Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - CLK350 Cabriolet (209.456)
  • DTC Index
    • DTC Index - Electronic Selector Lever (Version 203)
    • DTC Index - Engine Controls (Me9.7) - Engine 272
    • 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
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Anti-Theft Systems
    • Anti-Theft & Central Locking System -- CLK350 Cabriolet (209.456)
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
  • Collision/Avoidance
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Communication Devices
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Cruise Control Systems
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Throttle Control, Speed Control Systems -- CLK350 Cabriolet (209.456)
  • Entertainment Systems
    • Aux Socket, COMAND & Entertainment -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Entertainment & Illuminated Door Sill Moulding -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • Entertainment & Phone -- Retrofitting & Conversion -- CLK 350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
  • Exterior Lights
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Lighting & Washer System -- Maintenance -- CLK350 Cabriolet (209.456)
  • Gauges & Instrument Panels
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Headlights
    • Electrical System -- Safety Precautions -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Fiber Optics, Headlights & Wiper/Washers -- General Information -- CLK350 Cabriolet (209.456)
    • Lighting & Washer System -- Maintenance -- CLK350 Cabriolet (209.456)
  • Heated Glass/Defoggers
    • Windows -- CLK350 Cabriolet (209.456)
  • Horns
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- CLK350 Cabriolet (209.456)
  • Infotainment
    • Aux Socket, COMAND & Entertainment -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Entertainment & Illuminated Door Sill Moulding -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • Entertainment & Phone -- Retrofitting & Conversion -- CLK 350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
  • Interior/Exterior Trim
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Interior/Illumination Lights
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Entertainment & Illuminated Door Sill Moulding -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Lighting & Washer System -- Maintenance -- CLK350 Cabriolet (209.456)
  • Mirrors
    • Detachable Body Components -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Seats, Restraint System -- CLK350 Cabriolet (209.456)
  • Steering Column Switches
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Warning Systems
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Window Motors & Regulators
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Windows -- CLK350 Cabriolet (209.456)
  • Wiper/Washer Systems
    • Electrical System -- Safety Precautions -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Fiber Optics, Headlights & Wiper/Washers -- General Information -- CLK350 Cabriolet (209.456)
    • Lighting & Washer System -- Maintenance -- CLK350 Cabriolet (209.456)
    • Windshield Wiper -- Test & Adjustment Values -- CLK350 Cabriolet (209.456)
    • Wiper/Washer System -- Capacities & Specifications -- CLK350 Cabriolet (209.456)
• Body & Frame
  • Door Locks
    • Anti-Theft & Central Locking System -- CLK350 Cabriolet (209.456)
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Electrical System -- Testing & Repair -- CLK350 Cabriolet (209.456)
  • Exterior Body Panels
    • Body - CLK350 Cabriolet (209.456)
    • Body Sealing, Corrosion Protection -- CLK350 Cabriolet (209.456)
    • Detachable Body Components -- CLK350 Cabriolet (209.456)
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Front End & Fire Wall -- CLK350 Cabriolet (209.456)
    • Paintwork -- CLK350 Cabriolet (209.456)
    • Rear Wall & Rear End -- CLK350 Cabriolet (209.456)
    • Roof -- CLK350 Cabriolet (209.456)
    • Side Wall -- CLK350 Cabriolet (209.456)
    • Substructure -- CLK350 Cabriolet (209.456)
  • Exterior/Interior Trim
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Frames, Subframes & Crossmembers
    • Frame, Trailer Operation -- CLK350 Cabriolet (209.456)
    • Substructure -- CLK350 Cabriolet (209.456)
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- CLK350 Cabriolet (209.456)
  • Mirrors
    • Detachable Body Components -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Paint & Coatings
