🏷️ Basic Information Identification Make: Mercedes-Benz Model: C240 Year: 2005 Generation Chassis Code: W203 Codes Engine Code: M272.910 👋 Introduction Market Position Positioning: The 2005 Mercedes-Benz C240 (W203) represented Mercedes-Benz's entry-level luxury sedan, targeting a younger demographic and competing with models like the BMW 3 Series and Audi A4. This manual provides the essential technical data for maintaining and repairing this sophisticated vehicle. Competitive Analysis Comparison: Competed strongly in its segment with a focus on comfort, build quality, and a refined driving experience, often surpassing rivals in interior materials and ride sophistication, though sometimes perceived as less dynamically engaging than its German counterparts. Key Features Vehicle Features: Known for its robust engineering, high-quality interior, and comfortable ride. Offered a balance of luxury and performance, making it a popular choice for executive and family use. Manual Value Proposition Value: This software manual is an indispensable resource for Mercedes-Benz owners and independent workshops, offering access to precise factory-level repair procedures, specifications, and diagnostic information, enabling cost-effective and accurate maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Description: Comprehensive service and repair information for the 2005 Mercedes-Benz C240, covering all mechanical, electrical, and body systems. Page Count Estimated Pages: Over 1000 (typical for comprehensive factory service manuals) Manual Type Type: Official Factory Service Manual (Software) Language Language: English Format Format: Software (likely digital download, potentially with interactive diagrams and search functionality) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, lubrication, cooling, fuel, ignition, emissions control, engine management system (ECU/DME), performance tuning, and diagnostics. Transmission: Automatic transmission (5G-TRONIC 722.6), torque converter, shift control, hydraulics, electronics, and diagnostics. Manual transmission information may be included if applicable to specific markets or sub-models. Drivetrain: Front axle, rear axle, drive shafts, CV joints, differentials, and related components. Suspension: Front and rear suspension, struts, shocks, springs, control arms, ball joints, bushings, sway bars, and wheel alignment specifications. Brakes: Brake system hydraulic components, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake pads, rotors, calipers, lines, master cylinder, and bleeding procedures. Steering: Power steering system, steering rack, tie rods, power steering pump, fluid specifications, and diagnosis. Electrical System: Battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior lights), fuses, relays, wiring diagrams, and component location. Body And Chassis: Body panels, doors, hood, trunk, bumpers, interior trim, glass, mirrors, structural components, and corrosion protection. Climate Control: HVAC (Heating, Ventilation, and Air Conditioning) system, A/C compressor, refrigerant, evaporator, condenser, blower motor, climate control unit, and troubleshooting. Infotainment And Comfort: Audio system, navigation system (if equipped), central locking, power windows, power seats, sunroof operation, and interior electronics. Safety Systems: Airbag system (SRS), seat belt pre-tensioners, and related sensor components. Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, fluid flushes (coolant, brake fluid, transmission fluid), and general upkeep. Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting guides, error code interpretation, and common problem diagnosis. Repair And Overhaul: Detailed step-by-step instructions for component removal, installation, repair, and rebuilding for all major vehicle systems. Diagnostics: Use of diagnostic tools (e.g., STAR Diagnosis system), reading and clearing fault codes, live data stream analysis, and component testing. Special Tools: Identification and usage instructions for specialized tools required for specific repair and maintenance procedures. Wheel Alignment Specs: Includes detailed front and rear wheel alignment specifications (camber, caster, toe) for optimal handling and tire wear. Timing Chain Replacement: Covers procedures for inspecting and replacing the timing chain and associated components, a critical maintenance item for the M272 engine series. Exhaust System Repair: Includes guidance on diagnosing and repairing exhaust leaks, replacing mufflers, catalytic converters, and exhaust hangers. Cooling Fan And Clutch Service: Details on servicing the engine's cooling fan assembly and associated components. Technical Depth Depth: Expert level, covering routine maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and body repair. Wiring Diagrams: Comprehensive and detailed electrical wiring diagrams for all vehicle systems, color-coded and clearly labeled. Diagnostic Trouble Codes: Extensive lists of OBD-II (On-Board Diagnostics) and proprietary Mercedes-Benz diagnostic trouble codes (DTCs), along with their definitions and troubleshooting steps. Torque Specifications: Precise torque values for all critical fasteners and bolts throughout the vehicle. 📊 Manual Specifications File Format File Type: Digital Software Searchability: Likely fully searchable text, allowing quick access to specific topics. Print Quality Printability: High-resolution, suitable for printing individual pages or sections. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 2.6L V6 (M272 family predecessor) Engine Displacement Liters: 2.58 Bore X Stroke Mm: 82.0 x 81.0 Compression Ratio: 10.5:1 Performance Horsepower Hp: 168 Torque Lb-Ft: 177 Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Sequential Port Injection. Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended). Engine Management Engine Control Unit: ME 2.8.3 (likely) or similar Bosch Motronic variant. Ignition...