Engine: Technical Service Bulletins

• Recalls
  • Recall 93V067000: Brake Booster Hose Replacement
• Customer Interest
  • Cooling - Water Pump Leak Complaints/Tolerances
  • Engine - Valve Train Noise, Low Oil Pressure
  • Gasoline Engine - Oil Sludging
• By Symptom
  • Abnormal wear/deterioration
    • Air Cleaner - Reinstalling Requirement
    • Engine - Oil Filter Precaution For O-Ring/Gasket
    • Gasoline Engine - Oil Sludging
  • Customer Interest
    • Cooling - Water Pump Leak Complaints/Tolerances
    • Engine - Valve Train Noise, Low Oil Pressure
    • Gasoline Engine - Oil Sludging
  • Driveability
    • Engine - Hesitates/Cuts Out/Quits/Difficult to Start
    • Engine - Long Crank Time Before Start/Misfire/Runs Rough
  • Erratic Shifting
    • Engine - Hesitates/Cuts Out/Quits/Difficult to Start
  • Leaks
    • External Oil Leaks
    • Coolant Loss at Engine Block/Cylinder Head
    • Cooling - Water Pump Leak Complaints/Tolerances
  • Loose
    • Coolant Loss at Engine Block/Cylinder Head
    • Noise from Air Pump Bracket Area
    • Engine - Oil Filter Housing, Loose Return Pipe
  • Noise
    • Noise from Air Pump Bracket Area
    • Engine - Valve Train Noise, Low Oil Pressure
  • Poor performance
    • Engine - Long Crank Time Before Start/Misfire/Runs Rough
  • Recalls
    • Recall 93V067000: Brake Booster Hose Replacement
  • Starting problems
    • Hard Starting, Runs Rough
• All Technical Service Bulletins
  • Engine - Caution Prior to Degreasing
  • Engine - Adding Aluminum Sleeves to Alloy Block Revised
  • Engine - Borescope & Fiberscope Functionality
  • External Oil Leaks
  • Engine - Break-In Oil New and Rebuilt
  • Engine - Warning About Carbon Cleaning
  • Tools - Oil Evacuation Equipment
  • Coolant Loss at Engine Block/Cylinder Head
  • Policy - Fluke Meter Approved
  • Engine - Hesitates/Cuts Out/Quits/Difficult to Start
  • Engine - Long Crank Time Before Start/Misfire/Runs Rough
  • Spark Plugs - Check Heat Range
  • Spark Plug Wrench - Application and Update
  • Ignition - Caution about Spark Plug Wrenches
  • Ignition - Distributor Rotor Reinforced
  • Camshaft Timing Adjuster - Reassembly Procedure
  • Engine - Camshaft Timing Adjuster Reassembly
  • Engine Dies After Cold Start on Accel./Decel.
  • Engine - Timing Chain Tools
    • Overview
    • Installation and Riveting of Timing Chain Procedure
  • Valve Guides - Special Tools for Checking & Replacement
  • Complaint Regarding Bucket Tappet Noise
  • Engine Smokes Excessively After Starting
  • Engine - Determining Cylinder Wall Condition
  • Engine - Cylinder Wall Damage Assesment
  • Water Pump - Production Change
  • Cooling - Water Pump Leak Complaints/Tolerances
  • Water Pump - Drainage Pipe Retrofitting Procedure
    • Overview
    • Models 124, 126 and 201 W/ Engines 601, 602 or 603
    • Model 201 With Engine 102 (Single-Belt Drive)
    • Models 124, 126, 129 and 201 W/ Engines 103/104
    • Model 126 With Engines 116.96/117.96
    • Model 129 With Engine 119.96
  • Water Pump - Replacement Justification
  • Arrythmic Noise at Idle, Coolant Temp. Over 40 Degrees C
  • Ticking Noise While Idling
  • Engine - Upper Timing Chain Guide Rail, Removal Tool
  • Timing Chain Guide - Tool
  • Air Cleaner - Reinstalling Requirement
  • Engine - Hard Start, Long Cranking Time, Cuts Out
  • Recall 93V067000: Brake Booster Hose Replacement
  • Noise from Air Pump Bracket Area
  • Vehicle - New Dealer Technical Bulletin
  • Engine - Oil Filter Precaution For O-Ring/Gasket
  • Oil Filter - Modified Wrench
  • Engine Block Heater - Installation/Cable
    • Overview
    • A - Work Instructions
    • B - Work Instructions
    • C - Work Instructions
  • Engine - Block Heater Installation
    • Overview
    • Work Instructions
      • A. Models With Engines 103, 104
      • B. Engine 119 (Model 500SL)
      • C. Engines 602.962, 603.970 (300D 2.5, 350SD/SDL Turbo)
  • Main Bearings - Cross Reference
  • Camshaft - Freeze Plug Replacement Tool
  • Engine Oil Leaks at Right, Formation of Droplets
  • Oil Exits at Rear End Cap
  • Maintenance - Factory Approved Service Products
    • Overview
    • General Information
    • Engine Oil
    • Other Lubricants and Fluids
    • Fuel Requirements
      • 1. Gasoline Engines
      • 2. Diesel Engines
  • Computer Control Systems - Diagnostic Analyzers
  • Engine Emits Large Quantities of Blue Smoke
  • Engine - Oil Level Checking Procedure Revised
  • Oil - Engine Oil Test Sheets for Measuring Consumption
    • Overview
    • General Information
    • Test Sheets
      • Engines 104.980/981
      • Engine 104.990
      • Engine 119.970/971
      • Engines 119.960/972/974/975
      • Engine 120.980
      • Engine 603.970
      • Engine 603.971
  • Oils & Fluids - Factory Approved Products
  • Engine Oil - Approved Evacuation Equipment
    • Overview
    • FLACO (Oil Evacuation Equipment)
    • RAASM (Oil Evacuation Equipment)
    • BDM (Oil Evacuation Equipment)
    • Deutsche Tecalemit (DT) (Oil Evacuation Equipment)
  • Valve - Tool Modification
  • Valve Spring Compressor - Modifications
  • Valve Springs - Tool Kit for Removing/Installing
    • Overview
    • Operating Instructions
  • Engine - Universal Valve Spring Remover/Installer
    • Overview
    • Operating Instructions
  • Tools - Universal Valve Spring Tool
    • Overview
    • Operating Instructions
  • Special Tool - Universal Valve Spring Tool
    • Overview
    • Operating Instructions
  • Engine - Oil Filter Housing, Loose Return Pipe
  • Loud Rattling Noise During Cold Start
  • Ignition System - Wires with Crimp-On terminals
  • Low Oil Level Lamp Comes ON, Oil Level OK
  • Engine - Valve Train Noise, Low Oil Pressure
  • Engine - Oil Evacuation Equipment
  • Gasoline Engine - Oil Sludging
  • Hard Starting, Runs Rough
  • Engine - Caution When Installing Head Bolts
  • Engine is Difficult to Start When Warm