Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - Cl63
  • DTC Index
    • DTC Index - Electronic Selector Lever (Ism)
    • DTC Index - Engine Controls (Me9.7 AMG) - Engine 156
    • DTC Index - Fuel Controls (FSCU6/Tank)
    • DTC Index - Transmission 722.9 (Etc2 As Of 2003)
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views -- 216 Chassis
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Anti-Theft & Central Locking System -- Cl63
    • Doors & Windows -- Cl63
  • Collision/Avoidance
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
  • Communication Devices
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • COMAND, Entertainment & Navigation -- Basic Knowledge -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
  • Cruise Control Systems
    • Throttle Control, Speed Control Systems -- Cl63
  • Drivers Assistance Systems - ADAS
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
  • Entertainment Systems
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • COMAND, Entertainment & Navigation -- Basic Knowledge -- Cl63
    • Door Sill Moulding & Entertainment - Retrofit - Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
  • Exterior Lights
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Lighting - General Information - Cl63
    • Lighting & Wiper/Washers -- Cl63
  • Gauges & Instrument Panels
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
  • Headlights
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Fluids, Lighting & Wiper/Washers -- Safety Precautions -- Cl63
    • Lighting - General Information - Cl63
    • Lighting & Wiper/Washers -- Cl63
  • Heated Glass/Defoggers
    • Windows -- Cl63
  • Horns
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- Cl63
  • Infotainment
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • COMAND, Entertainment & Navigation -- Basic Knowledge -- Cl63
    • Door Sill Moulding & Entertainment - Retrofit - Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
  • Interior/Exterior Trim
    • Cup Holder, Refrigerator & Ski Bag - Retrofitting & Conversion - Cl63
    • Detachable Body Components -- Cl63
    • Doors & Windows -- Cl63
    • Interior Equipment -- Cl63
    • Refrigerator Box & Ski Bag -- Retrofitting & Conversion -- Cl63
  • Interior/Illumination Lights
    • Door Sill Moulding & Entertainment - Retrofit - Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Lighting - General Information - Cl63
    • Lighting & Wiper/Washers -- Cl63
  • Mirrors
    • Detachable Body Components -- Cl63
    • Interior Equipment -- Cl63
  • Seats
    • Seats, Restraint Systems -- Basic Knowledge -- Cl63
    • Seats, Restraint Systems -- OEM Wiring Diagrams And Function Schematics -- Cl63
    • Seats, Restraint Systems -- Safety Precautions -- Cl63
    • Seats, Restraint Systems -- Special Tools -- Cl63
    • Seats, Restraint Systems -- Testing & Repair -- Cl63
    • Seats, Restraint Systems -- Torque Specifications -- Cl63
  • Steering Column Switches
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
  • Window Motors & Regulators
    • Doors & Windows -- Cl63
    • Windows -- Cl63
  • Wiper/Washer Systems
    • Axle Level Sensor & Wipers/Washers -- Torque Specifications -- Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Entertainment, Lighting & Wipers/Washers - Basic Knowledge - Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Fluids, Lighting & Wiper/Washers -- Safety Precautions -- Cl63
    • Lighting & Wiper/Washers -- Cl63
    • Washer Capacities -- Cl63
    • Wiper Arm -- Test & Adjustment Values -- Cl63
• Body & Frame
  • Door Locks
    • Anti-Theft & Central Locking System -- Cl63
    • Doors & Windows -- Cl63
  • Exterior Body Panels
    • Body
    • Body Sealing, Corrosion Protection -- Cl63
    • Detachable Body Components -- Cl63
    • Doors & Windows -- Cl63
    • Front End & Fire Wall
    • Paintwork -- Cl63
    • Rear Wall & Rear End
    • Roof
    • Side Wall
    • Substructure -- Cl63
  • Exterior/Interior Trim
    • Cup Holder, Refrigerator & Ski Bag - Retrofitting & Conversion - Cl63
    • Detachable Body Components -- Cl63
    • Doors & Windows -- Cl63
    • Interior Equipment -- Cl63
    • Refrigerator Box & Ski Bag -- Retrofitting & Conversion -- Cl63
  • Frames, Subframes & Crossmembers
    • Frame, Trailer Operation -- Cl63
