Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - C63 (204)
  • DTC Index
    • DTC Index - Electronic Selector Lever (TSLM)
    • DTC Index - Engine Controls (Me9.7 AMG) - Engine 156
    • DTC Index - Fuel Controls (FSCU4)
    • DTC Index - Transmission 722.9 (Etc2 As Of 2003)
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Connector End Views -- 204 Chassis
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Emergency Equipment -- C63/C350 (204)
  • Collision/Avoidance
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Electrical System - Testing & Repair - C63/C350 (204)
    • Electrical System, Equipment & Instructions - Basic Knowledge - C63/C350 (204)
  • Communication Devices
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Drivers Assistance Systems - ADAS
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Electrical System - Testing & Repair - C63/C350 (204)
    • Electrical System, Equipment & Instructions - Basic Knowledge - C63/C350 (204)
  • Entertainment Systems
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Emergency Equipment -- C63/C350 (204)
    • Entertainment & Navigation - OEM Wiring Diagrams - C63/C350 (204)
  • Gauges & Instrument Panels
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Headlights
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Infotainment
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Emergency Equipment -- C63/C350 (204)
    • Entertainment & Navigation - OEM Wiring Diagrams - C63/C350 (204)
  • Interior/Exterior Trim
    • Detachable Body Components - C63 (204)
  • Mirrors
    • Detachable Body Components - C63 (204)
  • Seats
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Seats, Restraint Systems -- General Information -- C63/C350 (204)
    • Seats, Restraint Systems -- Miscellaneous Notes -- C63/C350 (204)
    • Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204)
    • Seats, Restraint Systems -- Safety Precautions -- C63/C350 (204)
    • Seats, Restraint Systems -- Special Tools -- C63/C350 (204)
    • Seats, Restraint Systems -- Testing & Repair -- C63/C350 (204)
    • Seats, Restraint Systems -- Torque Specifications -- C63/C350 (204)
  • Steering Column Switches
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Wiper/Washer Systems
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
• Body & Frame
  • Door Locks
    • Emergency Equipment -- C63/C350 (204)
  • Exterior Body Panels
    • Detachable Body Components - C63 (204)
  • Exterior/Interior Trim
    • Detachable Body Components - C63 (204)
  • Mirrors
    • Detachable Body Components - C63 (204)
  • Seats
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Seats, Restraint Systems -- General Information -- C63/C350 (204)
    • Seats, Restraint Systems -- Miscellaneous Notes -- C63/C350 (204)
    • Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204)
    • Seats, Restraint Systems -- Safety Precautions -- C63/C350 (204)
    • Seats, Restraint Systems -- Special Tools -- C63/C350 (204)
    • Seats, Restraint Systems -- Testing & Repair -- C63/C350 (204)
    • Seats, Restraint Systems -- Torque Specifications -- C63/C350 (204)
• Brakes
  • Mechanical - Hydraulic
    • Brakes - C63/C350 (204)
    • Brakes - Basic Knowledge - C63/C350 (204)
    • Brakes - General Information - C63/C350 (204)
    • Brakes - Pneumatic System - C63/C350 (204)
    • Brakes - Wiring Diagrams & Special Tools - C63/C350 (204)
    • Pedal Assembly -- C63/C350 (204)
• Drivelines & Axles
  • Axle Shafts
    • Rear Axle -- C63/C350 (204)
  • Differentials & Drive Axles
    • Front Axle - C63/C350 (204)
    • Rear Axle -- C63/C350 (204)
  • Driveshaft & Universal Joints
    • Propeller Shaft -- C63/C350 (204)
  • Wheel Hubs
    • Front Axle - C63/C350 (204)
    • Rear Axle -- C63/C350 (204)
• Electrical
  • Body Electrical
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Connectors And Grounds - C63/C350 (204)
    • Connectors And Z Connectors - C63/C350 (204)
    • Electrical - General Information - C63/C350 (204)