    • Paintwork -- CLK350 Cabriolet (209.456)
  • Seats, Restraint System -- CLK350 Cabriolet (209.456)
  • Sun Roof/T-Top/Convertible Top
    • Detachable Body Components -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
    • Sliding Roof, Soft Top -- CLK350 Cabriolet (209.456)
  • Towing Systems
    • Frame, Trailer Operation -- CLK350 Cabriolet (209.456)
  • Windows
    • Doors & Windows -- CLK350 Cabriolet (209.456)
    • Windows -- CLK350 Cabriolet (209.456)
• Brakes
  • Mechanical - Hydraulic
    • Brakes -- CLK 350 Cabriolet (209.456)
    • Brakes -- Pneumatic System -- CLK 350 Cabriolet (209.456)
• Collision
  • Body Panels
    • Front End & Fire Wall -- CLK350 Cabriolet (209.456)
    • Rear Wall & Rear End -- CLK350 Cabriolet (209.456)
    • Roof -- CLK350 Cabriolet (209.456)
    • Side Wall -- CLK350 Cabriolet (209.456)
  • Dimensions
    • Body - CLK350 Cabriolet (209.456)
  • General Collision Information
    • Body - CLK350 Cabriolet (209.456)
    • Body Sealing, Corrosion Protection -- CLK350 Cabriolet (209.456)
    • Front End & Fire Wall -- CLK350 Cabriolet (209.456)
    • Rear Wall & Rear End -- CLK350 Cabriolet (209.456)
    • Roof -- CLK350 Cabriolet (209.456)
  • Sealing & Corrosion Protection
    • Body Sealing, Corrosion Protection -- CLK350 Cabriolet (209.456)
• Drivelines & Axles
  • Axle Shafts
    • Rear Axle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Special Tools -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Test & Adjustment Values -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Testing & Repair -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Torque Specifications -- CLK 350 Cabriolet (209.456)
  • Differentials & Drive Axles
    • Front Axle -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Special Tools -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Test & Adjustment Values -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Testing & Repair -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Torque Specifications -- CLK 350 Cabriolet (209.456)
  • Driveshaft & Universal Joints
    • Propeller Shaft -- CLK 350 Cabriolet (209.456)
  • Wheel Hubs
    • Front Axle -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Special Tools -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Test & Adjustment Values -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Testing & Repair -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Torque Specifications -- CLK 350 Cabriolet (209.456)
• Electrical
  • Body Electrical
    • Aux Socket, COMAND & Entertainment -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System -- Safety Precautions -- CLK350 Cabriolet (209.456)
    • Electrical System -- Special Tools -- Body -- CLK 350 Cabriolet (209.456)
    • Electrical System -- Torque Specifications -- Body -- CLK 350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Fiber Optics, Headlights & Wiper/Washers -- General Information -- CLK350 Cabriolet (209.456)
    • OEM Connector End Views -- 209 Chassis
  • Charging Systems
    • Electrical System -- Engine -- CLK 350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Gauges
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Interior Equipment -- CLK350 Cabriolet (209.456)
  • Horns
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
  • Motors, Switches, Relays
    • Aux Socket, COMAND & Entertainment -- Retrofitting & Conversion -- CLK350 Cabriolet (209.456)
    • COMAND, Displays, Entertainment, Emergency & Navigation -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Electrical System -- Safety Precautions -- CLK350 Cabriolet (209.456)
    • Electrical System -- Special Tools -- Body -- CLK 350 Cabriolet (209.456)
    • Electrical System -- Torque Specifications -- Body -- CLK 350 Cabriolet (209.456)
    • Electrical System, Equipment & Instructions -- CLK350 Cabriolet (209.456)
    • Entertainment, Lighting, Navigation, Network & Wiper/Washer -- Basic Knowledge -- CLK350 Cabriolet (209.456)
    • Fiber Optics, Headlights & Wiper/Washers -- General Information -- CLK350 Cabriolet (209.456)
    • OEM Connector End Views -- 209 Chassis
  • Starter
    • Electrical System -- Engine -- CLK 350 Cabriolet (209.456)
  • Wiring Diagrams
    • OEM Connector End Views -- 209 Chassis
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Belt & Belt Drives -- CLK 350 Cabriolet (209.456)
  • Auxiliary Emission Control Systems
    • Exhaust Manifolds, Emission Control -- CLK 350 Cabriolet (209.456)
