🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Variant: C230 Year: 2006 Codes Chassis Code: W203 Engine Code: M271 E20 DE LA (2.0L Supercharged Inline-4) 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Brand Perception: Premium, luxury, performance-oriented. Competitive Analysis Key Competitors 2006: BMW 3 Series (E90), Audi A4 (B7), Lexus IS, Acura TL, Infiniti G35. Key Features Design Philosophy: Classic Mercedes-Benz styling, focus on comfort, safety, and refined driving experience. Powertrain Emphasis: Smooth yet responsive supercharged engine, sophisticated automatic transmission. Interior Quality: High-quality materials, ergonomic design, and advanced features for its class. 📋 Manual Details Coverage Areas Manual Type: Owner's Manual Language: English Format: PDF Download Page Count Estimate: Approx. 300-400 pages (typical for this model year) 📖 Manual Coverage Systems Covered Engine Operation: Detailed explanation of the M271 engine, including supercharger operation, variable valve timing, and electronic engine management (ME 2.8/3.x). Transmission Operation: Coverage of the 5G-TRONIC (722.6) automatic transmission, including modes (Comfort, Sport), gear selection, and basic operation. Suspension And Steering: Information on the MacPherson strut front suspension and multi-link rear suspension, power steering system, and tire pressure monitoring system (TPMS). Braking System: Details on the anti-lock braking system (ABS), brake assist (BAS), electronic stability program (ESP), and standard disc brakes. Electrical System: Explanation of the 12V electrical system, battery, alternator, fuses, lighting systems (headlights, taillights, interior), and basic component identification. Climate Control: Operation of the THERMATIC (manual) and THERMOTRONIC (automatic) climate control systems, including air conditioning, heating, and recirculation modes. Infotainment And Audio: Operation of the Audio 20 or COMAND APS infotainment system, including radio, CD player, optional navigation, and speaker system. Safety Systems: Information on airbags (front, side, window), seatbelt pre-tensioners, ISOFIX child seat anchors, and crumple zones. Procedures Included Basic Maintenance: Guidance on checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, and wiper blade replacement. Emergency Procedures: Instructions for changing a flat tire, jump-starting the vehicle, and using the emergency toolkit. Dashboard Indicators And Warnings: Explanation of warning lights, indicator lamps, and message displays on the instrument cluster. Vehicle Care And Cleaning: Recommendations for exterior and interior cleaning, polishing, and protection. Tire And Wheel Maintenance: Information on tire rotation, inflation, and recommended tire sizes. Technical Depth Depth Level: Owner-level operational and basic maintenance guidance. Troubleshooting Scope: Covers common driver-level troubleshooting for warning lights and system malfunctions. Repair Level: Not intended for mechanical repair; focuses on operation and maintenance. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely text-searchable if properly created OCR. Print Quality Image Resolution: Varies, but typically good quality illustrations for a Mercedes-Benz manual. Binding Type Original Binding: Stapled or perfect bound (for original print) Paper Type Original Paper: High-quality coated paper (for original print) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, Supercharged Displacement: 1998 cc (2.0 Liters) Bore X Stroke: 88.0 mm x 82.0 mm Compression Ratio: 8.8:1 Valvetrain: DOHC, 4 valves per cylinder, Variable Valve Timing (VVT). Aspiration: Lysholm-type Supercharger with intercooler. Performance Horsepower: 189 hp @ 5500 rpm Torque: 200 lb-ft (270 Nm) @ 3000-4500 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91+ Octane Recommended) Fuel Delivery: Electronic Fuel Injection (Sequential Port Injection). Engine Management System: Bosch ME 2.8/3.x (or similar) 🔧 Transmission Standard Type: 5-Speed Automatic Transmission (5G-TRONIC) Transmission Code: 722.6 Optional Type: 6-Speed Manual Transmission (Less Common) Features Driver Selectable Modes: Comfort (C) and Sport (S) modes. Torque Converter Lockup: Yes, provides more direct power transfer at cruising speeds. Fluid Specifications Automatic Transmission Fluid Type: MB 236.10 or MB 236.12 (e.g., ATF 3403-M115 or MB-Approval 236.12) 📐 Dimensions Exterior Length: Approx. 4526 mm (178.2 in) Width: Approx. 1728 mm (68.0 in) Height: Approx. 1405 mm (55.3 in) Wheelbase: Approx. 2715 mm (106.9 in) Weights Curb Weight: Approx. 1490-1540 kg (3285-3395 lbs), depending on body style and options. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for driver and passenger, based on W203 generation testing) IIHS Side Impact: Good (for W203 generation testing) Active Features Electronic Stability Program: Standard (ESP) Anti Lock Braking System: Standard (ABS) Brake Assist: Standard (BAS) Traction Control: Standard (ASR) Passive Features Front Airbags: Dual-stage front airbags. Side Airbags: Standard front-seat mounted side airbags. Window Airbags: Standard front and rear window curtain airbags. Seatbelts: 3-point inertia-reel seatbelts with pre-tensioners and belt-force limiters. Child Seat Anchors: ISOFIX/LATCH system. 💡 Technology Features Infotainment Standard System: Audio 20 CD (radio, CD player, 6-disc changer option, auxiliary input). Optional System: COMAND APS (Navigation system with integrated CD/DVD player, larger color display). Speaker System: Typically 6-8 speakers; optional Harman Kardon surround sound system. Driver Assistance Cruise Control: Standard electronic cruise control with SPEEDTRONIC variable speed limiter. Parking Assistance: Optional front and rear Parktronic parking sensors. Connectivity Phone Integration: Optional Mercedes-Benz integrated hands-free phone system (via cradle or Bluetooth, depending on option). Lighting Headlights: Standard Halogen projector headlights; optional Bi-Xenon headlights...