick-down switch
• Kick-down valve
• Nca
• Over voltage protection relay
• Pnk/red
• Red
• Shift point retard solenoid relay
• Starting valve
• Switch-over valve
• Test connector
• Throttle valve switch
• Transmission shift point increase relay

3.2L, Engine Performance Wiring Diagrams with HFM-SFI (1 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (1 of 2) for Mercedes-Benz 300E 4Matic 1993:

• (center console)
• (in right component compt.)
• 15a
• 15u
• 30z
• 30a
• 40a
• 87e
• 87m
• 87u
• A/c comp. control module
• Acc
• Auxiliary fan relay module
• Battery
• Canada
• Cc/isc control module
• Computer data lines
• Data link connector (dtc readout) (in right component compt.)
• Ea/cc/isc control module
• Electronic clock/ tachometer
• Engine control module (hfm-sfi) (in right component compt.)
• Fuel pump
• Fuel pump relay module
• Fuse & relay box
• Fuse 16a
• Fuse 8a
• G105 (battery)
• G302
• Hot at all times
• Hot in run or start
• Ignition switch
• Lock
• Nca
• O2s 1 (before
• Overvoltage protection relay module (in right component compt.)
• P/n
• Pnk/ red
• Pnk/red
• Purge control valve
• Red
• Run
• Solid state
• Start
• Starter
• Starter lock- out relay module
• Starter lock-out/ backup lamp switch
• Terminal block
• Transmission overload protection switch
• Twc)
• U.s.
• Upshift delay switch- over valve
• W/ ea
• W/o ea

3.2L, Engine Performance Wiring Diagrams with HFM-SFI (2 of 2) for Mercedes-Benz 300E 4Matic 1993

List of elements for 3.2L, Engine Performance Wiring Diagrams with HFM-SFI (2 of 2) for Mercedes-Benz 300E 4Matic 1993:

• (left side
• (right side
• Adjustable camshaft timing solenoid
• Camshaft position sensor
• Crankshaft position sensor
• Egr switchover valve
• Electro- magnetic secondary air injection pump clutch
• Engine control module (in right component compartment)
• Engine coolant temperature sensor
• G105 (battery)
• G125 (top front of engine)
• Hot film mass air flow sensor
• Hot in run or start
• Ignition coil #1
• Ignition coil #2
• Ignition coil #3
• Inj. #1
• Inj. #2
• Inj. #3
• Inj. #4
• Inj. #5
• Inj. #6
• Intake air temperature sensor
• Knock
• Nca
• Of engine)
• Pnk
• Pnk/ red
• Pnk/red
• Resonance intake manifold switchover valve
• Secondary air injection pump switchover valve
• Sensor 1
• Sensor 2
• Solid state
• Spark plug #1
• Spark plug #2
• Spark plug #3
• Spark plug #4
• Spark plug #5
• Spark plug #6
• Terminal block