    • Substructure -- Cl63
  • Ignition Switch/Steering Lock
    • Anti-Theft & Central Locking System -- Cl63
  • Mirrors
    • Detachable Body Components -- Cl63
    • Interior Equipment -- Cl63
  • Paint & Coatings
    • Paintwork -- Cl63
  • Seats
    • Seats, Restraint Systems -- Basic Knowledge -- Cl63
    • Seats, Restraint Systems -- OEM Wiring Diagrams And Function Schematics -- Cl63
    • Seats, Restraint Systems -- Safety Precautions -- Cl63
    • Seats, Restraint Systems -- Special Tools -- Cl63
    • Seats, Restraint Systems -- Testing & Repair -- Cl63
    • Seats, Restraint Systems -- Torque Specifications -- Cl63
  • Sun Roof/T-Top/Convertible Top
    • Sliding Roof & Soft Top -- Cl63
  • Towing Systems
    • Frame, Trailer Operation -- Cl63
  • Windows
    • Doors & Windows -- Cl63
    • Windows -- Cl63
• Brakes
  • Mechanical - Hydraulic
    • Brakes - Pneumatic System -- Cl63
    • Brakes -- Cl63
    • Pedal Assembly -- Cl63
• Collision
  • Body Panels
    • Front End & Fire Wall
    • Rear Wall & Rear End
    • Roof
    • Side Wall
  • Dimensions
    • Body
  • General Collision Information
    • Body
    • Body Sealing, Corrosion Protection -- Cl63
    • Front End & Fire Wall
    • Rear Wall & Rear End
    • Roof
    • Side Wall
  • Sealing & Corrosion Protection
    • Body Sealing, Corrosion Protection -- Cl63
• Drivelines & Axles
  • Axle Shafts
    • Front Axle -- Cl63
    • Rear Axle -- Cl63
  • Differentials & Drive Axles
    • Front Axle -- Cl63
    • Rear Axle -- Cl63
  • Driveshaft & Universal Joints
    • Propeller Shaft -- Cl63
  • Wheel Hubs
    • Front Axle -- Cl63
    • Rear Axle -- Cl63
• Electrical
  • Body Electrical
    • Battery & Electrical System -- Safety Precautions -- Cl63
    • Battery, Control Unit Programming & Precautions -- General Information -- Cl63
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • Connectors & Wiring -- Testing & Repair -- Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
    • OEM Connector End Views -- 216 Chassis
    • Overall Vehicle -- General Information -- Cl63
  • Charging Systems
    • Battery & Electrical System -- Safety Precautions -- Cl63
    • Battery, Control Unit Programming & Precautions -- General Information -- Cl63
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Electrical System - Engine -- Cl63
  • Component Locations
    • Diagnostic Connector (DLC) Locations
  • Fuses & Circuit Breakers
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
  • Gauges
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
  • Horns
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
  • Motors, Switches, Relays
    • Battery & Electrical System -- Safety Precautions -- Cl63
    • Battery, Control Unit Programming & Precautions -- General Information -- Cl63
    • Battery, Entertainment, Control Units, Fuse & Relay Box, - Test & Adjustment - Cl63
    • Battery, Fuse & Relay Box - Torque Specifications -- Cl63
    • Collision Avoidance, COMAND, Displays, Entertainment, Horn, Trip Computer & Monitoring -- Test & Adjustment Values -- Cl63
    • Connectors & Wiring -- Testing & Repair -- Cl63
    • Electrical System -- OEM Wiring Diagrams -- Cl63
    • Electrical System -- Special Tools -- Body -- Cl63
    • Electrical System, Equipment & Instructions -- OEM Wiring Diagrams -- Cl63
    • Electrical System, Equipment & Instructions -- Special Tools -- Cl63
    • Electrical System, Equipment & Instructions -- Testing & Repair -- Cl63
    • OEM Connector End Views -- 216 Chassis
    • Overall Vehicle -- General Information -- Cl63
  • Starter
    • Electrical System - Engine -- Cl63
  • Wiring Diagrams
    • OEM Connector End Views -- 216 Chassis
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Air Compressor, Belt Drives -- Cl63
  • Auxiliary Emission Control Systems
    • Exhaust Manifolds, Emission Control -- Cl63
  • Blowers, Superchargers & Turbochargers
    • Air Intake, Turbo Charging -- Cl63
  • Cooling System (Mechanical)
    • Engine Cooling System -- Cl63
    • Fluids, Lighting & Wiper/Washers -- Safety Precautions -- Cl63
  • Exhaust
    • Exhaust Manifolds, Emission Control -- Cl63
    • Exhaust System -- Cl63
  • Fuel System
    • Fuel System -- Cl63
    • Mixture Formation -- Cl63
  • Lubrication System
    • Lubrication, Oil Cooling -- Cl63
  • Mechanical
