🏷️ Basic Information Identification Make: Mercedes-Benz Model: CLK350 Year: 2006 Codes Chassis Code: W209 Engine Code Designation: M272 👋 Introduction Market Position Segment: Entry-level Luxury Coupe/Convertible Competitive Analysis Key Competitors: BMW 3 Series Coupe/Convertible, Audi A4 Cabriolet, Lexus SC, Infiniti G35 Coupe Key Features Selling Points: Elegant styling, comfortable interior, refined ride quality, powerful V6 engine, Mercedes-Benz engineering and brand prestige. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Component Replacement, Electrical Systems, Bodywork Page Count Estimated Pages: Extensive (Software-based, searchable; typically equivalent to 1000+ printed pages) Manual Type Type: Digital Service Manual Software Language Language: English Format Format: Software Application (likely searchable PDF or proprietary digital format) 📖 Manual Coverage Systems Covered Powertrain: Engine (M272 V6), Transmission (7G-TRONIC 722.9), Drivetrain Chassis: Suspension (Front: MacPherson Strut; Rear: Multi-link), Steering, Brakes (Front: Ventilated Discs; Rear: Solid Discs), Wheels and Tires Electrical: Wiring Diagrams, Lighting Systems, Instrument Cluster, CAN Bus Communication, Body Control Modules (BCM), Engine Control Module (ECM), Transmission Control Module (TCM) Body: Exterior Body Panels, Doors, Hood, Trunk, Glass, Convertible Top Mechanism (if applicable), Interior Trim, Seats Procedures Included Maintenance: Scheduled Maintenance Intervals, Fluid Changes (Oil, Coolant, Brake Fluid, Transmission Fluid), Filter Replacements, Spark Plug Replacement, Belt Inspection/Replacement Repair: Engine Assembly/Disassembly, Transmission Overhaul, Brake System Repairs, Suspension Component Replacement, Steering System Repairs, Electrical Component Diagnosis and Replacement, Body Panel Repair/Replacement, Convertible Top System Repair Diagnostics: Troubleshooting Guides, Fault Code Interpretation (OBD-II), Diagnostic Procedures for all major systems, Sensor Testing Technical Depth Depth: Comprehensive: From basic fluid checks and filter replacements to full engine and transmission rebuilds, including detailed electrical system troubleshooting. 📊 Manual Specifications File Format Compatibility: Windows PC compatible (likely requires installation) Print Quality Printability: Printable pages (individual sections or full manual) Binding Type Format Type: Software (Not a physical book, therefore no binding type) Paper Type Format Type: Digital (Not applicable) ⚙️ Engine Specifications Primary Engine Engine Type: V6, Naturally Aspirated Displacement: 3.5 Liters (3498 cc) Engine Code: M272.962 Bore X Stroke: 92.6 mm x 86.0 mm Compression Ratio: 10.7:1 Valvetrain: DOHC, 4 valves per cylinder, Variable Valve Timing (VVT) Performance Horsepower: 268 hp @ 6000 rpm Torque: 258 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Sequential Port Injection Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management ECU Type: ME 9.7 (Bosch) 🔧 Transmission Standard Type: 7-Speed Automatic Transmission Code: 7G-TRONIC (722.9) Features Modes: Comfort (C) and Sport (S) modes Fluid Specifications Fluid Type: MB Approved ATF (e.g., Mobil ATF 134, Shell Spirax S6 ATF X, Fuchs Titan ATF 4134) Fluid Capacity: Approx. 9 Liters (for complete fill; check specific service procedures) 📐 Dimensions Exterior Length: 183.1 inches (4650 mm) Width: 69.7 inches (1770 mm) Height: 54.5 inches (1385 mm) Wheelbase: 106.0 inches (2690 mm) Weights Curb Weight: Approx. 3700-3900 lbs (1680-1770 kg) Gross Vehicle Weight Rating: Approx. 4700 lbs (2130 kg) Cargo Trunk Volume: Approx. 13.2 cu ft (374 Liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver), 5-Star (Passenger) IIHS Side Impact: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Esp: Standard Electronic Stability Program (ESP) Traction Control: Standard Traction Control System (ASR) Passive Features Airbags: Front Airbags, Side Airbags, Front and Rear Side Curtain Airbags (standard) Seat Belts: 3-point inertia-reel seat belts with pre-tensioners and force limiters Rollover Protection: Pop-up roll bars (for convertible models) 💡 Technology Features Infotainment Audio System: COMAND (Cockpit Management and Navigation) APS with optional 6-disc CD changer, AM/FM radio, optional Harman Kardon surround sound system. Navigation: Optional GPS Navigation system integrated into COMAND head unit. Driver Assistance Cruise Control: Standard Cruise Control with SPEEDTRONIC variable speed limiter. Connectivity Bluetooth: Optional MHI (Mobile Handset Interface) for Bluetooth connectivity. Convenience Keyless Entry: Standard Keyless-Go optional. Lighting Headlights: Standard Halogen projector headlamps; optional Bi-Xenon headlamps with Active Curve Illumination. 🔧 Maintenance Service Intervals Oil Change Interval: Flexible service system (ASSYST) indicates based on driving conditions, typically around 10,000-15,000 miles or 12 months. Major Service Interval: Refer to service booklet; typically includes spark plugs, transmission service, brake fluid flush at specific mileage intervals (e.g., 60,000 miles for spark plugs). Fluid Specifications Engine Oil Type: MB 229.5 or MB 229.51 Synthetic Engine Oil (e.g., 0W-40 or 5W-40) Engine Oil Capacity: 8.5 US quarts (8.0 Liters) Coolant Type: MB Approved Antifreeze/Coolant (e.g., MB-Approved antifreeze concentrate, G48 specification) Brake Fluid Type: DOT 4 Plus (or specified MB fluid) Known Issues Common Problems: Variable Valve Timing (VVT) actuator failure, oil leaks from valve cover gaskets, coolant leaks from thermostat housing, transmission soft shifting or errors (early 722.9 units), SAM module issues, catalytic converter failure. Filter Part Numbers Oil Filter: Example: Mann-Filter HU718/5z, Mahle OX350/1DE, Hengst E1000H Cabin Air Filter: Example: Mann-Filter CU2936, Bosch 1987432037 📚 Vehicle History Brand Heritage Manufacturer History: Mercedes-Benz, a German automotive manufacturer, has a legacy...