300SE W126 L6-3.0L M103 (1989): Powertrain Management
Also for this vehicle: 300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982), 300CE (124.050) L6-3.0L (103.983) (1989), 300CE (124.051) L6-3.0L (104.980) (1990), 300CE (124.052) L6-3.2L (104.992) (1993), 300D (123.133) L5-3.0L DSL Turbo (617.952) (1984), 300D (124.128) L5-2.5L DSL Turbo (602.962) (1991), 300D (124.133) L6-3.0L DSL Turbo (603.960) (1987), 300E (124.026) L6-2.6L (103.940) (1990), 300E (124.030) L6-3.0L (103.983) (1986), 300E (124.032) L6-3.2L (104.992) (1993), 300E 4MATIC (124.230) L6-3.0L (103.985) (1990), 300SD (126.120) L5-3.0L DSL Turbo (617.951) (1982), 300SD (140.134) L6-3.5L DSL Turbo (603.971) (1993), 300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987), 300SE (140.032) L6-3.2L (104.990) (1992), 300SEL (126.025) L6-3.0L (103.981) (1988), 300SL (129.061) L6-3.0L (104.981) (1991), 300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984), 300TE (124.090) L6-3.0L (103.983) (1989), 300TE 4MATIC (124.290) L6-3.0L (103.985) (1991), 350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990), 380SEC (126.043) V8-3.8L (116.963) (1982), 380SL (107.045) V8-3.8L (116.960) (1982).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management57 pages
Relays and Modules - Computers and Control Systems38 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Overvoltage Protection Relay › Component Information6 pages
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations23
Relays and Modules - Fuel Delivery and Air Induction13 pages
Fuel Pump Relay › Component Information9 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Relays and Modules - Ignition System › Ignition Control Module › Component Information3 pages
Sensors and Switches - Powertrain Management83 pages
Sensors and Switches - Computers and Control Systems54 pages
- Accelerator Pedal Position Sensor › Component Information › Locations
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Engine Does Not Start2
Altitude Correction Sensor <--> [Barometric Pressure Sensor] › Component Information5 pages
Crankshaft Position Sensor › Component Information3 pages
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Locations
- Intake Air Temperature Sensor › Component Information › Locations
- Oil Pressure Sensor › Component Information › Locations
- Throttle Full Close Switch › Component Information › Locations23456
Vehicle Speed Sensor › Component Information3 pages
- Sensors and Switches - Emission Control Systems › EGR Temperature Sensor › Component Information › Locations
Sensors and Switches - Fuel Delivery and Air Induction24 pages
Sensors and Switches - Ignition System4 pages
Crankshaft Position Sensor › Component Information3 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
Tune-up and Engine Performance Checks63 pages
- Fuel Pressure › System Information › Specifications
Air/Fuel Mixture › System Information7 pages
- Idle Speed › System Information › Specifications2345678910
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Fuel Filter › Component Information › Locations234
- Firing Order › Component Information › Specifications
- Ignition Cable › Component Information › Technical Service Bulletins › Spark Plug Connector - Special Pliers234
- Valve Clearance › System Information › Specifications2
Computers and Control Systems205 pages
- Accelerator Pedal Position Sensor › Component Information › Locations
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Engine Does Not Start2
- Intake Air Temperature Sensor › Component Information › Locations
- Auxiliary Air Valve (Idle Speed) › Component Information › Locations2
Altitude Correction Sensor <--> [Barometric Pressure Sensor] › Component Information5 pages
Crankshaft Position Sensor › Component Information3 pages
- EGR Backpressure Transducer › Component Information › Locations
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Locations
Idle Speed/Throttle Actuator - Electronic › Component Information3 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Information Bus › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
- Main Relay (Computer/Fuel System) › Component Information › Locations23
- Malfunction Indicator Lamp › Component Information › Locations2
- Oil Pressure Sensor › Component Information › Locations
Overvoltage Protection Relay › Component Information6 pages
Relays and Modules - Computers and Control Systems38 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Overvoltage Protection Relay › Component Information6 pages
Sensors and Switches - Computers and Control Systems54 pages
- Accelerator Pedal Position Sensor › Component Information › Locations
- Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Engine Does Not Start2
Altitude Correction Sensor <--> [Barometric Pressure Sensor] › Component Information5 pages
Crankshaft Position Sensor › Component Information3 pages
- Engine Speed Sensor › Component Information › Locations
- Fuel Level Sensor › Component Information › Locations
- Intake Air Temperature Sensor › Component Information › Locations
- Oil Pressure Sensor › Component Information › Locations
- Throttle Full Close Switch › Component Information › Locations23456