    • Air Intake, Turbo Charging -- Cl63
    • Complete Engine -- Cl63
    • Crank Assembly -- Cl63
    • Engine Suspension -- Cl63
    • Engine Timing -- Cl63
    • Special Engine Equipment -- Cl63
  • Starter
    • Electrical System - Engine -- Cl63
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System -- Cl63
    • Mixture Formation -- Cl63
  • Ignition System
    • Electrical System - Engine -- Cl63
    • Mixture Formation -- Cl63
  • Specifications
    • Firing Order & Cylinder Identification
  • Tune-Up
    • Electrical System - Engine -- Cl63
    • Mixture Formation -- Cl63
• 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 (Ism)
    • DTC Index - Engine Controls (Me9.7 AMG) - Engine 156
    • DTC Index - Fuel Controls (FSCU6/Tank)
    • 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 -- Cl63
    • Fluids & Torque Specifications -- Cl63
    • Fluids, Configurations & Components -- Cl63
    • MERCEDES-BENZ Model Identification
    • Overall Vehicle -- General Information -- Cl63
    • Overall Vehicle -- Safety Precautions -- Cl63
    • Overall Vehicle -- Service & Maintenance -- Cl63
    • Overall Vehicle -- Shop-Made Tools -- Cl63
    • Overall Vehicle -- Special Tools -- Cl63 - 1 Of 2
    • Overall Vehicle -- Special Tools -- Cl63 - 2 Of 2
    • System Components -- Cl63
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - Cl63
  • 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 -- Cl63
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Climate Control -- Cl63
• Maintenance
  • Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Overall Vehicle -- Service & Maintenance -- Cl63
• Restraints
  • Air Bag, SRS
    • Restraint Systems -- General Information -- Cl63
    • Seats, Restraint Systems -- Basic Knowledge -- Cl63
    • Seats, Restraint Systems -- OEM Wiring Diagrams And Function Schematics -- Cl63
    • Seats, Restraint Systems -- Safety Precautions -- Cl63
    • Seats, Restraint Systems -- Special Tools -- Cl63
    • Seats, Restraint Systems -- Testing & Repair -- Cl63
    • Seats, Restraint Systems -- Torque Specifications -- Cl63
  • Restraints Control Systems
    • Restraint Systems -- General Information -- Cl63
    • Seats, Restraint Systems -- Basic Knowledge -- Cl63
    • Seats, Restraint Systems -- OEM Wiring Diagrams And Function Schematics -- Cl63
    • Seats, Restraint Systems -- Safety Precautions -- Cl63
    • Seats, Restraint Systems -- Special Tools -- Cl63
    • Seats, Restraint Systems -- Testing & Repair -- Cl63
    • Seats, Restraint Systems -- Torque Specifications -- Cl63
  • Seat Belts
    • Restraint Systems -- General Information -- Cl63
    • Seats, Restraint Systems -- Basic Knowledge -- Cl63
    • Seats, Restraint Systems -- OEM Wiring Diagrams And Function Schematics -- Cl63
    • Seats, Restraint Systems -- Safety Precautions -- Cl63
    • Seats, Restraint Systems -- Special Tools -- Cl63
    • Seats, Restraint Systems -- Testing & Repair -- Cl63
    • Seats, Restraint Systems -- Torque Specifications -- Cl63
• Steering
  • Manual Steering
    • Steering -- Cl63
  • Power Steering
    • Steering -- Cl63
• Suspension
  • Front Suspension
    • Axle Level Sensor & Wipers/Washers -- Torque Specifications -- Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Front Axle -- Cl63
    • Suspension -- Cl63
  • Rear Suspension
    • Axle Level Sensor & Wipers/Washers -- Torque Specifications -- Cl63
    • Entertainment, Lighting, Navigation & Wipers/Washers -- Testing & Repair -- Cl63
    • Rear Axle -- Cl63
    • Suspension -- Cl63
  • Wheel Alignment
    • Tools -- Cl63
    • Wheels, Chassis Alignment Check -- Cl63
  • Wheels & Tire System
    • Tools -- Cl63
    • Wheels, Chassis Alignment Check -- Cl63
• Transmission
  • Automatic Trans
    • Automatic Transmission -- Basic Knowledge -- Cl63
    • Automatic Transmission -- Capacities & Specifications -- Cl63
    • Automatic Transmission -- General Information -- Cl63
    • Automatic Transmission -- OEM Wiring Diagrams -- Cl63
    • Automatic Transmission -- Special Tools -- Cl63
    • Automatic Transmission -- Test & Adjustment Values -- Cl63
    • Automatic Transmission -- Testing & Repair -- Cl63
    • Automatic Transmission -- Torque Specifications -- Cl63
  • Clutch -- Cl63
  • Manual Transmission -- Cl63
  • Transfer Case -- Cl63
• External Pages