🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Variant: C320 Year: 2002 Generation Chassis Code: W203 Codes Engine Code: M112.946 👋 Introduction Market Position Segment: Compact Executive Sedan (Entry-Level Luxury) Target Audience: Consumers seeking premium German engineering, comfort, and technology in a more compact package than larger Mercedes-Benz sedans. Competitive Analysis Primary Competitors: BMW 3 Series (E46), Audi A4 (B6), Lexus IS300, Acura TL. Key Features Design Philosophy: Modern, clean design with a focus on aerodynamic efficiency and Mercedes-Benz's signature quality and comfort. Powertrain Emphasis: Smooth, refined V6 engine performance and sophisticated chassis dynamics. 📋 Manual Details Coverage Areas Primary Coverage: Owner's Information, Operation, Maintenance, and Specifications Secondary Coverage: Instrument Cluster, Entertainment Systems, Climate Controls, Lighting, Driver Controls, Locks, Security, Seating, Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (US), Cleaning, Engine Compartment, Engine Oil, Battery, Fuel, Air Filters, Part Numbers, Refill Capacities, Lubricant Specifications, Accessories Page Count Estimated Page Count: Approximately 200-300 pages (typical for factory owner's manuals of this era) Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Powertrain Systems: Engine operation, fuel system, lubrication, cooling system basics, exhaust system identification. Chassis Systems: Brake system overview, steering system identification, suspension components. Electrical Systems: Instrument cluster functions, lighting controls, power accessories, battery maintenance, fuse box identification (general). Interior Systems: Climate control operation, entertainment system basics, seat adjustment, safety restraint system explanation. Security Systems: Central locking, alarm system operation, keyless entry functions. Procedures Included Basic Maintenance: Checking engine oil, windshield washer fluid, coolant levels; tire pressure checks; basic cleaning procedures. Driver Operations: Starting and stopping the engine, gear selection, using cruise control, operating windows and mirrors. Safety Procedures: Correct use of seat belts, child seat installation guidance, airbag system explanation. Troubleshooting Basic: Understanding dashboard warning lights, basic fuel guidance, advice on what to do in case of minor issues. Technical Depth Depth: Owner-level operational and basic maintenance guidance. Does not include detailed diagnostic procedures or component-level repair instructions typically found in a service manual. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable if the source PDF was OCR'd. Print Quality Quality: Digital reproduction quality, dependent on source. Typically clear and legible for on-screen viewing. Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) Compatibility Device Compatibility: Any device capable of reading PDF files (computers, tablets, smartphones). Software Requirements Reader Software: Requires PDF reader software (e.g., Adobe Acrobat Reader, Foxit Reader). ⚙️ Engine Specifications Primary Engine Engine Type: V6 SOHC (Single Overhead Camshaft) with 3 valves per cylinder and 2 spark plugs per cylinder (M112.946) Displacement: 3.2 Liters (3199 cc) Performance Horsepower: 215 hp @ 5750 rpm Torque: 229 lb-ft @ 3000-4500 rpm Fuel System Injection Type: Electronic Fuel Injection (EFI) Fuel Requirement: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Compartment Engine Placement: Front-mounted, Longitudinal Engine Cooling: Liquid-cooled, pressurized system 🔧 Transmission Standard Type: 5-Speed Automatic Transmission (722.6 '5G-TRONIC') Optional Type: None for C320 Features Shift Modes: Comfort (C) and Sport (S) modes. Fluid Specifications Fluid Type: MB Automatic Transmission Fluid (ATF) Specification 236.10 or equivalent approved fluid. 📐 Dimensions Exterior Length: 177.5 inches (4509 mm) Width: 67.7 inches (1720 mm) Height: 55.5 inches (1410 mm) Wheelbase: 106.7 inches (2710 mm) Weights Curb Weight: Approx. 3450 lbs (1565 kg) Gross Vehicle Weight Rating: Approx. 4540 lbs (2060 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver & Passenger) - 2002 Model Year IIHS Side Impact: Good (for models equipped with side airbags) Active Features Electronic Stability Program: Standard (ESP - Electronic Stability Program) Traction Control: Standard (ASR - Acceleration Skid Regulation) Antilock Brakes: Standard (ABS - Anti-lock Braking System) Passive Features Airbags: Frontal airbags, front side-impact airbags (standard), rear side-impact airbags (optional). Seatbelts: Three-point inertia-reel seat belts with pre-tensioners and belt-force limiters (front). Child Restraints: LATCH (Lower Anchors and Tethers for Children) system, ISOFIX anchor points in rear seats. 💡 Technology Features Infotainment Head Unit Options: Various Audio 20, Audio 30, or COMAND (Cockpit Management and Navigation Display) systems available, depending on original factory options. Navigation: Optional COMAND system with integrated GPS navigation (may use CD-ROM based maps). Driver Assistance Cruise Control: Standard Cruise Control. Rain Sensing Wipers: Optional on some models. Connectivity Telephony: Optional factory-installed tele-aid or hands-free communication system (e.g., Motorola V60 or similar cradle). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first, under normal driving conditions (refer to manual for specific conditions). Major Service Intervals: Refer to flexible service intervals indicated by the 'Service A', 'Service B' system, which are typically triggered by mileage and time, and communicated via the instrument cluster. Fluid Specifications Engine Oil Capacity: Approximately 7.0 - 7.5 quarts (6.6 - 7.1 liters) with filter change. Engine Oil Type: Synthetic engine oil, SAE 0W-40 or 5W-40, meeting Mercedes-Benz...