300SE W126 L6-3.0L M103 (1989): Engine, Cooling and Exhaust
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.
Engine418 pages
Camshaft, Lifters and Push Rods36 pages
- Camshaft Bearing › Component Information › Specifications
Camshaft Gear/Sprocket1 page
- Component Information › Specifications
- Component Information › Specifications
- Camshaft Oil Feed Pipe › Component Information › Technical Service Bulletins › Camshaft Oil Pipe - Revised Installation Procedure2
Camshaft, Engine › Component Information23 pages
Technical Service Bulletins14 pages
- Customer Interest: › 05_003B › May › 92 › Engine - Updated Components234
All Technical Service Bulletins for Camshaft:7 pages
- All Other Service Bulletins for Camshaft: › 05_080A › Jun › 90 › Camshaft - Updated Replacement Part23
- Specifications › Camshaft Bearing Cap Torque & Sequence23
- Service and Repair › Procedures23456
Lifter / Lash Adjuster, Valve › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Lifter / Lash Adjuster:3 pages
Customer Interest for Lifter / Lash Adjuster:3 pages
- Rocker Arm Assembly › Component Information › Technical Service Bulletins › Camshaft - Updated Replacement Part23
Cylinder Block Assembly45 pages
- Connecting Rod Bearing › Component Information › Specifications › Connecting Rod Bearing Clearance2
- Connecting Rod, Engine › Component Information › Specifications › Rod Bearing Cap Torque23
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
- Crankshaft Gear/Sprocket › Component Information › Service and Repair23456
Crankshaft Main Bearing › Component Information3 pages
- Crankshaft, Engine › Component Information › Specifications › Crankshaft Journal Diameter & Limits234
- Engine Block Heater › Component Information › Technical Service Bulletins › Engine - Block Heater Installation2345678910111213141516
- Harmonic Balancer - Crankshaft Pulley › Component Information › Technical Service Bulletins › Vehicle - New Dealer Technical Bulletin2
Piston, Engine › Component Information7 pages
- Piston Ring, Engine › Component Information › Specifications
Cylinder Head Assembly34 pages
- Valve Clearance › System Information › Specifications2
- Cylinder Head Bolts › Component Information › Technical Service Bulletins › Engine - Caution When Installing Head Bolts
- Rocker Arm Assembly › Component Information › Technical Service Bulletins › Camshaft - Updated Replacement Part23
Valve Cover › Component Information › Technical Service Bulletins4 pages
- Valve Guide › Component Information › Technical Service Bulletins › Valve Guides - Special Tools for Checking & Replacement
- Valve Seat › Component Information › Technical Service Bulletins › Engine - Hard Starting, Cuts Out, No Power, Vibrates2345
- Valve Spring › Component Information › Technical Service Bulletins › Engine - Universal Valve Spring Remover/Installer2345678910
Valve, Intake/Exhaust › Component Information8 pages
Drive Belts, Mounts, Brackets and Accessories10 pages
Engine Lubrication105 pages
- Engine Oil Pressure › Component Information › Specifications2
Engine Oil Drain Plug › Component Information3 pages
Engine Oil › Component Information59 pages
Technical Service Bulletins56 pages
All Technical Service Bulletins for Engine Oil:28 pages
- S-58_00-118 › Mar › 01 › Engine Oil - Approved Evacuation Equipment2345678
- 00_65 › Jul › 97 › Tools - Oil Evacuation Equipment2
- 00_057A › Nov › 95 › Engine - Oil Level Checking Procedure Revised
- 00_053 › Oct › 93 › Maintenance - Factory Approved Service Products2345
- 05_003B › May › 92 › Engine - Updated Components234
- 00_081 › Jun › 90 › Engine - Break-In Oil New and Rebuilt
- 00_031A › Aug › 88 › Oils & Fluids - Factory Approved Products234567
- Customer Interest: › 05_003B › May › 92 › Engine - Updated Components234
All Other Service Bulletins for Engine Oil:24 pages
- S-58_00-118 › Mar › 01 › Engine Oil - Approved Evacuation Equipment2345678
- 00_65 › Jul › 97 › Tools - Oil Evacuation Equipment2
- 00_057A › Nov › 95 › Engine - Oil Level Checking Procedure Revised
- 00_053 › Oct › 93 › Maintenance - Factory Approved Service Products2345
- 00_081 › Jun › 90 › Engine - Break-In Oil New and Rebuilt
- 00_031A › Aug › 88 › Oils & Fluids - Factory Approved Products234567
