🏷️ Basic Information Identification Make: Mercedes-Benz Model: C320 Year: 2001 Codes Chassis Code: W203 👋 Introduction Market Position Vehicle Segment: Compact Executive Sedan Competitive Analysis Key Competitors: BMW 3 Series (E46), Audi A4 (B6), Lexus IS300, Acura TL Key Features Brand Prestige: Reputation for luxury, engineering, and safety Powertrain Focus: Emphasis on smooth V6 power delivery and advanced automatic transmission 📋 Manual Details Coverage Areas Comprehensive Coverage: Full vehicle service and repair Page Count Estimated Pages: 1500+ Manual Type Type: Official Factory Service Manual (Software) Language Language: English Format Format: Digital Software (likely PDF or proprietary executable) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, valve train, timing Engine Management: Fuel injection, ignition, emissions control, ECU diagnostics, sensors Transmission: Automatic Transmission (e.g., 722.6) - overhaul, diagnostics, fluid service Drivetrain: Driveshafts, axles, differential Suspension: Front and rear suspension, struts, shocks, control arms, bushings Steering: Power steering system, steering rack, steering column Brakes: Brake system, ABS, ESP, brake fluid, pads, rotors, calipers Electrical System: Battery, charging system, starter, alternator, wiring diagrams, fuses, relays Lighting: Headlights, taillights, interior lighting, bulb replacement HVAC: Heating, Ventilation, Air Conditioning, refrigerant service, climate control Body And Interior: Body panels, doors, windows, seats, trim, interior components Infotainment And Electronics: Audio system, navigation, instrument cluster, electronic modules Safety Systems: Airbags, seatbelts, SRS module Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement Troubleshooting: Diagnostic procedures, symptom-based troubleshooting guides, fault code explanations Repair: Component replacement, system repairs, overhaul procedures Diagnostics: Use of diagnostic tools (e.g., STAR Diagnosis), reading and clearing DTCs Specifications Data: Torque specifications, clearances, fluid capacities, electrical values Technical Depth Depth: Full factory-level repair and diagnostic information 📊 Manual Specifications File Format Compatibility: Requires compatible operating system and software reader Print Quality Digital Clarity: High-resolution digital images and text Binding Type Format Type: Digital Software Paper Type Media Type: Screen-based ⚙️ Engine Specifications Primary Engine Engine Code: M112 E32 Configuration: 3.2L SOHC 18-valve V6 Performance Horsepower: 215 hp @ 5750 rpm Torque: 229 lb-ft @ 3000-4800 rpm Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Type: Mercedes-Benz approved coolant (e.g., G05 or equivalent, blue/green) Lubrication Oil Type Spec: MB 229.5 (e.g., Mobil 1 0W-40, Castrol Syntec 0W-40) Oil Capacity: 8.5 US quarts (8.0 liters) with filter change 🔧 Transmission Standard Type: 5-Speed Automatic (722.6) Optional Type: None (RWD standard, AWD - 4MATIC optional in some markets/trims) Features Control Modes: Comfort (C) and Sport (S) modes Fluid Spec Fluid Type: MB 236.10 / ATF 3353 (e.g., Pentosin ATF1, Mobil ATF 134) Fluid Capacity Capacity: Approx. 7.5-8.5 US quarts (7.0-8.0 liters) for dry fill, check dipstick for level 📐 Dimensions Exterior Length: 178.3 inches (4529 mm) Width: 67.8 inches (1722 mm) Height: 55.8 inches (1417 mm) Wheelbase: 106.7 inches (2710 mm) Weights Curb Weight Approx: 3370-3470 lbs (1530-1575 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) IIHS Side Impact: Good Active Features Stability Control: Electronic Stability Program (ESP) Traction Control: Traction Control System (TCS) ABS: Anti-lock Braking System (ABS) Passive Features Airbags: Frontal airbags, side airbags, optional side curtain airbags Seatbelts: Pretensioning front seatbelts with force limiters 💡 Technology Features Infotainment Head Unit Options: COMAND 2.0 (optional navigation and CD player) Audio System: Standard AM/FM/CD player, optional Bose premium sound system Driver Assistance Parking Assistance: Optional Parktronic parking sensors Connectivity Telematics: Optional TeleAid emergency calling system Convenience Cruise Control: Standard cruise control with speed limiter Climate Control: Standard manual A/C, optional THERMATIC (automatic climate control) 🔧 Maintenance Service Intervals Oil Change Interval: Variable (typically 10,000 miles or 1 year, based on driving conditions via 'Service A' / 'Service B' system) Transmission Fluid Service: Recommended every 40,000 - 60,000 miles (check manual for specific recommendations, often considered 'lifetime' but fluid replacement is advised for longevity) Spark Plug Replacement: Typically around 100,000 miles (check specific OE recommendations) Fluid Specifications Brake Fluid Type: DOT 4 (MB Spec 332.0) Power Steering Fluid: MB Spec 236.3 (e.g., Pentosin CHF 11S or equivalent) Known Issues Evaporative Emissions System: Common fault: EVAP purge valve (N80) failure, leading to Check Engine Light. Ignition Coils And Plugs: Potential misfires due to failing ignition coils or worn spark plugs, particularly in the M112 engine. Cooling System: Leaks from plastic coolant reservoir, water pump, or hoses are not uncommon as the vehicle ages. Window Regulators: Plastic components in window regulator mechanisms can break, causing windows to fall into doors. Mass Air Flow Sensor: MAF sensor can become contaminated, leading to rough idle and poor performance. 📚 Vehicle History Brand Heritage Founded: 1926 (merger of Daimler-Motoren-Gesellschaft and Benz & Cie.) Model Evolution C Class Lineage: Successor to the W202 C-Class, predecessor to the W204 C-Class W203 Introduction: Introduced in 2000 for the 2001 model...