🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Chassis Code: W204 Model Years Covered: 2012, 2013, 2014, 2015 Codes Internal Model Code: W204 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Target Audience: Luxury vehicle buyers seeking refinement, performance, and advanced technology. Competitive Analysis Key Competitors: BMW 3 Series, Audi A4, Lexus IS, Infiniti G37/Q50, Volvo S60 Key Features Design Philosophy: Classic Mercedes-Benz elegance combined with a sportier, more dynamic aesthetic than previous generations. Powertrain Options: Diverse range of efficient and powerful gasoline and diesel engines. Technology Integration: Advanced driver assistance systems, sophisticated infotainment, and connectivity features. 📋 Manual Details Coverage Areas Primary Coverage: All models and all repairs A-Z Page Count Estimated Page Count: Comprehensive (typically 2000+ pages for full factory manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF, potentially searchable and printable) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine performance, cooling system, fuel system, lubrication system, exhaust system Transmission Drivetrain: Automatic transmission (7G-TRONIC PLUS), manual transmission (if applicable), drivetrain components (driveshafts, differentials) Chassis: Suspension system (front and rear), steering system, brake system (front and rear, ABS, ESP) Electrical: Electrical system, wiring diagrams, charging system, starting system, lighting system, instrument cluster, body control modules (BCM), infotainment system Body: Body structure, exterior panels, interior trim, doors, windows, seats, HVAC system Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair Overhaul: Engine repair (e.g., cylinder head, pistons), transmission overhaul, brake caliper replacement, suspension component replacement, electrical component repair Special Procedures: Airbag system service, ADAPTIVE BRAKE system diagnostics, electronic parking brake (EPB) service, CAN bus diagnostics Technical Depth Depth: Expert-level (equivalent to dealership technician manuals), including detailed repair instructions, specifications, torque values, diagnostic flowcharts, and component removal/installation procedures. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely includes OCR (Optical Character Recognition) for searchable text, enabling quick access to specific information. Print Quality Printability: Designed for printing, with clear text, diagrams, and illustrations. Binding Type Binding: Not applicable for digital format; however, professionally bound printed manuals would typically feature durable spiral or perfect binding. Paper Type Paper Quality: Not applicable for digital format; however, original factory manuals use high-quality, durable paper to withstand workshop environments. ⚙️ Engine Specifications Primary Engine Engine Variants: Covers various gasoline engines including M271 (e.g., C180 CGI, C200 CGI, C250 CGI), M274 (e.g., C250 CGI, C300 4MATIC), M276 (e.g., C350, C350 4MATIC, C400 4MATIC - depending on market and exact year) and diesel engines like OM651 (e.g., C200 CDI, C220 CDI, C250 CDI). Engine Variants Engine Displacement Range: 1.8L to 3.5L (4-cylinder and V6) Performance Horsepower Range: Approximately 156 hp to 306 hp (depending on engine and model variant) Torque Range: Approximately 250 Nm to 370 Nm (depending on engine and model variant) Fuel System Fuel Injection Type: Direct Injection (CGI - 'Charged, Injection, Ignition'), common rail direct injection for diesel engines Emission Standards: Euro 5 / EPA Tier 2 Bin 5 compliant (depending on market) Lubrication Oil Specification Example: MB 229.5 or MB 229.51 (e.g., for 0W-30 or 5W-30 synthetic oil, depending on engine and climate) Cooling Coolant Type Example: MB 325.0 or MB 326.0 (Antifreeze/Coolant, typically silicate-free, blue or green) 🔧 Transmission Standard Transmission Type: 7-speed Automatic Transmission (7G-TRONIC PLUS) for most models Optional Manual Transmission: Available on select base models in certain markets, typically 6-speed manual. Features Driving Modes: Comfort (C) and Sport (S) modes for automatic transmission. Transmission Fluid Example: ATF MB 236.14 (for 7G-TRONIC PLUS) 📐 Dimensions Exterior Length Sedan: Approx. 4606 - 4699 mm Width Sedan: Approx. 1770 - 1782 mm Height Sedan: Approx. 1438 - 1447 mm Wheelbase: Approx. 2760 mm Weights Curb Weight Range: Approx. 1500 - 1650 kg (depending on engine and equipment) Gross Vehicle Weight Rating: Typically around 2100 - 2250 kg 🛡️ Safety Features Ratings NHTSA Rating: Generally received high ratings in crash tests (e.g., 5-star overall from NHTSA in the US for comparable models). IIHS Rating: Often awarded 'Top Safety Pick' or 'Top Safety Pick+' by IIHS. Active Features ABS: Standard Anti-lock Braking System Esp: Standard Electronic Stability Program (ESP) Adaptive Brake System: Includes features like Hold function, brake priming, and road surface monitoring. Driver Assistance Options: Optional systems like DISTRONIC PLUS (adaptive cruise control), COLLISION PREVENTION ASSIST PLUS, Lane Keeping Assist, Blind Spot Assist, PARKTRONIC. Passive Features Airbags: Front airbags, side airbags, window airbags, driver's knee airbag (standard on most models). Seatbelts: Pre-tensioning and force-limiting seatbelts, PRE-SAFE® anticipatory safety system. Head Restraints: Active NECK-PRO front head restraints (optional on some models). 💡 Technology Features Infotainment Display System: Optional COMAND APS (with HDD navigation) or Audio 20 CD/NTG 4.5 systems. Connectivity: Bluetooth connectivity for hands-free calling and audio streaming, USB interface, optional...