    • Electrical - Safety Precautions - C63/C350 (204) - 1 Of 2
    • Electrical - Safety Precautions - C63/C350 (204) - 2 Of 2
    • Electrical - Torque Specifications - C63/C350 (204) - 1 Of 2
    • Electrical - Torque Specifications - C63/C350 (204) - 2 Of 2
    • Electrical System - Basic Knowledge - C63/C350 (204) - 2 Of 3
    • Electrical System - Basic Knowledge - C63/C350 (204) - 3 Of 3
    • Electrical System - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Electrical System - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Electrical System - Special Tools - C63/C350 (204)
    • Electrical System - Testing & Repair - C63/C350 (204)
    • Electrical System, Equipment & Instructions - Basic Knowledge - C63/C350 (204)
    • OEM Connector End Views -- 204 Chassis
    • Sensors And Wiring - Retrofitting & Conversion - C63/C350 (204)
    • Testing & Repair - C63/C350 (204)
  • Charging Systems
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Electrical System - Basic Knowledge - C63/C350 (204) - 2 Of 3
    • Electrical System - Basic Knowledge - C63/C350 (204) - 3 Of 3
    • Electrical System - Engine -- C63 (204)
    • Electrical System - Testing & Repair - C63/C350 (204)
    • Electrical System, Equipment & Instructions - Basic Knowledge - C63/C350 (204)
  • Fuses & Circuit Breakers
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Gauges
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
  • Motors, Switches, Relays
    • Collision Avoidance And Electrical System - Basic Knowledge - C63/C350 (204)
    • Connectors And Grounds - C63/C350 (204)
    • Connectors And Z Connectors - C63/C350 (204)
    • Electrical - General Information - C63/C350 (204)
    • Electrical - Safety Precautions - C63/C350 (204) - 1 Of 2
    • Electrical - Safety Precautions - C63/C350 (204) - 2 Of 2
    • Electrical - Torque Specifications - C63/C350 (204) - 1 Of 2
    • Electrical - Torque Specifications - C63/C350 (204) - 2 Of 2
    • Electrical System - Basic Knowledge - C63/C350 (204) - 2 Of 3
    • Electrical System - Basic Knowledge - C63/C350 (204) - 3 Of 3
    • Electrical System - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Electrical System - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Electrical System - Special Tools - C63/C350 (204)
    • Electrical System - Testing & Repair - C63/C350 (204)
    • Electrical System, Equipment & Instructions - Basic Knowledge - C63/C350 (204)
    • OEM Connector End Views -- 204 Chassis
    • Sensors And Wiring - Retrofitting & Conversion - C63/C350 (204)
    • Testing & Repair - C63/C350 (204)
  • Starter
    • Electrical System - Engine -- C63 (204)
  • Wiring Diagrams
    • OEM Connector End Views -- 204 Chassis
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Accessory Drive Belts
    • Belt Drives - Testing & Repair -- C63 (204)
  • Auxiliary Emission Control Systems
    • Exhaust Manifolds, Emission Control -- C63 (204)
  • Blowers, Superchargers & Turbochargers
    • Air Intake -- C63 (204)
  • Cooling System (Mechanical)
    • Engine Cooling System -- C63 (204)
  • Exhaust
    • Exhaust Manifolds, Emission Control -- C63 (204)
    • Exhaust System -- C63/C350 (204)
  • Fuel System
    • Fuel System - C63/C350 (204)
    • Mixture Formation - Basic Knowledge - C63/C350 (204)
    • Mixture Formation - General Information - C63/C350 (204)
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Mixture Formation - Safety Precautions - C63/C350 (204)
    • Mixture Formation - Special Tools - C63/C350 (204)
    • Mixture Formation - Testing & Repair - C63/C350 (204)
    • Mixture Formation - Torque Specifications-- C63/C350 (204)
  • Lubrication System
    • Lubrication, Oil Cooling -- C63 (204)
  • Mechanical
    • Air Intake -- C63 (204)
    • Complete Engine -- C63 (204)
    • Crank Assembly -- C63 (204)
    • Engine Suspension - C63/C350 (204)
    • Engine Timing -- C63 (204)
    • Special Engine Tools -- C63/C350 (204)
  • Starter
