Repair and Diagnosis

You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.
View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)

Expand All (for easy ctrl-f) Collapse All

• Quick Lookups
  • Common Specs & Procedures - CLK550 Coupe (209.372)
  • DTC Index
    • DTC Index - Electronic Selector Lever (Version 203)
    • DTC Index - Engine Controls (Me9.7) - Engine 273
    • DTC Index - Transmission 722.9 (Etc2 As Of 2003)
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views -- 209 Chassis
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Accessories Control Systems
    • Interior Equipment -- CLK550 Coupe (209.372)
  • Anti-Theft Systems
    • Anti-Theft & Central Locking System -- CLK550 Coupe (209.372)
    • Doors & Windows -- CLK550 Coupe (209.372)
  • Collision/Avoidance
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Communication Devices
    • COMAND, Emergency, Entertainment, Phone, & Navigation -- Basic Knowledge - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Cruise Control Systems
    • Throttle Control, Speed Control Systems -- CLK550 Coupe (209.372)
  • Entertainment Systems
    • Aux Socket, COMAND, Entertainment & Navigation -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • COMAND, Emergency, Entertainment, Phone, & Navigation -- Basic Knowledge - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Illuminated Door Sill & Phone -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Entertainment, Phone, Lighting & Wiper/Washer -- Testing & Repair -- CLK550 Coupe (209.372)
  • Exterior Lights
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Entertainment, Phone, Lighting & Wiper/Washer -- Testing & Repair -- CLK550 Coupe (209.372)
    • Lighting & Wiper/Washer -- Maintenance -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
  • Gauges & Instrument Panels
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
  • Headlights
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Entertainment, Phone, Lighting & Wiper/Washer -- Testing & Repair -- CLK550 Coupe (209.372)
    • Lighting & Wiper/Washer -- Maintenance -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
  • Heated Glass/Defoggers
    • Windows -- CLK550 Coupe (209.372)
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- CLK550 Coupe (209.372)
  • Infotainment
    • Antenna & Wiper/Washer -- Torque Specifications -- CLK550 Coupe (209.372)
    • Aux Socket, COMAND, Entertainment & Navigation -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • COMAND, Emergency, Entertainment, Phone, & Navigation -- Basic Knowledge - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Illuminated Door Sill & Phone -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Entertainment, Phone, Lighting & Wiper/Washer -- Testing & Repair -- CLK550 Coupe (209.372)
  • Interior/Exterior Trim
    • Detachable Body Components - 209 Chassis
    • Detachable Body Components -- CLK550 Coupe (209.372)
    • Doors & Windows -- CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
    • Scrapping Gas-Filled Hydraulic Components -- CLK550 Coupe (209.372)
  • Interior/Illumination Lights
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Illuminated Door Sill & Phone -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Lighting & Wiper/Washer -- Maintenance -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
  • Memory Modules
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Mirrors
    • Detachable Body Components - 209 Chassis
    • Detachable Body Components -- CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
  • Seats, Restraint Systems -- CLK550 Coupe (209.372)
  • Steering Column Switches
    • COMAND, Emergency, Entertainment, Phone, & Navigation -- Basic Knowledge - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Warning Systems
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Window Motors & Regulators
