🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Variant: C280 4MATIC Year: 2006 Codes Chassis Code: W203 Engine Code: M272.961 Transmission Code: 722.643 (7G-TRONIC) 👋 Introduction Market Position Segment: Entry-level luxury sedan Competitors: BMW 3 Series, Audi A4, Lexus IS, Infiniti G35 Key Features Premium Experience: Mercedes-Benz quality, comfort, safety, and refined driving dynamics. All Wheel Drive: 4MATIC system provides enhanced traction and stability in various weather conditions. Powertrain Refinement: Smooth V6 engine and advanced 7-speed automatic transmission. 📋 Manual Details Coverage Areas Primary Coverage: Owner's Manual Secondary Coverage: Basic Maintenance, Operation, Safety Features, Specifications Page Count Estimated Page Count: Approx. 350-450 pages (typical for Mercedes-Benz owner's manuals of this era) Manual Type Type: Factory Owner's Manual Language Language: English Format Format: Digital PDF (Instant Download) 📖 Manual Coverage Systems Covered Powertrain: Engine operation, cooling system, fuel system, exhaust system, engine oil, battery, starter, alternator, 7G-TRONIC transmission operation. Chassis: Suspension (front and rear), steering system, braking system (ABS, ESP), wheels and tires, 4MATIC all-wheel drive system. Electrical System: Instrument cluster and indicators, lighting (headlights, taillights, interior), power windows, locks, mirrors, central locking, wipers, horn, fuse box locations and functions. Interior Systems: Climate control (HVAC), COMAND infotainment system (audio, navigation basics), seating adjustments, seat belts, airbags, interior trim, door panels. Driver Controls: Steering wheel controls, cruise control, gear selector operation, parking brake, ignition system, dashboard switches and buttons. Procedures Included Operation: Starting and stopping the engine, driving in various conditions, using cruise control, operating climate controls, using infotainment features. Maintenance: Checking engine oil level, tire pressure checks, fluid level checks (coolant, brake fluid, washer fluid), bulb replacement (basic), cleaning procedures. Safety: Understanding SRS airbag system, seat belt usage, child seat installation recommendations, emergency procedures, reporting safety defects (U.S. specific). Security: Keyless entry operation, central locking system, alarm system basics, vehicle security features. Technical Depth Depth: Comprehensive owner-level information; not a repair or service manual but provides detailed operational and basic maintenance guidance. Covers specifications for user-serviceable items. 📊 Manual Specifications File Format Format: PDF Readability: Searchable text, high-resolution images, designed for digital viewing on computers and tablets. Print Quality Quality: Factory original print quality replicated in digital format. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) Software Requirement Reader Requirement: Adobe Acrobat Reader or compatible PDF viewer. ⚙️ Engine Specifications Primary Engine Type: V6, 24-valve, DOHC Displacement: 2.8 Liters (2799 cc) Performance Horsepower: 228 hp @ 6000 rpm Torque: 203 lb-ft @ 3000-4500 rpm Fuel System Injection: Electronic Fuel Injection (EFI) Fuel Type Required Octane: Premium Unleaded (91 Octane or higher recommended) Emission Controls Catalytic Converter: Yes (Multi-stage) 🔧 Transmission Standard Type: 7-speed Automatic (7G-TRONIC) Drive Type: All-Wheel Drive (4MATIC) Features Modes: Comfort (C) and Sport (S) modes Gear Selection: Sequential manual shifting capability via selector lever. 📐 Dimensions Exterior Length: 181.7 inches (4615 mm) Width: 69.7 inches (1770 mm) Height: 55.5 inches (1410 mm) Wheelbase: 106.7 inches (2710 mm) Weights Curb Weight: Approx. 3570 lbs (1619 kg) Gross Vehicle Weight Rating: Approx. 4586 lbs (2080 kg) Cargo Trunk Volume: 13.1 cubic feet (371 liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star Driver, 5-Star Passenger (for 2006 model year) IIHS Front Offset: Good (for comparable models in its class) Active Features ABS: Anti-lock Braking System Esp: Electronic Stability Program (ESP) Traction Control: Traction Control System (TCS) Passive Features Airbags: Front airbags, side airbags, window curtain airbags (front and rear). Seat Belts: Pretensioning front seat belts with load limiters, rear three-point seat belts. Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system. 💡 Technology Features Infotainment System Name: COMAND (Cockpit Management and Navigation) Features: AM/FM Radio, CD Player (single disc), optional CD changer, optional Navigation system, optional Harman Kardon sound system. Display: Central color display screen (5.8-inch or 7-inch depending on options). Driver Assistance Cruise Control: Standard cruise control. Parking Sensors: Optional PARKTRONIC parking assist system (front and rear). Connectivity Bluetooth: Optional Bluetooth integration for hands-free calling (Tele Aid system required). Lighting Headlights: Halogen projector-beam headlights; optional Xenon HID headlights with dynamic leveling. 🔧 Maintenance Service Intervals Oil Change Interval: Flexible service system (ASSYST), typically every 10,000 miles or 1 year, whichever comes first, depending on driving conditions. Major Service Schedule: Refer to ASSYST indicators; typically includes spark plug replacement (around 100,000 miles), transmission fluid service, coolant flush, brake fluid flush. Fluid Specifications Engine Oil: MB 229.5 (Synthetic) - SAE 0W-40 or 5W-40 recommended. Coolant: MB 325.0 or 326.0 (Glycol-based, silicate-free, blue color) - typically a 50/50 mix with distilled water. Transmission Fluid: MB 236.14 (Genuine Mercedes-Benz ATF or equivalent approved fluid) Brake Fluid: DOT 4 Plus (MB Spec 331.0) Power Steering Fluid: MB Spec 24.2 (Genuine Mercedes-Benz Power Steering Fluid or Pentosin CHF 11 S equivalent) Known Issues M272 Engine Timing Chain Sprockets: Early M272 engines (pre-2007) can experience wear on timing chain sprockets,...