    • Electrical System - Engine -- C63 (204)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel System - C63/C350 (204)
    • Mixture Formation - Basic Knowledge - C63/C350 (204)
    • Mixture Formation - General Information - C63/C350 (204)
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Mixture Formation - Safety Precautions - C63/C350 (204)
    • Mixture Formation - Special Tools - C63/C350 (204)
    • Mixture Formation - Testing & Repair - C63/C350 (204)
    • Mixture Formation - Torque Specifications-- C63/C350 (204)
  • Ignition System
    • Electrical System - Engine -- C63 (204)
    • Mixture Formation - Basic Knowledge - C63/C350 (204)
    • Mixture Formation - General Information - C63/C350 (204)
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Mixture Formation - Safety Precautions - C63/C350 (204)
    • Mixture Formation - Special Tools - C63/C350 (204)
    • Mixture Formation - Testing & Repair - C63/C350 (204)
    • Mixture Formation - Torque Specifications-- C63/C350 (204)
  • Mode 6
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Star Diagnostics - C63/C350 (204)
  • Testing & Diagnosis
    • Star Diagnostics - C63/C350 (204)
  • Tune-Up
    • Electrical System - Engine -- C63 (204)
    • Mixture Formation - Basic Knowledge - C63/C350 (204)
    • Mixture Formation - General Information - C63/C350 (204)
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 1 Of 2
    • Mixture Formation - OEM Wiring Diagrams - C63/C350 (204) - 2 Of 2
    • Mixture Formation - Safety Precautions - C63/C350 (204)
    • Mixture Formation - Special Tools - C63/C350 (204)
    • Mixture Formation - Testing & Repair - C63/C350 (204)
    • Mixture Formation - Torque Specifications-- C63/C350 (204)
• 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
  • 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 (TSLM)
    • DTC Index - Engine Controls (Me9.7 AMG) - Engine 156
    • DTC Index - Fuel Controls (FSCU4)
    • 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
    • MERCEDES-BENZ Model Identification
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • Auxiliary Drive System - Safety Information - C63/C350 (204)
    • Capacities & Specifications - C63/C350 (204) - 1 Of 3
    • Capacities & Specifications - C63/C350 (204) - 2 Of 3
    • Capacities & Specifications - C63/C350 (204) - 3 Of 3
    • MERCEDES-BENZ Model Identification
    • Overall Vehicle - General Information - C63/C350 (204)
    • Overall Vehicle - Maintenance - C63/C350 (204)
    • Overall Vehicle - OEM Wiring Diagrams - C63/C350 (204)
    • Overall Vehicle - Safety Precautions - C63/C350 (204) - 1 Of 2
    • Overall Vehicle - Safety Precautions - C63/C350 (204) - 2 Of 2
    • Overall Vehicle - Shop-Made Tools - C63/C350 (204)
    • Overall Vehicle - Special Tools - C63/C350 (204)
    • Overall Vehicle -- Retrofitting & Conversion -- C63/C350 (204) - 1 Of 2
    • Overall Vehicle -- Retrofitting & Conversion -- C63/C350 (204) - 2 Of 2
    • Overall Vehicle -- Torque Specifications -- C63/C350 (204)
    • Overall Vehicle -- User Information -- C63/C350 (204)
  • Reset Procedures
    • ATEQ TPMS Reset Procedure
    • BARTEC TPMS Reset Procedure
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures - C63 (204)
  • 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 Drives - Testing & Repair -- C63 (204)
  • HVAC Control Systems
    • Climate Control - Basic Knowledge - C63/C350 (204) - 1 Of 2
    • Climate Control - Basic Knowledge - C63/C350 (204) - 2 Of 2
    • Climate Control - Capacities & Specifications - C63/C350 (204)
    • Climate Control - General Information - C63/C350 (204)
    • Climate Control - Maintenance - C63/C350 (204)
    • Climate Control - OEM Wiring Diagrams - C63/C350 (204)
    • Climate Control - Special Tools - C63/C350 (204)
    • Climate Control - Test & Adjustment Values - C63/C350 (204)
    • Climate Control - Testing & Repair - C63/C350 (204)
    • Climate Control - Torque Specifications - C63/C350 (204)
• Maintenance
  • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Emergency Equipment -- C63/C350 (204)
