🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Chassis Code: W204 Model Years Covered: 2008, 2009, 2010, 2011 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon (C-segment). Positioning: Represents Mercedes-Benz's entry-level luxury offering, competing with models like the BMW 3 Series and Audi A4. Competitive Analysis Key Competitors: BMW 3 Series (E90), Audi A4 (B8), Lexus IS, Infiniti G35/G37. Key Features Design Philosophy: Sporty yet elegant design, characteristic Mercedes-Benz build quality, advanced technology for its era. Powertrain Options: Range of efficient 4-cylinder and V6 gasoline engines, with AMG performance variants available. Manual Utility Value Proposition: Provides essential factory-level information for maintenance, repair, and diagnosis, saving significant costs on dealership labor. Target Audience: Mercedes-Benz C-Class (W204) owners, independent repair shops, automotive technicians. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive factory service, repair, and workshop procedures. Page Count Estimated Page Count: Extensive (typically 2000+ pages for this model generation, actual count varies by publisher but implies full factory coverage). Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English (standard for factory documentation and widespread dissemination). Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshafts, timing components, lubrication system, cooling system, fuel system (mechanical aspects). Engine Management: Engine Control Module (ECM) diagnosis, sensor identification and testing, ignition system, fuel injection system (electronic), emission control systems, diagnostic trouble codes (DTCs). Transmission Automatic: Automatic transmission (e.g., 7G-TRONIC 722.9) overhaul, diagnosis, hydraulic system, torque converter, electronic control unit (TCU), shift solenoids, fluid specifications. Transmission Manual: Manual transmission (if applicable to specific engine variants) overhaul, diagnosis, clutch system, gear ratios, fluid specifications. Drivetrain: Driveshafts, CV joints, differential, axle shafts, transfer case (if applicable), wheel bearings. Brakes: Hydraulic brake system, ABS, ESP (Electronic Stability Program), SBC (Sensotronic Brake Control - less common on W204 but covered if applicable), brake calipers, rotors, pads, bleeding procedures, parking brake. Suspension: Front and rear suspension components, struts, shock absorbers, control arms, ball joints, tie rods, sway bars, bushings, alignment specifications. Steering: Power steering system (hydraulic or electric), steering rack, steering column, steering wheel, power steering fluid specifications. Electrical System: 12V battery system, alternator, starter motor, wiring diagrams, fuse and relay identification, lighting systems (headlights, taillights, interior), horn. Body Electrical: Power windows, power locks, central locking, remote keyless entry, sunroof operation, interior lighting, seat adjustment systems. Climate Control: HVAC system diagnosis, air conditioning (A/C) system refrigerant recharge and service, heater core, blower motor, climate control panel, cabin air filter replacement. Bodywork Interior: Body panel removal and installation, interior trim panel removal, seat removal, dashboard removal, door panel removal, headliner replacement. Bodywork Exterior: Bumpers, fenders, hood, trunk lid, doors, quarter panels, door handles, mirrors, glass replacement (windshield, side glass), seals. Safety Restraints: Airbag system diagnosis, SRS (Supplemental Restraint System) components, seat belt service, airbag module replacement (cautionary procedures). Infotainment Navigation: COMAND (Cockpit Management and Navigation Display) system, radio, CD changer, navigation unit, speaker system, Bluetooth connectivity, instrument cluster. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections, spark plug replacement, belt replacement, service indicator reset. Troubleshooting: Diagnostic flowcharts, common fault diagnosis, symptoms-based troubleshooting, electrical system diagnostics, engine performance issues. Repair Rebuild: Engine overhaul procedures, transmission rebuilds, brake caliper rebuilding, suspension component replacement, steering rack replacement. Component Replacement: Detailed instructions for replacing virtually all major and minor components across all systems. Calibration Coding: Procedures for recalibrating sensors, programming control modules, and coding new components (requires diagnostic tools). Technical Depth Depth: Factory-level diagnostic and repair information, suitable for professional technicians and advanced DIY enthusiasts. Detail Level: Step-by-step instructions with torque specifications, special tool requirements, wiring diagrams, and component locations. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content (standard for well-produced PDFs). Print Quality Resolution: High resolution, suitable for printing individual pages or sections. Binding Type Binding: N/A (Digital download - PDF) Paper Type Paper: N/A (Digital download - PDF) ⚙️ Engine Specifications Primary Engine Engine Code Examples: M271 (1.8L Supercharged I4), M272 (3.5L V6). Performance Horsepower Range: Approximately 154 hp (C180 Kompressor) to 302 hp (C350). Torque Range: Approximately 184 lb-ft (C180 Kompressor) to 273 lb-ft (C350). Fuel System Injection Type: Electronic Multi-Point Fuel Injection (MPI) or Direct Injection (DI) depending on engine. Fuel Type: Premium Unleaded Gasoline (RON 91+ recommended). Cooling System Coolant Type: Mercedes-Benz approved coolant (e.g., G48 or equivalent). Lubrication System Oil Type Recommendation: Mercedes-Benz Approved Engine Oils, typically SAE 0W-40 or 5W-40 meeting MB 229.5 specification (check specific engine variant). 🔧 Transmission Standard Transmission Type Standard: 7-Speed Automatic Transmission (7G-TRONIC, 722.9) on most models. Optional Transmission Type Optional: 6-Speed Manual Transmission (on select engine variants, particularly earlier models or European market). Features Transmission Features: Driver-adaptive shifting programs (C-Comfort, S-Sport), manual mode with paddle shifters (optional). Fluid Specifications Automatic Transmission Fluid: MB 236.14 Automatic Transmission Fluid (ATF) for...