Vehicle Speed Sensor › Component Information3 pages
- Throttle Full Close Switch › Component Information › Locations23456
Vehicle Speed Sensor › Component Information3 pages
Emission Control Systems29 pages
- Catalytic Converter › Component Information › Technical Service Bulletins › Emissions - Catalytic Converter EPA Replacement Warning
Evaporative Emissions System8 pages
Exhaust Gas Recirculation5 pages
Positive Crankcase Ventilation5 pages
Oil Separator › Component Information › Technical Service Bulletins4 pages
- Positive Crankcase Ventilation Valve › Component Information › Locations
- Relays and Modules - Emission Control Systems › Air Injection Pump Relay › Component Information › Locations23
- Sensors and Switches - Emission Control Systems › EGR Temperature Sensor › Component Information › Locations
Fuel Delivery and Air Induction178 pages
- Fuel Pressure › System Information › Specifications
- Idle Speed › System Information › Specifications2345678910
Air/Fuel Mixture › System Information7 pages
- Accelerator Pedal › Component Information › Description and Operation
- Accelerator Pedal Position Sensor › Component Information › Locations
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
- Altitude Compensator › Component Information › Locations
- Auxiliary Air Valve (Idle Speed) › Component Information › Locations2
- Cold Start Valve <--> [Cold Start Injector] › Component Information › Locations23
- Electro-Hydraulic Actuator <--> [Differential Pressure Regulator] › Component Information › Specifications2345
- Fuel › Component Information › Technical Service Bulletins › Fuel System - Additive Recommendations23456
- Fuel Accumulator › Component Information › Locations234
- Fuel Cooler › Component Information › Locations2
Fuel Distributor › Component Information12 pages
- Fuel Filter › Component Information › Locations234
Fuel Injector5 pages
- Fuel Injector Line › Component Information › Tools and Equipment
Fuel Injector O-Ring › Component Information › Technical Service Bulletins4 pages
- Fuel Pressure Check Valve › Component Information › Technical Service Bulletins › Engine is Difficult to Start When Warm23
- Fuel Pressure Regulator › Component Information › Specifications2345
Fuel Pump10 pages
- Fuel Pressure › System Information › Specifications
Fuel Pump Relay › Component Information9 pages
- Fuel Supply Line › Component Information › Specifications
Fuel Tank16 pages
Fuel Filler Neck › Component Information › Technical Service Bulletins4 pages
- All Technical Service Bulletins: › 47_003A › Mar › 90 › Campaign - Modified Restrictor For Fuel Filler Neck
- Recalls: › 47_003A › Mar › 90 › Campaign - Modified Restrictor For Fuel Filler Neck
- All Other Service Bulletins for Fuel Filler Neck: › 07_3-009 › Mar › 89 › Engine - Rough/High Idle2
- All Other Service Bulletins for Fuel Filler Neck: › 07_3-009 › Mar › 89 › Engine - Rough/High Idle
Fuel Gauge Sender › Component Information10 pages
- Fuel Tank Pressure Release Valve › Component Information › Testing and Inspection2
Idle Speed/Throttle Actuator - Electronic › Component Information3 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Relays and Modules - Fuel Delivery and Air Induction13 pages
Fuel Pump Relay › Component Information9 pages
- Idle/Throttle Speed Control Unit › Component Information › Locations
- Main Relay (Computer/Fuel System) › Component Information › Locations23
Sensors and Switches - Fuel Delivery and Air Induction24 pages
- Supercharger › Supercharger Oil › Component Information › Technical Service Bulletins › Maintenance - Factory Approved Service Products2345
- Throttle Valve Assembly <--> [Throttle Body] › Component Information › Locations › Fuel Rack Position Sensor2
Accelerator Cable <--> [Throttle Cable/Linkage] › Component Information4 pages
- Throttle Full Close Switch › Component Information › Locations23456
Ignition System40 pages
- Firing Order › Component Information › Specifications
- Reference Resistor <--> [Calibration Resistor / Connector, Ignition] › Component Information › Locations23
Crankshaft Position Sensor › Component Information3 pages
- Ignition Cable › Component Information › Technical Service Bulletins › Spark Plug Connector - Special Pliers234
- Ignition Coil › Component Information › Technical Service Bulletins › Engine Does Not Start
Ignition Control Module › Component Information3 pages
Relays and Modules - Ignition System › Ignition Control Module › Component Information3 pages
Sensors and Switches - Ignition System4 pages
Crankshaft Position Sensor › Component Information3 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
Transmission Control Systems6 pages
- Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Solenoid, A/T › Component Information › Locations › Kickdown Switch2
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information › Locations
- Relays and Modules - Transmission and Drivetrain › System Information › Technical Service Bulletins › Electrical - Electrostatic Discharge Damage Prevention
- Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T › Downshift Switch, A/T › Component Information › Locations › Kickdown Switch2