    • Restraints - Component Modifications - C63/C350 (204)
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Seats, Restraint Systems -- General Information -- C63/C350 (204)
    • Seats, Restraint Systems -- Miscellaneous Notes -- C63/C350 (204)
    • Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204)
    • Seats, Restraint Systems -- Safety Precautions -- C63/C350 (204)
    • Seats, Restraint Systems -- Special Tools -- C63/C350 (204)
    • Seats, Restraint Systems -- Testing & Repair -- C63/C350 (204)
    • Seats, Restraint Systems -- Torque Specifications -- C63/C350 (204)
  • Restraints Control Systems
    • Restraints - Component Modifications - C63/C350 (204)
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Seats, Restraint Systems -- General Information -- C63/C350 (204)
    • Seats, Restraint Systems -- Miscellaneous Notes -- C63/C350 (204)
    • Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204)
    • Seats, Restraint Systems -- Safety Precautions -- C63/C350 (204)
    • Seats, Restraint Systems -- Special Tools -- C63/C350 (204)
    • Seats, Restraint Systems -- Testing & Repair -- C63/C350 (204)
    • Seats, Restraint Systems -- Torque Specifications -- C63/C350 (204)
  • Seat Belts
    • Restraints - Component Modifications - C63/C350 (204)
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Seats, Restraint Systems -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Seats, Restraint Systems -- General Information -- C63/C350 (204)
    • Seats, Restraint Systems -- Miscellaneous Notes -- C63/C350 (204)
    • Seats, Restraint Systems -- OEM Wiring Diagrams -- C63/C350 (204)
    • Seats, Restraint Systems -- Safety Precautions -- C63/C350 (204)
    • Seats, Restraint Systems -- Special Tools -- C63/C350 (204)
    • Seats, Restraint Systems -- Testing & Repair -- C63/C350 (204)
    • Seats, Restraint Systems -- Torque Specifications -- C63/C350 (204)
• Steering
  • Manual Steering
    • Steering -- C63/C350 (204)
  • Power Steering
    • Steering -- C63/C350 (204)
• Suspension
  • Front Suspension
    • Front Axle - C63/C350 (204)
    • Suspension -- C63/C350 (204)
    • Tools -- C63/C350 (204)
  • Rear Suspension
    • Rear Axle -- C63/C350 (204)
    • Suspension -- C63/C350 (204)
    • Tools -- C63/C350 (204)
  • Wheel Alignment
    • MERCEDES-BENZ Wheel Alignment Specifications - 204 Chassis
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 1 Of 3
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 2 Of 3
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 3 Of 3
    • Wheels, Chassis Alignment Check -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Wheels, Chassis Alignment Check -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Wheels, Chassis Alignment Check -- General Information & Basic Knowledge -- C63/C350 (204)
  • Wheels & Tire System
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 1 Of 3
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 2 Of 3
    • Wheels, Chassis Alignment Check -- C63/C350 (204) - 3 Of 3
    • Wheels, Chassis Alignment Check -- Basic Knowledge -- C63/C350 (204) - 1 Of 2
    • Wheels, Chassis Alignment Check -- Basic Knowledge -- C63/C350 (204) - 2 Of 2
    • Wheels, Chassis Alignment Check -- General Information & Basic Knowledge -- C63/C350 (204)
• Transmission
  • Automatic Trans
    • Automatic Transmission - Basic Knowledge - C63/C350 (204)
    • Automatic Transmission - Capacities, Modifications And Torque Specifications - C63/C350 (204)
    • Automatic Transmission - General Information - C63/C350 (204)
    • Automatic Transmission - OEM Wiring Diagrams & Special Tools - C63/C350 (204)
    • Automatic Transmission - Testing & Repair - C63/C350 (204) - 1 Of 2
    • Automatic Transmission - Testing & Repair - C63/C350 (204) - 2 Of 2
    • Automatic Transmission - Testing, Adjustment And Maintenance - C63/C350 (204)
  • Clutch - C63/C350 (204)
  • Manual Transmission - C63/C350 (204)
  • Transfer Case -- C63/C350 (204)
• External Pages