🏷️ Basic Information Identification Make: Mercedes-Benz Model: CLK350 Year: 2007 Codes Chassis Code: A209 Engine Code: M272 E35 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer (GT) Coupe/Convertible Competitive Analysis Competitors: BMW 6 Series, Audi A5, Lexus SC 430, Cadillac XLR Key Features Design Philosophy: Elegant styling, refined driving dynamics, luxurious interior, powerful yet smooth V6 engine Manual Value Target Audience: Mercedes-Benz CLK350 owners, independent repair shops, DIY enthusiasts Benefit: Empowers users to perform accurate diagnostics and repairs, saving time and money on dealership service 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and maintenance Page Count Estimated Page Count: 1000+ Manual Type Manual Format: Software (Digital) Language Language: English Format Delivery Method: Digital Download 📖 Manual Coverage Systems Covered Engine: 3.5L V6 (M272) - diagnostics, repair, overhaul, timing system, cooling system, lubrication system, fuel delivery Transmission: 7G-TRONIC (722.9) Automatic Transmission - diagnostics, repair, fluid service, electronic control unit (TCU) Drivetrain: Rear-wheel drive (RWD), differentials, drive shafts, axles Suspension: Front and rear suspension components, struts, springs, control arms, bushings, alignment specifications Brakes: ABS, ESP, brake system components (rotors, pads, calipers), hydraulic system, parking brake Steering: Power steering system, steering column, steering rack, electronic power steering (EPS) if applicable Electrical: 12V electrical system, battery, alternator, starter, fuse box diagrams, wiring schematics, lighting systems, instrument cluster Body: Body panels, doors, hood, trunk, convertible top mechanism (for Cabriolet models), interior trim, glass HVAC: Automatic climate control, A/C system refrigerant, blower motor, HVAC control module Safety Systems: Airbag system (SRS), seat belt pre-tensioners, crash sensor diagnostics Infotainment: COMAND NTG 2.5 (navigation, audio system, telematics), instrument cluster functions Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, spark plug replacement, fluid checks and changes Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, common fault diagnosis Repair: Component removal and installation, engine rebuild procedures, transmission overhaul, brake system repairs, electrical component replacement Diagnostics: OBD-II diagnostics, Mercedes-Benz proprietary diagnostic protocols, sensor testing, actuator testing Specifications: Torque specifications for all fasteners, clearances, pressures, voltages, component data Wiring Diagrams: Detailed electrical system wiring diagrams for all major systems Technical Depth Depth: Detailed, from basic maintenance to complex engine and transmission rebuilds, including electronic system diagnostics 📊 Manual Specifications File Format Software Type: Executable Software / Interactive Manual Print Quality Digital Resolution: High-resolution, searchable text and clear diagrams Binding Type Binding: N/A (Digital Software) Paper Type Paper Quality: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: V6, SOHC (later DOHC variants for M272), 24 valves Displacement: 3.5 Liters (3498 cc) Performance Horsepower: 268 hp @ 6000 rpm Torque: 258 lb-ft @ 3500 rpm Fuel System Fuel Injection: Sequential Electronic Fuel Injection (SEFI) Recommended Fuel: Premium Unleaded Gasoline (91+ Octane) Engine Management ECU Type: ME 9.7 Emission Controls Emission Standards: Meets EPA standards for 2007 🔧 Transmission Standard Transmission Type: 7G-TRONIC 7-speed automatic Optional Manual Transmission: Not available for 2007 CLK350 Features Transmission Modes: Comfort (C) and Sport (S) modes Transmission Fluid: MB Specification 236.14 (e.g., Pentosin ATF1 or equivalent) 📐 Dimensions Exterior Length: 183.1 inches (4651 mm) Width: 70.2 inches (1783 mm) Height: 53.7 inches (1364 mm) Wheelbase: 106.0 inches (2693 mm) Weights Curb Weight: 3715 lbs (1685 kg) Gross Vehicle Weight Rating: 4564 lbs (2070 kg) 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star NHTSA Side Crash: 5-Star Active Features Traction Control: ASR (Acceleration Skid Control) Stability Control: ESP (Electronic Stability Program) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, front and rear head protection airbags (window bags) Seat Belts: 3-point inertia-reel seat belts with pre-tensioners and belt-force limiters Rollover Protection: Active roll-bar system for convertible models 💡 Technology Features Infotainment Infotainment System: COMAND APS (NTG 2.5) with 7-inch display, CD/DVD player, AM/FM radio, optional navigation Audio System: Standard 8-speaker audio system, optional Harman Kardon surround sound Driver Assistance Cruise Control: Standard cruise control with speed limiter Parking Assistance: Optional Parktronic parking sensors (front and rear) Connectivity Bluetooth: Optional Bluetooth connectivity for hands-free calling (requires cradle or adapter) Convenience Keyless Entry: Standard Keyless-Go optional 🔧 Maintenance Service Intervals Oil Change Interval: Up to 10,000 miles or 1 year (flexible service system, depending on driving conditions) Major Service A: Typically around 10,000 miles or 1 year (e.g., synthetic oil, filter, fluid checks) Major Service B: Typically around 20,000 miles or 2 years (includes Service A items plus cabin filter, brake fluid flush, etc.) Transmission Service: Recommended every 40,000 - 60,000 miles or as per flexible service system Spark Plug Replacement: Approximately 60,000 miles (check specific ignition coil recommendations) Fluid Specifications Engine Oil Type: Mobil 1 Synthetic 0W-40 (MB Approval 229.5) or equivalent Coolant Type: Mercedes-Benz Coolant/Antifreeze (MB 325.0/326.0) - typically a blue ethylene glycol based coolant Brake Fluid Type: DOT 4 Plus (MB Approval 331.0) Known Issues M272 Engine Common Issues: Intake manifold runner flaps (prone to failure due to material degradation), balance...