    • Doors & Windows -- CLK550 Coupe (209.372)
    • Windows -- CLK550 Coupe (209.372)
  • Wiper/Washer Systems
    • Antenna & Wiper/Washer -- Torque Specifications -- CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge - CLK550 Coupe (209.372)
    • Entertainment, Phone, Lighting & Wiper/Washer -- Testing & Repair -- CLK550 Coupe (209.372)
    • Lighting & Wiper/Washer -- Maintenance -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
    • Windshield Washer System -- Capacities & Specifications - CLK550 Coupe (209.372)
    • Wiper/Washer - Adjustment Values -- CLK550 Coupe (209.372)
• Body & Frame
  • Door Locks
    • Anti-Theft & Central Locking System -- CLK550 Coupe (209.372)
    • Doors & Windows -- CLK550 Coupe (209.372)
  • Exterior Body Panels
    • Body - CLK550 Coupe (209.372)
    • Body Sealing, Corrosion Protection -- CLK550 Coupe (209.372)
    • Detachable Body Components - 209 Chassis
    • Detachable Body Components -- CLK550 Coupe (209.372)
    • Doors & Windows -- CLK550 Coupe (209.372)
    • Front End & Fire Wall -- CLK550 Coupe (209.372)
    • Paintwork -- CLK550 Coupe (209.372)
    • Rear Wall & Rear End -- CLK550 Coupe (209.372)
    • Roof -- CLK550 Coupe (209.372)
    • Side Wall -- CLK550 Coupe (209.372)
    • Substructure -- CLK550 Coupe (209.372)
  • Exterior/Interior Trim
    • Detachable Body Components - 209 Chassis
    • Detachable Body Components -- CLK550 Coupe (209.372)
    • Doors & Windows -- CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
    • Scrapping Gas-Filled Hydraulic Components -- CLK550 Coupe (209.372)
  • Frames, Subframes & Crossmembers
    • Frame, Trailer Operation -- CLK550 Coupe (209.372)
    • Substructure -- CLK550 Coupe (209.372)
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- CLK550 Coupe (209.372)
  • Mirrors
    • Detachable Body Components - 209 Chassis
    • Detachable Body Components -- CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
  • Paint & Coatings
    • Paintwork -- CLK550 Coupe (209.372)
  • Seats, Restraint Systems -- CLK550 Coupe (209.372)
  • Sun Roof/T-Top/Convertible Top
    • Interior Equipment -- CLK550 Coupe (209.372)
    • Sliding Roof, Soft Top -- CLK550 Coupe (209.372)
  • Towing Systems
    • Frame, Trailer Operation -- CLK550 Coupe (209.372)
  • Windows
    • Doors & Windows -- CLK550 Coupe (209.372)
    • Windows -- CLK550 Coupe (209.372)
• Brakes
  • Mechanical - Hydraulic
    • Brake Booster Vacuum Line -- 209 Chassis
    • Brakes - Pneumatic System - CLK550 Coupe (209.372)
    • Brakes -- CLK550 Coupe (209.372)
    • ESC Control Unit Wiring Harness Coupling -- Repair - 209 Chassis
    • Pedal Assembly - 209 Chassis
• Collision
  • Body Panels
    • Front End & Fire Wall -- CLK550 Coupe (209.372)
    • Rear Wall & Rear End -- CLK550 Coupe (209.372)
    • Roof -- CLK550 Coupe (209.372)
    • Side Wall -- CLK550 Coupe (209.372)
  • Dimensions
    • Body - CLK550 Coupe (209.372)
  • General Collision Information
    • Body - CLK550 Coupe (209.372)
    • Body Sealing, Corrosion Protection -- CLK550 Coupe (209.372)
    • Front End & Fire Wall -- CLK550 Coupe (209.372)
    • Rear Wall & Rear End -- CLK550 Coupe (209.372)
    • Roof -- CLK550 Coupe (209.372)
    • Side Wall -- CLK550 Coupe (209.372)
  • Sealing & Corrosion Protection
    • Body Sealing, Corrosion Protection -- CLK550 Coupe (209.372)
• Drivelines & Axles
  • Axle Shafts
    • Rear Axle -- Capacities & Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Component Modifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Special Tools -- CLK550 Coupe (209.372)
    • Rear Axle -- Test & Adjustment Values -- CLK550 Coupe (209.372)
    • Rear Axle -- Testing & Repair -- CLK550 Coupe (209.372)
    • Rear Axle -- Torque Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Trouble Diagnosis -- 209 Chassis
  • Differentials & Drive Axles
    • Front Axle -- CLK550 Coupe (209.372)
