300D W124 L6-3.0L DSL Turbo OM603 (1987): 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), 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 (126.024) L6-3.0L (103.981) (1989), 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.
Engine273 pages
Camshaft, Lifters and Push Rods12 pages
- Camshaft Bearing › Component Information › Specifications2
- Camshaft, Engine › Component Information › Technical Service Bulletins › Camshaft - Removal & Installation Procedure2
Lifter / Lash Adjuster, Valve › Component Information › Technical Service Bulletins8 pages
All Technical Service Bulletins for Lifter / Lash Adjuster:4 pages
All Other Service Bulletins for Lifter / Lash Adjuster:2 pages
Cylinder Block Assembly30 pages
- Connecting Rod, Engine › Component Information › Specifications2
- Crankshaft Main Bearing › Component Information › Technical Service Bulletins › Main Bearings - Cross References
- Crankshaft, Engine › Component Information › Specifications › Crankshaft Journal Diameter & Limits2
- Piston Sleeve <--> [Cylinder Liner] › Component Information › Technical Service Bulletins › Engine - Rebuilding With Cylinder Sleeves2
- Engine Block Heater › Component Information › Technical Service Bulletins › Engine - Block Heater Installation234567891011
- Harmonic Balancer - Crankshaft Pulley › Component Information › Technical Service Bulletins › Crankshaft Pulley - Modified Bolt23
- Piston, Engine › Component Information › Technical Service Bulletins › Engine - Revised Specs Cylinder Head Bolts/Piston2345
- Piston Pin, Engine › Component Information › Specifications2
- Piston Ring, Engine › Component Information › Specifications2
Cylinder Head Assembly42 pages
- Valve Clearance › System Information › Specifications2
- Cylinder Head Bolts › Component Information › Technical Service Bulletins › Engine - Revised Specs Cylinder Head Bolts/Piston234
- Pre-combustion Chamber › Component Information › Technical Service Bulletins › Engine - Fixing Prechamber Leaks234567
- Valve Guide › Component Information › Technical Service Bulletins › Valve Guides - Special Tools for Checking & Replacement
Valve Spring › Component Information › Technical Service Bulletins27 pages
- Special Tool - Universal Valve Spring Tool2345
Technical Service Bulletins for Valve Spring:22 pages
- S-05_010A › May › 01 › Tools - Universal Valve Spring Tool2345
- S-58_091A › May › 01 › Special Tool - Universal Valve Spring Tool2345
- DDAF07_10-U-3100A › Apr › 97 › Excessive Power Loss (Above 10kW) at Full Load
- 05_010 › Jan › 97 › Valve Springs - Tool Kit for Removing/Installing234
- 58_091 › Jan › 97 › Engine - Universal Valve Spring Remover/Installer234
- 05_081 › Mar › 90 › Valve - Tool Modification
- 58_074 › Mar › 90 › Valve Spring Compressor - Modifications
- DD07.1-88071 › Jul › 88 › Excessive Power Loss (Above 10 kW) at Full Load
- Valve, Intake/Exhaust › Component Information › Specifications
Drive Belts, Mounts, Brackets and Accessories7 pages
Engine Lubrication74 pages
- Engine Oil Pressure › Component Information › Specifications
- Engine Oil Drain Plug › Component Information › Tools and Equipment › Oil Drain & Plug Wrench - AST Tool # H 27602
Engine Oil › Component Information35 pages
Technical Service Bulletins › Technical Service Bulletins for Engine Oil:32 pages
- 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_086A › Apr › 91 › Engine - Oil Capacity Reduced
- 01_021A › Apr › 91 › Engine - Oil Capacity Changed
- 00_081 › Jun › 90 › Engine - Break-In Oil New and Rebuilt
- 18_043 › Mar › 90 › Oil - Engine Oil Test Sheets for Measuring Consumption234567891011121314
- 00_031A › Aug › 88 › Oils & Fluids - Factory Approved Products234567
- Specifications › Pressure, Vacuum and Temperature Specifications23
Oil Filter, Engine › Component Information › Technical Service Bulletins10 pages
All Technical Service Bulletins for Oil Filter:5 pages
- 18_005A › Jun › 92 › Engine - Oil Filter Cover, Torque and Updated Studs
- 18_011A › Jun › 91 › Engine - Oil Filter Housing O-Ring Inspection
- 18_010 › Jun › 90 › Engine - Oil Filter Precaution For Gasket/O-Ring
- 18_039 › Oct › 89 › Oil Filter - Modified Wrench
- 18_004 › Nov › 86 › Engine - Oil Filter Cover Modified
- Customer Interest: › 18_011A › Jun › 91 › Engine - Oil Filter Housing O-Ring Inspection
Oil Filter Housing › Component Information › Technical Service Bulletins4 pages
- Customer Interest: › 18_011A › Jun › 91 › Engine - Oil Filter Housing O-Ring Inspection
All Technical Service Bulletins for Oil Filter Housing:2 pages
- All Other Service Bulletins for Oil Filter Housing: › 18_010 › Jun › 90 › Engine - Oil Filter Precaution For Gasket/O-Ring