  • Blowers, Superchargers & Turbochargers
    • Air Intake, Turbo Charging -- CLK 350 Cabriolet (209.456)
  • Cooling System (Mechanical)
    • Electrical System -- Safety Precautions -- CLK350 Cabriolet (209.456)
    • Engine Cooling System -- CLK 350 Cabriolet (209.456)
  • Exhaust
    • Exhaust Manifolds, Emission Control -- CLK 350 Cabriolet (209.456)
    • Exhaust System -- CLK 350 Cabriolet (209.456)
  • Fuel System
    • Fuel System -- CLK 350 Cabriolet (209.456)
    • Mixture Formation -- CLK 350 Cabriolet (209.456)
  • Lubrication System
    • Lubrication, Oil Cooling -- CLK 350 Cabriolet (209.456)
  • Mechanical
    • Air Intake, Turbo Charging -- CLK 350 Cabriolet (209.456)
    • Complete Engine -- CLK 350 Cabriolet (209.456)
    • Crank Assembly -- CLK 350 Cabriolet (209.456)
    • Engine Suspension -- CLK 350 Cabriolet (209.456)
    • Engine Timing -- CLK 350 Cabriolet (209.456)
    • Special Engine Equipment -- CLK 350 Cabriolet (209.456)
  • Starter
    • Electrical System -- Engine -- CLK 350 Cabriolet (209.456)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System -- CLK 350 Cabriolet (209.456)
    • Mixture Formation -- CLK 350 Cabriolet (209.456)
  • Ignition System
    • Electrical System -- Engine -- CLK 350 Cabriolet (209.456)
    • Mixture Formation -- CLK 350 Cabriolet (209.456)
  • Mode 6
  • Specifications
    • Firing Order & Cylinder Identification
  • Star Diagnostic System -- CLK 350 Cabriolet (209.456)
  • Testing & Diagnosis
    • Star Diagnostic System -- CLK 350 Cabriolet (209.456)
  • Tune-Up
    • Electrical System -- Engine -- CLK 350 Cabriolet (209.456)
    • Mixture Formation -- CLK 350 Cabriolet (209.456)
• 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 272
    • 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
    • Emergency Equipment -- CLK 350 Cabriolet (209.456)
    • MERCEDES-BENZ Model Identification
    • OEM Repair Information User Information -- CLK 350 Cabriolet (209.456)
    • Overall Vehicle -- Basic Knowledge -- CLK 350 Cabriolet (209.456) - 1 Of 2
    • Overall Vehicle -- Basic Knowledge -- CLK 350 Cabriolet (209.456) - 2 Of 2
    • Overall Vehicle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456) - 1 Of 2
    • Overall Vehicle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456) - 2 Of 2
    • Overall Vehicle -- General Information -- CLK 350 Cabriolet (209.456)
    • Overall Vehicle -- Safety Precautions -- CLK 350 Cabriolet (209.456)
    • Overall Vehicle -- Special Tools -- CLK 350 Cabriolet (209.456) - 1 Of 2
    • Overall Vehicle -- Special Tools -- CLK 350 Cabriolet (209.456) - 2 Of 2
    • Overall Vehicle -- Test & Adjustment Values -- CLK 350 Cabriolet (209.456)
    • Overall Vehicle -- Testing & Repair -- CLK 350 Cabriolet (209.456)
    • Overall Vehicle -- Tightening Torques -- CLK 350 Cabriolet (209.456)
    • Tools -- CLK 350 Cabriolet (209.456)
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - CLK350 Cabriolet (209.456)
  • 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
    • Belt & Belt Drives -- CLK 350 Cabriolet (209.456)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Climate Control -- CLK 350 Cabriolet (209.456)
• Maintenance
  • Procedures
    • Maintenance -- CLK 350 Cabriolet (209.456)
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Seats, Restraint System -- CLK350 Cabriolet (209.456)
  • Restraints Control Systems
    • Seats, Restraint System -- CLK350 Cabriolet (209.456)
  • Seat Belts
    • Seats, Restraint System -- CLK350 Cabriolet (209.456)
• Steering
  • Manual Steering
    • Steering -- CLK 350 Cabriolet (209.456)
  • Power Steering
    • Steering -- CLK 350 Cabriolet (209.456)
• Suspension
  • Front Suspension
    • Front Axle -- CLK 350 Cabriolet (209.456)
    • Suspension -- CLK 350 Cabriolet (209.456)
  • Rear Suspension
    • Rear Axle -- Capacities & Specifications -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Special Tools -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Test & Adjustment Values -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Testing & Repair -- CLK 350 Cabriolet (209.456)
    • Rear Axle -- Torque Specifications -- CLK 350 Cabriolet (209.456)
    • Suspension -- CLK 350 Cabriolet (209.456)
  • Wheel Alignment
    • Wheels, Chassis Alignment Check -- CLK 350 Cabriolet (209.456)
  • Wheels & Tire System
    • Wheels, Chassis Alignment Check -- CLK 350 Cabriolet (209.456)
• Transmission
  • Automatic Transmission -- CLK 350 Cabriolet (209.456)