🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Model Code: R230 Year: 2009 Codes Chassis Code: R230 Platform Code: R230 👋 Introduction Market Position Segment: Luxury Grand Tourer Convertible Target Audience: High-net-worth individuals seeking performance, comfort, and luxury Competitive Analysis Key Competitors: BMW 6 Series Convertible, Jaguar XK Convertible, Porsche 911 Carrera Cabriolet Key Features Features: Retractable hardtop (Vario-roof), advanced suspension systems (ABC), powerful V8 and V12 engines, luxurious interior, cutting-edge technology Manual Advantage: Provides access to the same level of detail and accuracy as dealership technicians, enabling complex DIY repairs and informed maintenance decisions. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z for the 2009 Mercedes-Benz SL-Class (R230) Vehicle Specificity: Vehicle-specific, not generic repair information User Type: Designed for professional dealership technicians Page Count Estimated Page Count: Extensive (exact count not provided, typical for comprehensive factory manuals, likely 1000+ pages) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Likely Digital (PDF or similar, common for modern service manuals for searchability and ease of use) 📖 Manual Coverage Systems Covered Powertrain: Engine, fuel system, ignition system, cooling system, exhaust system, transmission (automatic), drivetrain (rear-wheel drive) Chassis: Suspension (Active Body Control - ABC, Airmatic), steering system, braking system (including ABS, ESP), wheels and tires Electrical: Electrical system, battery, charging system, starter, lighting system, instrument cluster, body control module (BCM), infotainment system, navigation, communication systems, sensors, actuators, fuse boxes, wiring diagrams Body: Body structure, exterior panels, doors, hood, trunk lid, convertible top mechanism, interior trim, seats, climate control system (HVAC) Diagnostics: Diagnostic trouble codes (DTCs), troubleshooting procedures, fault finding, component testing, use of diagnostic equipment (e.g., STAR diagnosis) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, brake pad replacement, tire rotation, battery maintenance Repair: Component removal and installation, engine rebuild procedures, transmission overhaul, suspension component replacement, brake caliper overhaul, electrical component repair, convertible top system repair Troubleshooting: Step-by-step diagnostic flowcharts, symptom-based troubleshooting, electrical system diagnostics, mechanical component diagnostics Specifications: Torque specifications, tightening sequences, diagnostic data, performance benchmarks Technical Depth Depth: Comprehensive, covering all aspects from basic routine maintenance to complex electrical diagnostics and mechanical component overhaul Detail Level: Detailed illustrations, diagrams, service data, and procedures as used by factory-trained technicians 📊 Manual Specifications File Format Format: Likely PDF (searchable, printable, high-resolution) Print Quality Quality: High quality, clear diagrams and text (if printed version) Binding Type Type: N/A (Digital format) Paper Type Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code Example: M272 (for SL350), M273 (for SL500/SL550) Engine Type: Naturally Aspirated V6 and V8 (depending on specific SL model variant within the R230 generation for 2009) Displacement Sl350: 3.5 Liters Horsepower Sl350: 268 hp @ 6000 rpm (approx.) Torque Sl350: 258 lb-ft @ 2400-5000 rpm (approx.) Displacement Sl550: 5.5 Liters Horsepower Sl550: 382 hp @ 6000 rpm (approx.) Torque Sl550: 391 lb-ft @ 2800-4000 rpm (approx.) Performance 0 60 Mph Sl350: Approx. 6.5 seconds 0 60 Mph Sl550: Approx. 4.8 seconds Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Type: 7-speed Automatic with TouchShift (7G-TRONIC) Optional Availability: Not applicable for 2009 model year as standard on all variants listed. Features Features: Electronic control, manual shifting mode (TouchShift), adaptive shifting programs Fluid Specifications Fluid Type: MB Transmission Fluid (ATF) 236.14 (e.g., Pentosin ATF 1) 📐 Dimensions Exterior Length: 171.3 inches Width: 73.2 inches Height: 52.5 inches Wheelbase: 100.6 inches Weights Curb Weight Sl350: Approx. 4100 lbs Curb Weight Sl550: Approx. 4200 lbs Gross Vehicle Weight Rating: Varies by model, consult vehicle VIN 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 5-Star (as a general benchmark for the R230 generation) IIHS Top Safety Pick: Likely received good ratings, specific 'Top Safety Pick' status may vary by year and testing criteria. Active Features Electronic Stability Program: Standard (ESP - Electronic Stability Program) Antilock Braking System: Standard (ABS) Traction Control: Standard (ASR - Acceleration Slip Regulation) Passive Features Airbags: Front airbags, side airbags, knee airbags (driver), rollover protection system (automatic deployment) Seatbelts: Three-point inertia-reel seatbelts with front pretensioners and belt force limiters Convertible Top Safety: Integrated rollover protection bars behind the seats 💡 Technology Features Infotainment System Name: COMAND APS (Cockpit Management and Navigation) Features: Navigation system, CD/DVD player, AM/FM radio, integrated hands-free calling (Bluetooth), optional Harman Kardon sound system Driver Assistance Features: Adaptive Cruise Control (DISTRONIC), Bi-Xenon Headlights with Active Curve Illumination, Parktronic parking assist, Tire Pressure Monitoring System (TPMS) Connectivity Bluetooth: Standard for hands-free calling, limited media streaming capabilities on early systems. Other Tech Keyless Go: Optional keyless entry and ignition system 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 1 year, whichever comes first (based on Mercedes-Benz Flexible Service System - FSS) Major Service A: Usually around 10,000 miles...