- Oil Level Warning Indicator › Component Information › Technical Service Bulletins › Instruments - (Oil Level Indicator) Testing & Function2
- Oil Pan, Engine › Component Information › Service and Repair
- Oil Pressure Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
Oil Pressure Sender › Component Information10 pages
- Oil Pump, Engine › Engine Oil Pressure › Component Information › Specifications
- Intake Manifold › Component Information › Specifications2
Seals and Gaskets, Engine11 pages
- Crankshaft Main Bearing Seal › Component Information › Technical Service Bulletins › Front Crankshaft Seal - Replacement
- Cylinder Head Gasket › Component Information › Technical Service Bulletins › Oil Leak Between Cylinder Head and Gasket
- Front Crankshaft Seal › Component Information › Specifications23
- Oil Pan Gasket, Engine › Component Information › Technical Service Bulletins › Oil Pan Gasket Leaky Near Right Front Timing Cover2
- Valve Guide Seal › Component Information › Service and Repair234
Sensors and Switches - Engine › Oil Pressure Sender › Component Information10 pages
Tune-up and Engine Performance Checks26 pages
- Fuel Pressure › System Information › System Diagnosis
Idle Speed › System Information3 pages
- Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
Fuel Filter › Component Information3 pages
- Firing Order › Component Information › Specifications2
- Spark Plug › Component Information › Tools and Equipment
- Valve Clearance › System Information › Specifications2
Vacuum Pump, Diesel › Component Information18 pages
Technical Service Bulletins10 pages
All Technical Service Bulletins for Vacuum Pump:5 pages
- All Other Service Bulletins for Vacuum Pump: › 43_009 › Feb › 91 › Vacuum Pump - Repair Tips (Piston-Type)
- Service and Repair › Double Diaphragm Type2345678
- Water Pump › Component Information › Technical Service Bulletins › Water Pump - Replacement Justification234567891011
Cooling System165 pages
- Auxiliary Water Pump › Component Information › Specifications23
- Coolant Level Sensor › Component Information › Technical Service Bulletins › Brake/Coolant MIL ON & Headlamp Wiper Inop.
- Coolant Reservoir › Component Information › Technical Service Bulletins › Coolant Expansion Tank - Cap Modification2
Radiator Cooling Fan37 pages
Engine - Coolant Temperature Sensor/Switch21 pages
- Coolant Temperature Sensor, Glow Plug › Component Information › Locations
- Auxiliary Fan Switch <--> [Radiator Cooling Fan Temperature Sensor / Switch] › Component Information › Locations › Temperature Switch (105/115 Degree C)2
Temperature Sensor (Gauge) › Component Information10 pages
- Temperature Switch (Warning Indicator) › Component Information › Diagrams › Diagram Information and Instructions2345678
- Heater Control Valve › Component Information › Specifications23456
- Heater Core › Component Information › Technical Service Bulletins › Odors From ACC System in Heating Mode234
- Lamps and Indicators - Cooling System › Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
- Radiator › Component Information › Technical Service Bulletins › Radiator Mounting Console - Update23456
- Radiator Cap › Component Information › Technical Service Bulletins › Coolant Expansion Tank - Cap Modification2
Relays and Modules - Cooling System20 pages
Sensors and Switches - Cooling System22 pages
- Coolant Level Sensor › Component Information › Technical Service Bulletins › Brake/Coolant MIL ON & Headlamp Wiper Inop.
Engine - Coolant Temperature Sensor/Switch21 pages
- Coolant Temperature Sensor, Glow Plug › Component Information › Locations
- Auxiliary Fan Switch <--> [Radiator Cooling Fan Temperature Sensor / Switch] › Component Information › Locations › Temperature Switch (105/115 Degree C)2
Temperature Sensor (Gauge) › Component Information10 pages
- Temperature Switch (Warning Indicator) › Component Information › Diagrams › Diagram Information and Instructions2345678
- Temperature Gauge › Component Information › Diagrams › Diagram Information and Instructions2345678
- Thermostat, Engine Cooling › Component Information › Specifications › Mechanical Specifications2
- Water Pump › Component Information › Technical Service Bulletins › Water Pump - Replacement Justification234567891011
Exhaust System28 pages
Catalytic Converter › Component Information › Technical Service Bulletins8 pages
Continuous Trap Oxidizer, Diesel Emissions › Component Information › Technical Service Bulletins16 pages
- Recalls: › CMP96_1121 › Feb › 97 › Campaign - Oxidation Catalyst Replaces Trap Oxidizer234
All Technical Service Bulletins for Continuous Trap Oxidizer:8 pages
All Other Service Bulletins for Continuous Trap Oxidizer:4 pages
- Exhaust Manifold › Component Information › Service and Repair
- 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