Wiring diagrams and repair manual Mercedes-Benz C-class W203/S203/CL203 facelift
2004–2008 · 2.5L / 3.0L / 3.5L
Wiring diagrams
52 diagrams- Air conditioning
- Anti-lock brakes
- Anti-theft
- Body control modules
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers
- Engine performance 2.5l
- Engine performance 3.0l
- Engine performance 3.5l
- Exterior lights
- Ground distribution
- Headlights
- Horn
- Instrument cluster
- Interior lights
- Memory systems
- Navigation
- Power door locks
- Power mirrors
- Power seats
- Power top/sunroof
- Power windows
- Radio
- Shift interlock
- Starting/charging
- Supplemental restraints
- Transmission
- Trunk, tailgate, fuel door
- Wiper/washer
Repair manual
114 sections- Electrical Component Locations
- Accessories Control Systems
- Electrical -- Testing & Repair -- 203 Chassis: Removal & Installation
- Electrical Equipment & Instructions -- Basic Knowledge -- 203 Chassis
- Electrical Equipment & Instructions -- Basic Knowledge -- 203 Chassis: Component Locations
- Electrical -- Testing & Repair -- 203 Chassis
- Antenna Systems
- Entertainment/navigation -- 203 Chassis - 2 of 2: Component Locations
- Entertainment/navigation, Lighting, Wiper/washer -- Testing & Repair -- 203 Chassis: Removal & Installation
- Entertainment/navigation, Headlights, Wiper/washer -- Retrofitting & Conversion -- 203 Chassis: Wiring
- Entertainment/navigation, Headlights, Wiper/washer -- Retrofitting & Conversion -- 203 Chassis
- Collision/avoidance
- Cruise Control Systems
- Door Locks & Anti-Theft Systems
- Doors & Windows -- 203 Chassis
- Doors & Windows -- 203 Chassis: Removal & Installation
- Entertainment Systems
- Gauges & Instrument Panels
- Windows - 203 Chassis
- Heated Glass/defoggers
- Detachable Body Components -- 203 Chassis: Removal & Installation
- Detachable Body Components -- 203 Chassis
- Mirrors
- Seats
- Seats, Restraints -- Basic Knowledge -- 203 Chassis: Component Locations
- Seats, Restraints -- Testing & Repair -- 203 Chassis
- Towing Systems
- Wiper/washer Systems
- Exterior Body Panels
- Body Panels -- Testing & Repair -- 203 Chassis - 2 of 2: Removal & Installation
- Body Panels -- Testing & Repair -- 203 Chassis - 2 of 2
- Body Panels -- Testing & Repair -- 203 Chassis - 1 of 2: Removal & Installation
- Body Panels -- Testing & Repair -- 203 Chassis - 1 of 2
- Exterior/interior Trim
- Interior Equipment -- 203 Chassis
- Interior Equipment -- 203 Chassis: Removal & Installation
- Frames, Subframes & Crossmembers
- Paintwork -- 203 Chassis
- Body Sealing, Corrosion Protection -- 203 Chassis
- Paint/coatings
- Sun Roof/t-Top/convertible Top
- Wiring Harness, Jacking/hoisting -- Testing & Repair -- 203 Chassis: Wiring
- Mechanical - Hydraulic
- Parking Brake System
- Rear Axle -- Testing & Repair -- 203 Chassis - 2 of 2
- Axle Shafts
- Front Axle -- 203 Chassis: Removal & Installation
- Driveshaft & Universal Joints
- Propeller Shaft -- 203 Chassis
- Body Electrical
- Electrical System - Engine -- 203 Chassis: Removal & Installation
- Electrical System - Engine -- 203 Chassis
- Charging System
- Fuses & Circuit Breakers
- Accessory Drive Belts
- Air Intake, Turbo Charging -- 203 Chassis: Removal & Installation
- Blowers, Superchargers & Turbochargers
- Cooling System (Mechanical)
- Exhaust
- Mixture Formation -- Basic Knowledge -- 203 Chassis - 1 of 2: Overview
- Fuel System -- 203 Chassis: Overview
- Fuel System
- Mixture Formation -- Self-Diagnostic System -- 203 Chassis - 1 of 2: Diagnosis
- Fuel System -- 203 Chassis
- Mixture Formation -- Basic Knowledge -- 203 Chassis - 1 of 2
- Lubrication System
- Engine Timing -- Testing & Repair -- 203 Chassis - 2 of 2: Removal & Installation
- Complete Engine -- Testing & Repair -- 203 Chassis - 1 of 3: Removal & Installation
- Complete Engine -- Testing & Repair -- 203 Chassis - 2 of 3: Removal & Installation
- Complete Engine -- Testing & Repair -- 203 Chassis - 3 of 3: Removal & Installation
- Crank Assembly -- Testing & Repair -- 203 Chassis - 1 of 2: Removal & Installation
- Crank Assembly -- Testing & Repair -- 203 Chassis - 2 of 2
- Crank Assembly -- Testing & Repair -- 203 Chassis - 2 of 2: Removal & Installation
- Engine Timing -- Testing & Repair -- 203 Chassis - 1 of 2
- Engine Timing -- Testing & Repair -- 203 Chassis - 2 of 2
- Mechanical
- Emission Applications
- Mode 6
- Specifications
- Testing & Diagnostics
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Drive Cycles
- Driveline/axles
- Engine
- Engine Performance
- Identification
- Metric Conversions
- Oem General Information
- Reset Procedures
- Steering
- Traction Control Disable
- Transmission
- Climate Control -- Testing & Repair -- 203 Chassis: Removal & Installation
- Automatic HVAC System
- Cabin Air Filter
- Airbag
- Restraints Control Systems
- Manual & Power Steering
- Steering -- Testing & Repair -- 203 Chassis: Removal & Installation
- Suspension -- 203 Chassis
- Suspension Front
- Wheel & Tire System
- Wheels, Chassis Alignment Check -- Testing & Repair -- 203 Chassis
- Automatic Transmission -- Testing & Repair -- 203 Chassis: Overhaul
- Automatic Transmission -- Testing & Repair -- 203 Chassis: Specifications
- Automatic Transmission -- Testing & Repair -- 203 Chassis
- Automatic Transmission -- Basic Knowledge -- 203 Chassis
- Automatic Trans
- Clutches Manual & Hydraulic
- Transfer Case
- Diagnostic Connector Locations