🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL550 Year: 2009 Product Type: Service & Repair Manual Software Codes Chassis Code: R230 👋 Introduction Market Position Positioning: The 2009 Mercedes-Benz SL550 (R230) represents the pinnacle of luxury grand touring convertibles, combining advanced technology, powerful performance, and sophisticated styling. Competitive Analysis Competitors: Competed against models such as the Porsche 911 Cabriolet, BMW 6 Series Convertible, and Jaguar XK Convertible. Key Features Highlights: Retractable hardtop (Vario-Roof), Active Body Control (ABC) suspension, powerful V8 engine, luxurious interior, advanced safety features. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, diagnostic, and maintenance information for the 2009 Mercedes-Benz SL550. Page Count Estimated Pages: 1000+ Manual Type Type: Software (Digital Download/Access) Language Language: English Format Format: Software/Digital 📖 Manual Coverage Systems Covered Powertrain: Engine (4.7L V8 M273), Transmission (7G-TRONIC 722.9), Exhaust, Fuel System, Cooling System, Ignition System. Chassis: Suspension (ABC - Active Body Control), Steering, Brakes (ABS, ESP), Wheels, Tires. Electrical: Engine Control Module (ECM), Body Control Module (BCM), Lighting, Instrumentation, Infotainment, Power Systems, CAN Bus Diagnostics. Body And Interior: Body Panels, Doors, Seats, Convertible Top System (Vario-Roof), Climate Control (HVAC), Interior Trim, Restraint Systems (Airbags, Seatbelts). Procedures Included Maintenance: Scheduled maintenance intervals, fluid checks and changes, filter replacements, lubrication. Diagnostics: Troubleshooting flowcharts, diagnostic trouble codes (DTCs), electrical schematic interpretation, component testing. Repair: Engine overhaul, transmission repair, brake system repair, suspension component replacement, electrical component repair, convertible top mechanism repair. Special Procedures: Vario-Roof system calibration and repair, ABC system bleeding and component replacement, SDS (Star Diagnostic System) integration for module programming and configuration. Technical Depth Depth: Detailed technical specifications, assembly/disassembly procedures with torque values, wiring diagrams, component locations, system overviews, and diagnostic strategies for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Format: Proprietary Software/Database (typically accessed via a web portal or installed application). Print Quality Print Quality: N/A (Digital Format) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: M273.961 Configuration: 4.7L (4663 cc) DOHC 32-valve V8 Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4500 rpm Fuel System Induction: Naturally Aspirated, Electronic Fuel Injection (EFI) Fluid Specifications Engine Oil Type: SAE 0W-40 Synthetic (MB Approval 229.5) Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., ZEREX G-48 or equivalent MB-approved product), typically a 50/50 mix. Technical Specifications Bore X Stroke: 92.9 mm x 86.0 mm Compression Ratio: 10.7:1 🔧 Transmission Standard Transmission Type: 7-speed Automatic (7G-TRONIC) Transmission Code: 722.9 Optional Optional Transmission: N/A for SL550 in 2009 Features Transmission Features: TouchShift paddle shifters, Comfort, Sport, and Manual modes. Fluid Specifications Transmission Fluid Type: MB Specification 236.14 (e.g., Pentosin ATF134 or equivalent MB-approved ATF) Fluid Capacities Transmission Fluid Capacity: Approx. 9.0 liters (check manual for exact figure during service) 📐 Dimensions Exterior Length: 178.7 in. (4539 mm) Width: 73.7 in. (1872 mm) Height: 51.6 in. (1311 mm) Wheelbase: 100.8 in. (2560 mm) Weights Curb Weight: Approx. 4277 lbs. (1939 kg) Cargo Trunk Volume: 11.2 cu ft (with roof up), 7.9 cu ft (with roof down) 🛡️ Safety Features Ratings NHTSA Rating: Not specifically rated, but equipped with advanced safety systems. Active Features Active Safety: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Brake Assist (BAS), Active Body Control (ABC) with cross-wind stabilization, Tire Pressure Monitoring System (TPMS). Passive Features Passive Safety: Front and side airbags, head airbags, pop-up roll bar, seatbelt pretensioners, crumple zones. 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation). Features: AM/FM radio, CD player, HDD navigation, Bluetooth connectivity, optional Harman Kardon surround sound system, voice control. Driver Assistance Driver Assistance Features: Distronic (adaptive cruise control), Parktronic (parking sensors), Bi-Xenon headlamps with Active Curve Illumination. Connectivity Connectivity Options: Bluetooth for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Minor Service: Every 10,000 miles or 12 months (whichever comes first), includes oil and filter change, tire rotation, multi-point inspection. Major Service: Around 30,000 miles or 3 years (includes items from minor service plus cabin air filter, engine air filter replacement, brake fluid flush, transmission fluid and filter service - consult manual for specific intervals and items). Fluid Specifications Brake Fluid Type: DOT 4 Plus (MB Approval 331.0) Fluid Capacities Engine Oil Capacity: Approx. 8.5 liters (with filter change) Known Issues Common Issues: ABC suspension leaks (struts, hydraulic lines), Vario-Roof hydraulic cylinder leaks or mechanism failures, ignition coil failures, mass air flow sensor issues, potential rust on underbody components if exposed to harsh climates. Parts Information Example Oil Filter P N: A2731800009 (Consult manual or parts catalog for exact part number for your VIN) 📚 Vehicle History Brand Heritage Heritage: Mercedes-Benz has a long-standing reputation for producing high-quality, luxurious, and technologically advanced vehicles, particularly in the sports car and luxury convertible segments. Model Evolution R230 Generation: The R230 generation of the SL-Class (2003-2011) was...