- Specifications › Pressure, Vacuum and Temperature Specifications23
Oil Filter, Engine › Component Information › Technical Service Bulletins6 pages
All Technical Service Bulletins for Oil Filter:3 pages
- Customer Interest: › 18_011A › Jun › 91 › Engine - Oil Filter Housing O-Ring Inspection
All Other Service Bulletins for Oil Filter:2 pages
Oil Filter Housing › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Oil Filter Housing:2 pages
- Customer Interest: › 18_011A › Jun › 91 › Engine - Oil Filter Housing O-Ring Inspection
- All Other Service Bulletins for Oil Filter Housing: › 18_010 › Jun › 90 › Engine - Oil Filter Precaution For O-Ring/Gasket
- Oil Level Warning Indicator › Component Information › Technical Service Bulletins › Instruments - (Oil Level Indicator) Testing & Function2
- Oil Level Sensor › Component Information › Locations
- Oil Pan, Engine › Component Information › Specifications234
- Oil Pressure Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
Oil Pressure Sender › Component Information10 pages
- Oil Pressure Sensor › Component Information › Locations
Intake Manifold › Component Information › Technical Service Bulletins4 pages
Seals and Gaskets, Engine13 pages
- Crankshaft Main Bearing Seal › Component Information › Service and Repair2
- Cylinder Head Gasket › Component Information › Technical Service Bulletins › Oil Leakage at Top Front Cover2345
- Front Crankshaft Seal › Component Information › Service and Repair2
- Timing Cover Gasket › Component Information › Technical Service Bulletins › Oil Leak Between Timing Chain and Cyl. Head Covers
- Valve Guide Seal › Component Information › Service and Repair2
- Water Pump Gasket › Component Information › Service and Repair
Sensors and Switches - Engine12 pages
- Oil Level Sensor › Component Information › Locations
Oil Pressure Sender › Component Information10 pages
- Oil Pressure Sensor › Component Information › Locations
Timing Components40 pages
- Camshaft Gear/Sprocket › Component Information › Specifications
- Crankshaft Gear/Sprocket › Component Information › Service and Repair23456
Timing Chain › Component Information › Technical Service Bulletins8 pages
- Timing Chain Guide › Component Information › Service and Repair › Replacing Guide Rail234
- Timing Chain Tensioner › Component Information › Specifications2345
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
Cooling System186 pages
Auxiliary Water Pump › Component Information3 pages
- Coolant Drain Plug, Cylinder Block › Component Information › Specifications
- Coolant Level Sensor › Component Information › Locations
- Coolant Reservoir › Component Information › Technical Service Bulletins › Radiator - Coolant Overflow Fitting Removal Procedure2
Radiator Cooling Fan36 pages
Engine - Coolant Temperature Sensor/Switch12 pages
- Radiator Cooling Fan Temperature Sensor / Switch › Component Information › Locations › 50 C Temperature Switch2
Temperature Sensor (Gauge) › Component Information10 pages
Heater Core › Component Information22 pages
- Lamps and Indicators - Cooling System › Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
- Radiator › Radiator Drain Plug › Component Information › Specifications
- Radiator Cap › Component Information › Specifications2
- Seals and Gaskets, Cooling System › Water Pump Gasket › Component Information › Service and Repair
Sensors and Switches - Cooling System13 pages
- Coolant Level Sensor › Component Information › Locations
Engine - Coolant Temperature Sensor/Switch12 pages
- Radiator Cooling Fan Temperature Sensor / Switch › Component Information › Locations › 50 C Temperature Switch2
Temperature Sensor (Gauge) › Component Information10 pages
- Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
- Thermostat, Engine Cooling › Component Information › Specifications2
Exhaust System9 pages
- Catalytic Converter › Component Information › Technical Service Bulletins › Emissions - Catalytic Converter EPA Replacement Warning
Exhaust Manifold › Component Information5 pages
- Exhaust Pipe › Component Information › Technical Service Bulletins › Exhaust System - Exhaust Pipe Chrome Tip Care2
- Exhaust Sample Port › Component Information › Technical Service Bulletins › Emissions - Measurement Adapter Kit/Tool