🏷️ Basic Information Identification Make: Mercedes-Benz Model: C240 Year: 2003 Codes Chassis Code: W203 Engine Code: M112.910 👋 Introduction Market Position Positioning: Mid-size luxury sedan targeting professionals and those seeking refined German engineering. Competitive Analysis Competitors: BMW 3 Series (E46), Audi A4 (B6), Lexus IS300, Infiniti G35 Key Features Vehicle Appeal: Comfort, build quality, brand prestige, advanced safety features for its era. Manual Value Value Proposition: Provides authoritative, factory-level repair information, crucial for maintaining the longevity and performance of a luxury vehicle. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Secondary Coverage: Diagnostics, Maintenance, Troubleshooting, Wiring Diagrams Page Count Estimated Pages: 1500+ Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely searchable PDF or proprietary application) 📖 Manual Coverage Systems Covered Powertrain: Engine (M112 E32 V6), Transmission (5G-TRONIC automatic), Drivetrain Chassis: Suspension (front/rear), Steering, Brakes (ABS, ESP), Wheels, Tires Electrical: Engine Control Unit (ECU), Body Control Module (BCM), Lighting, Power Accessories, CAN Bus Network, Diagnostics (OBD-II) Body And Trim: Exterior Panels, Interior Trim, Seats, Doors, Windows, Climate Control (HVAC) Procedures Included Maintenance: Scheduled Maintenance Intervals, Fluid Changes (oil, coolant, brake, transmission), Filter Replacements, Spark Plug Replacement Repair: Engine Component Overhaul, Transmission Repair, Brake System Overhaul, Suspension Component Replacement, Electrical Component Diagnosis and Replacement Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-based Diagnostics, Electrical Circuit Tracing Technical Depth Depth: Comprehensive (from basic fluid checks to complete engine and transmission rebuilds, including detailed electrical schematics) 📊 Manual Specifications File Format Digital Format: Likely Executable (.exe) or PDF with advanced search capabilities, potentially including interactive diagrams. Print Quality Quality: N/A (Digital Software) Binding Type Binding: N/A (Digital Software) Paper Type Paper: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: V6 SOHC (3 valves per cylinder, 2 spark plugs per cylinder - 2-spark plug ignition system) Engine Displacement: 3.2 Liters (3199 cc) Performance Horsepower: 215 hp @ 5750 rpm Torque: 221 lb-ft @ 3250 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Engine Management ECU Type: ME 2.8 (likely) 🔧 Transmission Standard Type: 5-speed Automatic (5G-TRONIC) Optional Type: N/A (C240 predominantly automatic) Features Shift Modes: Comfort (C) and Sport (S) modes Fluid Specifications Fluid Type: MB 236.10 or MB 236.12 ATF Fluid Capacities Capacity Approx: 8.0 Liters (17 pints) for complete fill 📐 Dimensions Exterior Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight Approx: 3351 lbs (1520 kg) Gross Vehicle Weight Rating Approx: 4453 lbs (2018 kg) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: ★★★★★ NHTSA Front Impact Passenger: ★★★★★ IIHS Front Small Overlap: Good (for applicable years/testing methodology) Active Features Active Safety: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR) Passive Features Passive Safety: Frontal Airbags, Side Airbags (front), Side Curtain Airbags (front), Pretensioner seatbelts 💡 Technology Features Infotainment Audio System: COMAND (Cockpit Management and Navigation) System optional, with CD player, optional navigation, and premium sound systems (e.g., Bose). Driver Assistance Driver Aids: Cruise Control, Rain-sensing wipers (optional), Automatic Climate Control (optional) Connectivity Interface: Infrared remote for central locking, optional Tele Aid emergency calling system. 🔧 Maintenance Service Intervals Oil Change Interval: 10,000 miles or 12 months, whichever comes first (with synthetic oil, as per Flexible Service System - FSS) Major Service Interval: 30,000 miles (e.g., spark plugs, cabin filter, engine air filter, transmission fluid) Fluid Specifications Engine Oil Type: Mobil 1 Synthetic 0W-40 (MB 229.5 specification) Coolant Type: MB 325.0 (Glysantin G48) or equivalent OAT coolant Brake Fluid Type: DOT 4 (MB 331.0 specification) Known Issues Common Wear Items: Ignition coils, Mass Air Flow (MAF) sensor, Crankshaft Position Sensor (CPS), Window regulators, Suspension bushings, Heater control valve, Crankshaft pulley/harmonic balancer. Maintenance Items Spark Plugs: NGK IFR5N10 (2 per cylinder, 12 total) - typically replaced every 60,000-100,000 miles 📚 Vehicle History Brand Heritage Heritage Focus: Pioneering automotive safety, engineering excellence, and luxury comfort. Model Evolution Model Line: Part of the W203 generation of the C-Class, which replaced the W202 and introduced a more modern design and technology. Production Manufacturing Plants: Bremen, Germany; Tuscaloosa, Alabama, USA Production Years Generation W203 Years: 2000-2007 🏆 Awards & Recognition Recognitions Safety Award Mention: Often received high safety ratings from various organizations like IIHS and NHTSA for its class and era. Ratings Consumer Ratings: Generally good for build quality and comfort, though some powertrain and electronic issues can arise with age.