🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Code: W203 Year: 2002 Generation Generation Code: Second Generation (W203) Generation Years: 2000-2007 Codes Chassis Designation: W203 👋 Introduction Market Position Class Segment: Compact Executive Sedan/Coupe/Wagon Target Market: Premium compact car segment, competing with BMW 3 Series, Audi A4, Lexus IS. Competitive Analysis Key Competitors: BMW 3 Series (E46), Audi A4 (B6), Lexus IS (XE10) Key Features Design Philosophy: Modern, aerodynamic, and sophisticated design with signature Mercedes-Benz build quality. Powertrain Options: Range of inline-4 and V6 gasoline engines, plus diesel options in some markets. Innovations: Introduction of the modular MRA platform, advanced safety features, and improved interior comfort. 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Coverage Type: Vehicle Specific Target Audience: Dealership Technicians, Independent Repair Shops, Advanced DIYers Page Count Estimated Page Count: 1500+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) - Searchable and Printable 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, timing, valve train, pistons, crankshaft, lubrication system, cooling system, engine management, emissions control. Engine Electrical: Ignition system, fuel injection system (EIS, ECU), starter, alternator, battery, wiring diagrams for engine components. Transmission Manual: Clutch, gearbox internal components, shifting mechanisms, maintenance, repair. Transmission Automatic: 722.6 (5-Speed Automatic) - Overhaul, valve body, torque converter, electronic control, fluid and filter service. Drivetrain: Front-wheel drive system, driveshafts, CV joints, differentials (if applicable to specific models). Suspension: Front and rear suspension components, shock absorbers, struts, springs, control arms, bushings, alignment specifications. Steering: Power steering system, steering rack, column, tie rods, fluid specifications, repair procedures. Brakes: Front and rear brake systems (disc brakes), ABS, ESP, brake fluid specifications, rotor and pad replacement, caliper overhaul, bleeding procedures. Electrical System: Comprehensive wiring diagrams, fuse box locations and functions, lighting systems (headlights, taillights, interior), power windows, mirrors, seats, central locking. Body And Interior: Body panel removal and installation, door mechanisms, interior trim, seats, dashboard, climate control system, airbags, body repair. HVAC: Air conditioning system, heater core, blower motor, control modules, refrigerant specifications, service and repair. Diagnostics: On-board diagnostics (OBD-II), trouble codes (DTCs), diagnostic scan tool procedures, troubleshooting flowcharts. Procedures Included Maintenance Procedures: Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid replacement, transmission fluid service. Repair Procedures: Component replacement (alternator, starter, water pump, fuel pump), suspension and steering component repair, brake caliper rebuild, exhaust system repair, bodywork. Troubleshooting: System-specific diagnostic trees and flowcharts for common and uncommon problems across all major vehicle systems. Technical Specifications: Torque specifications for fasteners, engine data, electrical component resistance values, fluid capacities, diagnostic parameter ranges. Special Tools: Identification and usage instructions for specialized Mercedes-Benz tools required for specific repairs. Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to full engine and transmission rebuilds, including electrical diagnostics and body repair. 📊 Manual Specifications File Format Format: PDF Searchability: Fully searchable by keywords and phrases. Printability: Printable pages for physical reference. Print Quality Image Clarity: High-resolution diagrams, schematics, and photographs. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Example Gasoline 1: M111 (2.0L Supercharged I4 - C200 Kompressor) Engine Code Example Gasoline 2: M112 (2.6L V6 - C240, 3.2L V6 - C320) Engine Code Example Diesel: OM611 (2.1L CDI I4 - C200 CDI, C220 CDI) Performance Horsepower Range: 115 hp to 215 hp (depending on engine variant) Torque Range: 200 Nm to 310 Nm (depending on engine variant) Fuel System Fuel Delivery Gasoline: Multi-point fuel injection (MPI) or Electronic Fuel Injection (EFI) with Sequential Fuel Injection (SFI). Fuel Delivery Diesel: Common Rail Direct Injection (CDI). Maintenance Oil Type Recommendation: MB 229.5 / 229.51 (e.g., Mobil 1 0W-40, Castrol Edge 0W-40) Oil Capacity Example: Approx. 5.5 - 6.5 liters (depending on engine) 🔧 Transmission Standard Standard Transmission Type: 5-Speed Manual (rare on US models) Optional Optional Transmission Type: 5-Speed Automatic (722.6 - NAG) Features Automatic Features: TouchShift (manual shifting mode), electronically controlled. Maintenance Automatic Transmission Fluid Type: MB 236.14 (ATF 722.6, e.g., Pentosin ATF1) Automatic Transmission Fluid Capacity: Approx. 7-8 liters for complete service. 📐 Dimensions Exterior Length Sedan: Approx. 4526 mm (178.2 in) Width Sedan: Approx. 1728 mm (68.0 in) Height Sedan: Approx. 1407 mm (55.4 in) Wheelbase: Approx. 2715 mm (106.9 in) Weights Curb Weight Range: Approx. 1400 - 1550 kg (3086 - 3417 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact Rating: 5-Star (for models tested) IIHS Top Safety Pick: Good (for models tested) Active Features Stability Control: Standard ESP (Electronic Stability Program) Braking Features: ABS (Anti-lock Braking System), Brake Assist (BAS) Passive Features Airbags: Front airbags, side airbags, front and rear head curtain airbags (optional). Seat Technology: Pretensioner seatbelts, active headrests (optional). 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation) or Audio 20 options. Navigation: Optional...