    • Rear Axle -- Capacities & Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Component Modifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Special Tools -- CLK550 Coupe (209.372)
    • Rear Axle -- Test & Adjustment Values -- CLK550 Coupe (209.372)
    • Rear Axle -- Testing & Repair -- CLK550 Coupe (209.372)
    • Rear Axle -- Torque Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Trouble Diagnosis -- 209 Chassis
  • Driveshaft & Universal Joints
    • Propeller Shaft -- CLK550 Coupe (209.372)
  • Wheel Hubs
    • Front Axle -- CLK550 Coupe (209.372)
    • Rear Axle -- Capacities & Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Component Modifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Special Tools -- CLK550 Coupe (209.372)
    • Rear Axle -- Test & Adjustment Values -- CLK550 Coupe (209.372)
    • Rear Axle -- Testing & Repair -- CLK550 Coupe (209.372)
    • Rear Axle -- Torque Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Trouble Diagnosis -- 209 Chassis
• Electrical
  • Body Electrical
    • Aux Socket, COMAND, Entertainment & Navigation -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Electrical System -- Safety Precautions -- Body - CLK550 Coupe (209.372)
    • Electrical System -- Special Tools -- Body - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Illuminated Door Sill & Phone -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
    • OEM Connector End Views -- 209 Chassis
  • Charging Systems
    • Electrical System - Engine -- CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Fuse & Circuit Breakers - 209 Chassis
  • Gauges
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Interior Equipment -- CLK550 Coupe (209.372)
  • Motors, Switches, Relays
    • Aux Socket, COMAND, Entertainment & Navigation -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Electrical System -- Safety Precautions -- Body - CLK550 Coupe (209.372)
    • Electrical System -- Special Tools -- Body - CLK550 Coupe (209.372)
    • Electrical System, Equipment & Instruments - CLK550 Coupe (209.372)
    • Entertainment, Illuminated Door Sill & Phone -- Retrofitting & Conversion -- CLK550 Coupe (209.372)
    • Lighting, Optical Fibers & Wiper/Washer -- General Information -- CLK550 Coupe (209.372)
    • OEM Connector End Views -- 209 Chassis
  • Starter
    • Electrical System - Engine -- CLK550 Coupe (209.372)
  • Wiring Diagrams
    • OEM Connector End Views -- 209 Chassis
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Air Compressor, Belt Drives -- CLK550 Coupe (209.372)
  • Auxiliary Emission Control Systems
    • Exhaust Manifolds, Emission Control -- CLK550 Coupe (209.372)
  • Blowers, Superchargers & Turbochargers
    • Air Intake, Turbo Charging -- CLK550 Coupe (209.372)
  • Cooling System (Mechanical)
    • Engine Cooling System -- CLK550 Coupe (209.372)
  • Exhaust
    • Exhaust Manifolds, Emission Control -- CLK550 Coupe (209.372)
    • Exhaust System -- CLK550 Coupe (209.372)
  • Fuel System
    • Fuel System -- CLK550 Coupe (209.372)
    • Mixture Formation -- CLK550 Coupe (209.372)
  • Lubrication System
    • Lubrication, Oil Cooling -- CLK550 Coupe (209.372)
  • Mechanical
    • Air Intake, Turbo Charging -- CLK550 Coupe (209.372)
    • Complete Engine -- CLK550 Coupe (209.372)
    • Crank Assembly -- CLK550 Coupe (209.372)
    • Engine Suspension -- CLK550 Coupe (209.372)
    • Engine Timing -- CLK550 Coupe (209.372)
    • Special Engine Equipment -- CLK550 Coupe (209.372
  • Starter
    • Electrical System - Engine -- CLK550 Coupe (209.372)
• Engine Performance
  • Emissions
    • EGR Function Testing - MERCEDES-BENZ
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System -- CLK550 Coupe (209.372)
    • Mixture Formation -- CLK550 Coupe (209.372)
  • Ignition System
    • Electrical System - Engine -- CLK550 Coupe (209.372)
    • Mixture Formation -- CLK550 Coupe (209.372)
  • Mode 6
  • Specifications
