🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Model Variant: SLK350 Year: 2009 Generation Generation Code: R171 Generation Years: 2004-2011 👋 Introduction Market Position Segment: Compact Luxury Sports Roadster Key Competitors: BMW Z4, Audi TT Roadster, Porsche Boxster Key Features Body Style: Two-door convertible with retractable hardtop (VARIO-ROOF) Design Philosophy: Sporty, elegant, driver-focused 📋 Manual Details Coverage Areas Primary Coverage: Owner's Information Secondary Coverage: Basic Maintenance, Specifications, Systems Operation Page Count Estimated Pages: 350-450 Manual Type Type: Owner's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (overview), Fuel System, Engine Oil, Coolant, Air Filter Chassis: Brakes, Steering, Suspension (basic operation) Electrical: Instrument Cluster, Lighting Systems, Battery, Fuses (location reference) Interior Systems: Climate Control, Seating, Safety Restraints, Locks and Security, Entertainment Systems Procedures Included Operation: Driver Controls, Starting and Driving, Parking Maintenance: Fluid Level Checks, Tire Pressure Monitoring, Basic Cleaning Safety: Seatbelt Usage, Airbag System Information, Child Seat Installation Guidance, Reporting Safety Defects (US) Technical Depth Depth: Owner-level understanding and basic maintenance procedures 📊 Manual Specifications File Format Compatibility: PDF Reader (Acrobat Reader, Foxit, etc.) Searchability: Text-searchable within PDF Print Quality Digital Quality: High-resolution scanned factory original Binding Type Binding: Not Applicable (Digital PDF) Paper Type Paper: Not Applicable (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: M272 Engine Type: Naturally Aspirated V6 Displacement: 3.5 Liters (3498 cc) Bore X Stroke: 92.9 mm x 88.3 mm Compression Ratio: 10.7:1 Performance Horsepower: 268 hp @ 6000 rpm Torque: 258 lb-ft (350 Nm) @ 2400-5000 rpm Fuel System Fuel Delivery: Sequential Multi-port Fuel Injection (SFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Compartment Engine Oil Type: MB 229.5 Specification (e.g., Mobil 1 0W-40 Synthetic) Engine Oil Engine Oil Capacity: 8.0 Liters (8.5 US Quarts) Air Filter Air Filter Part Number Example: A2720900001 Refill Capacities Coolant Capacity: 8.5 Liters (8.9 US Quarts) 🔧 Transmission Standard Transmission Type: 7-Speed Automatic (7G-TRONIC) Transmission Fluid Spec: MB 236.14 Specification (e.g., Shell Spirax S6 ATF ZM) Features Shift Modes: Comfort (C) and Sport (S) Manual Mode: TOUCHSHIFT (paddle shifters on steering wheel) 📐 Dimensions Exterior Length: 4083 mm (160.75 inches) Width: 1775 mm (69.88 inches) Height: 1301 mm (51.22 inches) Wheelbase: 2430 mm (95.67 inches) Weights Curb Weight: Approximately 1540 kg (3395 lbs) Cargo Trunk Volume Roof Up: 208 Liters (7.3 cu ft) Trunk Volume Roof Down: 171 Liters (6.0 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Likely, based on model year and safety features) IIHS Side Impact: Good (Likely, based on model year and safety features) Active Features ABS: Anti-lock Braking System Esp: Electronic Stability Program (ESP) Tire Pressure Monitoring: Standard Passive Features Airbags: Front airbags, Side airbags, Knee airbags (driver) Rollover Protection: Pop-up roll bars Seat Belts: Pretensioners and force limiters 💡 Technology Features Infotainment Head Unit: COMAND APS (optional, standard may differ) Navigation: Available via COMAND APS with DVD or HDD-based system Audio System: Standard Sound System, optional Harman Kardon LOGIC 7 surround sound Driver Assistance Cruise Control: Standard Cruise Control, optional DISTRONIC (adaptive cruise control) Connectivity Bluetooth: Available for hands-free calling (MHI - Mobile Hands-Free Interface) 🔧 Maintenance Service Intervals Oil Change Interval: Variable, typically based on 'Service A' or 'Service B' indicators (approx. 10,000-15,000 miles or 1 year) Transmission Fluid Change: Recommended every 40,000 - 60,000 miles (refer to manual for specifics) Brake Fluid Change: Every 2 years Fluid Specifications Power Steering Fluid: MB-Approval 343.0 Hydraulic Fluid Brake Fluid Type: DOT 4 Plus (MB 331.0) Known Issues Common Wear Items: Suspension bushings, O2 sensors, ignition coils, MAF sensors, Vario-Roof hydraulic system components Engine M272 Specifics: Potential for balance shaft wear in earlier versions; 2009 models generally less prone but inspection recommended during major services. 📚 Vehicle History Brand Heritage Heritage Focus: Luxury, performance, engineering excellence Model Evolution R171 Updates: Minor facelift in 2008 with revised bumpers, grille, and interior trim. Production Manufacturing Plant: Bremen, Germany 🏆 Awards & Recognition Recognitions Ward 25 Best Engines: M272 V6 engine was recognized by Ward's AutoWorld in 2006 for its refinement and efficiency.