🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Model Code: R171 Variant: SLK280 Year: 2007 Codes Engine Code: M272 Chassis Code: R171 👋 Introduction Market Position Segment: Compact Premium Sports Roadster Target Audience: Discerning buyers seeking a stylish, technologically advanced, and performance-oriented two-seater convertible with a luxury badge. Competitive Analysis Key Competitors: BMW Z4, Porsche Boxster, Audi TT Roadster, Chevrolet Corvette (lower trims) Key Features Defining Feature: Retractable hardtop (VARIO-ROOF), Mercedes-Benz build quality, advanced safety features, refined powertrain. 📋 Manual Details Coverage Areas Main Areas: Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. only), Cleaning, Maintenance and Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories, Service Information and Specifications, Maintenance Information and Specifications Page Count Estimated Pages: Approximately 300-400 pages (typical for factory owner's manuals of this era) Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (M272 V6), Transmission (7G-TRONIC Automatic) Chassis: Brakes (ABS, ESP), Suspension, Steering Electrical: Lighting System, Instrument Cluster, Infotainment (Audio 20, COMAND optional), Climate Control (THERMATIC/THERMOTRONIC), Power Locks, Security System, Power Seats, Convertible Top Operation Procedures Included Operation: Vehicle startup and shutdown, dashboard controls, seat adjustment, convertible top operation, infotainment system usage, climate control operation, lighting functions Maintenance: Fluid level checks (oil, coolant, brake fluid, washer fluid), tire pressure monitoring, basic cleaning procedures, recommended service intervals Safety: Seat belt usage, airbag system explanation, child seat installation guidance, emergency procedures Technical Depth Depth: Owner-level information focused on operation, basic maintenance checks, and understanding vehicle features. Does not include detailed diagnostic procedures or repair instructions found in a Service Manual. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Quality: Digital reproduction of factory original, maintaining layout and clarity. Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: V6, Naturally Aspirated Engine Code: M272.962 Displacement: 2996 cc (3.0 Liters) Bore X Stroke: 88.0 mm x 82.0 mm Compression Ratio: 10.7:1 Valve Train: DOHC, 4 valves per cylinder, Variable Valve Timing (VVT) Performance Horsepower: 228 hp @ 6000 rpm Torque: 221 lb-ft @ 2700-5000 rpm Fuel System Injection: Sequential Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) 🔧 Transmission Standard Type: 7-speed Automatic Transmission (7G-TRONIC) Optional Type: 6-speed Manual Transmission (less common) Features Automatic Modes: Comfort (C) and Sport (S) modes Transmission Fluid Type: MB Specification 236.14 (e.g., Pentosin ATF1 or equivalent) 📐 Dimensions Exterior Length: 160.5 in (4077 mm) Width: 69.5 in (1766 mm) Height: 51.0 in (1295 mm) Wheelbase: 94.5 in (2400 mm) Weights Curb Weight: Approx. 3,373 lbs (1530 kg) for automatic transmission Gross Vehicle Weight Rating: 4,178 lbs (1895 kg) Cargo Trunk Volume Top Up: 10.2 cu ft (288 liters) Trunk Volume Top Down: 6.5 cu ft (184 liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for 2007 SLK-Class models) IIHS Side Impact: Good (for 2007 SLK-Class models) Active Features Braking: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Brake Assist (BAS) Traction Control: Traction Control System (TCS) Passive Features Airbags: Driver and passenger front airbags, side airbags integrated into seat, rollover protection system (pop-up bars) Seat Belts: 3-point inertia-reel seat belts with pretensioners and belt force limiters 💡 Technology Features Infotainment Standard Audio: Audio 20 CD system with AM/FM radio, CD player, and 6-speaker sound system. Optional Audio Navigation: Optional COMAND APS (Cockpit Management and Navigation) system with larger display, navigation, and potentially CD changer/changer functionality. Connectivity: Optional Mercedes-Benz Tele Aid (emergency calling), Bluetooth connectivity for mobile phones (often requiring an adapter or specific phone compatibility). Driver Assistance Cruise Control: Standard cruise control with speed limiter. Parking Assistance: Optional PARKTRONIC parking sensors (front and rear). 🔧 Maintenance Service Intervals Oil Change: Typically every 10,000 miles or 12 months, whichever comes first. Vehicle's 'Service A' or 'Service B' indicator will prompt. Major Service: Around 30,000-60,000 miles for items like spark plugs, transmission service (fluid/filter), and brake fluid flush, depending on driving conditions. Fluid Specifications Engine Oil: SAE 0W-40 Synthetic (MB Approval 229.5) Engine Coolant: MB Specification 325.0 (Antifreeze/Coolant, Blue) Brake Fluid: DOT 4 Plus (MB Specification 331.0) Power Steering Fluid: MB Specification 343.0 (or equivalent Pentosin CHF 11S) Known Issues Common Wear Items: Suspension components (bushings, ball joints), Vario-Roof hydraulic system seals, ignition coils, MAF sensor on early M272 engines (though less common on 3.0L compared to 3.5L variants). Potential Electrical: Occasional issues with window regulators or Vario-Roof control modules. Part Numbers Oil Filter Example: Mann-Filter HU716/2x, Bosch 0986452034 (verify for specific engine/VIN) Air Filter Example: Mann-Filter C35149, K&N 33-2386 (verify for specific engine/VIN) Refill Capacities Engine Oil Capacity: 8.5 US quarts (8.0 liters) with filter change...