    • Firing Order & Cylinder Identification
  • Star Diagnosis System -- CLK550 Coupe (209.372)
  • Testing & Diagnosis
    • Star Diagnosis System -- CLK550 Coupe (209.372)
  • Tune-Up
    • Electrical System - Engine -- CLK550 Coupe (209.372)
    • Mixture Formation -- CLK550 Coupe (209.372)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • OBD-II Drive Cycles
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
    • DTC Index - Electronic Selector Lever (Version 203)
    • DTC Index - Engine Controls (Me9.7) - Engine 273
    • DTC Index - Transmission 722.9 (Etc2 As Of 2003)
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Identification
    • CANADIAN Model Cross-Reference
    • Euro English-To-U.S. Translations
    • MERCEDES-BENZ Model Identification
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Electrical System -- Safety Precautions -- Body - CLK550 Coupe (209.372)
    • MERCEDES-BENZ Model Identification
    • OEM MERCEDES User Information -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Basic Knowledge -- CLK550 Coupe (209.372) - 1 Of 2
    • Overall Vehicle -- Basic Knowledge -- CLK550 Coupe (209.372) - 2 Of 2
    • Overall Vehicle -- Capacities & Specifications -- CLK550 Coupe (209.372) - 1 Of 3
    • Overall Vehicle -- Capacities & Specifications -- CLK550 Coupe (209.372) - 2 Of 3
    • Overall Vehicle -- Capacities & Specifications -- CLK550 Coupe (209.372) - 3 Of 3
    • Overall Vehicle -- General Information -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Retrofitting & Conversion -- CLK550 Coupe (209.372) - 1 Of 2
    • Overall Vehicle -- Retrofitting & Conversion -- CLK550 Coupe (209.372) - 2 Of 2
    • Overall Vehicle -- Safety Precautions -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Shop-Made Tools -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Special Tools -- CLK550 Coupe (209.372) (1 Of 2)
    • Overall Vehicle -- Special Tools -- CLK550 Coupe (209.372) (2 Of 2)
    • Overall Vehicle -- Test & Adjustment Values -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Testing & Repair -- CLK550 Coupe (209.372)
    • Overall Vehicle -- Torque Specifications -- CLK550 Coupe (209.372)
    • Tools -- CLK550 Coupe (209.372)
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - CLK550 Coupe (209.372)
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • A/C Compressor
    • Air Compressor, Belt Drives -- CLK550 Coupe (209.372)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Climate Control -- CLK550 Coupe (209.372)
• Maintenance
  • Procedures
    • Maintenance -- CLK550 Coupe (209.372)
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Seats, Restraint Systems -- CLK550 Coupe (209.372)
  • Restraints Control Systems
    • Seats, Restraint Systems -- CLK550 Coupe (209.372)
  • Seat Belts
    • Seats, Restraint Systems -- CLK550 Coupe (209.372)
• Steering
  • Manual Steering
    • Steering -- CLK550 Coupe (209.372)
  • Power Steering
    • Steering -- CLK550 Coupe (209.372)
• Suspension
  • Front Suspension
    • Front Axle -- CLK550 Coupe (209.372)
    • Suspension -- CLK550 Coupe (209.372)
  • Rear Suspension
    • Rear Axle -- Capacities & Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Component Modifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Special Tools -- CLK550 Coupe (209.372)
    • Rear Axle -- Test & Adjustment Values -- CLK550 Coupe (209.372)
    • Rear Axle -- Testing & Repair -- CLK550 Coupe (209.372)
    • Rear Axle -- Torque Specifications -- CLK550 Coupe (209.372)
    • Rear Axle -- Trouble Diagnosis -- 209 Chassis
    • Suspension -- CLK550 Coupe (209.372)
  • Wheel Alignment
    • Wheels, Chassis Alignment Check -- CLK550 Coupe (209.372)
  • Wheels & Tire System
    • Wheels, Chassis Alignment Check -- CLK550 Coupe (209.372)
• Transmission
  • Automatic Transmission -- CLK550 Coupe (209.372)
  • Clutch
    • Pedal Assembly - 209 Chassis
• External Pages