🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Variants: C230, C240, C320, C32 AMG Year: 2004 Codes Chassis Code: W203 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Positioning: Entry-level luxury vehicle, offering Mercedes-Benz quality, safety, and comfort. Competitive Analysis Competitors: BMW 3 Series (E46), Audi A4 (B6), Lexus IS300, Infiniti G35 Key Features Distinctive Features: Sophisticated interior, advanced safety systems (for its time), choice of refined powertrains, signature Mercedes-Benz driving dynamics. Manual Value Proposition Value For Owner: Essential guide for understanding vehicle operation, maximizing usability, performing basic maintenance, and ensuring longevity. Crucial for owners who want to be self-sufficient with everyday vehicle care. 📋 Manual Details Coverage Areas Primary Coverage: Owner's operational and maintenance information for the 2004 Mercedes-Benz C-Class Page Count Estimated Page Count: 200-300 (estimated based on typical owner's manual content for this era and vehicle class) Manual Type Type: Owner's Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Key Systems: Safety (seats, seat belts, SRS), Instruments and Controls, Pre-Driving Checks, Monitor Systems, Heater, Air Conditioner, Audio System, Phone System, Voice Recognition, Starting and Driving, Emergency Procedures, Appearance and Care, Maintenance and DIY Procedures, Technical and Consumer Information Procedures Included Operational Procedures: Correct operation of all vehicle features, adjustments for driver comfort and safety, use of climate control, infotainment system operation, starting and driving techniques, emergency response guidance, basic cleaning and care instructions Maintenance Procedures: DIY maintenance tasks, checks of fluid levels, tire pressure checks, basic troubleshooting, guidance on when to seek professional service Technical Depth Depth: Covers operational aspects and essential owner-level maintenance. Does not include detailed diagnostic or repair procedures typically found in a Service Manual. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, enabling quick information retrieval. Compatibility: Compatible with all versions of Windows & Mac, requires Adobe PDF Reader. Print Quality Quality: Digital reproduction of original factory manual content. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine C230 Engine Type: Supercharged Inline-4 (M271) Displacement: 1.8 L (1796 cc) Horsepower: 189 hp @ 5500 rpm Torque: 200 lb-ft @ 3500-4000 rpm Primary Engine C240 Engine Type: Naturally Aspirated V6 (M112) Displacement: 2.6 L (2597 cc) Horsepower: 168 hp @ 5700 rpm Torque: 177 lb-ft @ 4500 rpm Primary Engine C320 Engine Type: Naturally Aspirated V6 (M112) Displacement: 3.2 L (3199 cc) Horsepower: 215 hp @ 5700 rpm Torque: 229 lb-ft @ 3000-4800 rpm Primary Engine C32 Amg Engine Type: Supercharged V6 (M112 ML) Displacement: 3.2 L (3199 cc) Horsepower: 349 hp @ 6100 rpm Torque: 332 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Recommended Fuel: Premium Unleaded Gasoline (91 octane or higher recommended for optimal performance and engine longevity) 🔧 Transmission Standard Transmission Type C230 C240: 5-speed Automatic (722.6) Optional Transmission Type C320: 5-speed Automatic (722.6) Type C32 Amg: 5-speed AMG SPEEDSHIFT Automatic (722.6) Features Autotragic Modes: Comfort and Sport modes available on most variants, allowing adjustment of shift points and throttle response. 📐 Dimensions Exterior Wheelbase: 106.7 inches (2710 mm) Length: 178.0 inches (4522 mm) Width: 69.7 inches (1770 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight Approx: 3300 - 3700 lbs (varies by model and options) Cargo Trunk Volume Approx: 12.4 cu ft (sedan) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Good NHTSA Front Impact Passenger: Good IIHS Front Offset: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Esp: Standard Electronic Stability Program (ESP), known as ESP in Mercedes-Benz terminology. Passive Features Airbags: Frontal airbags (driver and passenger), side airbags (front), front and rear side curtain airbags (optional or standard depending on exact model year and region). Seat Belts: Pretensioning front seat belts with force limiters, height-adjustable front belts. 💡 Technology Features Infotainment Audio System: Factory Mercedes-Benz Audio 10/20/30 systems with options for CD changer, navigation (COMAND), and premium sound systems (e.g., Bose). Connectivity: Bluetooth connectivity for hands-free calling was becoming more common, often requiring an optional adapter. Early voice recognition systems were also available. Driver Assistance Cruise Control: Standard cruise control, potentially with DISTRONIC (adaptive cruise control) as a rare, high-end option on some models. Parking Assistance: Optional parking sensors (PARKTRONIC) available on some trims. 🔧 Maintenance Service Intervals Oil Change Recommendation: Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil. Specifics depend on driving conditions and are detailed in the owner's manual. Major Service Intervals: Refer to the 'Service A' and 'Service B' intervals as indicated by the 'Service Minder' system in the vehicle. These typically involve more comprehensive checks and fluid replacements (e.g., coolant, brake fluid, transmission fluid). Fluid Specifications Engine Oil Type: MB 229.5 Specification (e.g., Mobil 1 0W-40, Castrol Syntec 0W-30/5W-40 are common recommendations for this era). Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., MB...