🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL550 Year: 2007 Codes Chassis Code: R230 👋 Introduction Market Position Vehicle Class: Luxury Grand Tourer / Roadster Competitors 2007: BMW 6 Series Convertible, Porsche 911 Cabriolet, Jaguar XK Convertible, Lexus SC 430. Key Features Target Audience: Discerning buyers seeking a blend of performance, luxury, and advanced technology in a convertible package. Powertrain Emphasis: Powerful V8 engine and sophisticated Active Body Control suspension were hallmarks of the SL550. Convertible Design: Retractable hardtop (Vario-roof) offering coupe-like security and open-air driving experience. Competitive Analysis Usp Vs Competitors: Superior ride comfort via ABC, robust build quality, and extensive luxury features often set the SL apart. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Software (likely CD-ROM or downloadable digital format) Page Count Estimated Page Count: Extensive, typical of official factory service manuals (thousands of pages) 📖 Manual Coverage Systems Covered Engine: All aspects of the 5.5L V8 M273 engine, including assembly, disassembly, diagnostics, and troubleshooting. Transmission: Service and repair procedures for the 7G-TRONIC automatic transmission (722.9). Drivetrain: Rear-wheel drive system, differential, axles, and driveshafts. Suspension: Active Body Control (ABC) suspension system, components, diagnostics, and service procedures. Brakes: Hydraulic braking system, ABS, ESP, brake pad/rotor replacement, fluid bleeding, and component diagnostics. Steering: Power steering system, steering column, and wheel alignment specifications. Electrical System: Comprehensive coverage of the entire electrical system, including wiring diagrams, component testing, fuse/relay locations, and module diagnostics. Climate Control: Automatic climate control system, A/C refrigerant handling, component testing, and troubleshooting. Body And Interior: Body panel removal/installation, interior trim, seating mechanisms, convertible top system (Vario-roof), and associated hydraulics. Infotainment And Comfort: COMAND infotainment system, audio components, navigation, telematics, and comfort features. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement. Diagnostic Procedures: Troubleshooting guides for common and uncommon faults, diagnostic trouble codes (DTCs), and symptom-based diagnostics. Repair And Rebuild: Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation. Calibration And Adjustment: Procedures for calibrating various sensors, control modules, and systems (e.g., steering angle sensor, ride height). Wiring Diagrams: Complete and detailed electrical schematics for all vehicle systems. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic maintenance to in-depth component overhaul and system diagnostics. Diagnostic Tools: Information often implies the use of factory diagnostic tools like STAR Diagnosis (XENTRY/DAS). 📊 Manual Specifications File Format Software Requirements: Requires a compatible operating system (e.g., Windows XP/Vista/7) and potentially specific software environments for full functionality. Print Quality Printability: Designed for digital access; printable pages can be generated for individual procedures or sections. Binding Type Binding Type: N/A (Software format) Paper Type Paper Type: N/A (Software format) ⚙️ Engine Specifications Primary Engine Engine Code: M273.963 Engine Type: Naturally Aspirated V8 Displacement: 5461 cc (5.5 Liters) Bore X Stroke: 98.0 mm x 90.5 mm Compression Ratio: 10.7:1 Valve Train: SOHC, 4 valves per cylinder with variable valve timing (VVT) Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft (530 Nm) @ 2800-4500 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management: Bosch Motronic ME 9.7 (or similar) 🔧 Transmission Standard Transmission Type: 7-speed Automatic Transmission Transmission Model: 7G-TRONIC (722.9) Features Transmission Modes: Comfort (C) and Sport (S) modes Transmission Fluid Type: MB-Approval 236.14 (e.g., Shell Spirax S6 ATF ZM, Fuchs Titan ATF 4134) 📐 Dimensions Exterior Length: 171.2 inches (4348 mm) Width: 71.0 inches (1803 mm) Height: 51.7 inches (1313 mm) Wheelbase: 100.8 inches (2560 mm) Front Track: 60.2 inches (1530 mm) Rear Track: 59.3 inches (1505 mm) Weights Curb Weight: Approximately 4100 - 4300 lbs (1860 - 1950 kg), depending on options. Gross Vehicle Weight Rating: Approx. 5290 lbs (2400 kg) Towing Capacity: Not Specified/Recommended for US Models 🛡️ Safety Features Ratings NHTSA Front Crash Rating: Likely 5-star (based on contemporary Mercedes-Benz safety standards) IIHS Ratings: Refer to IIHS for specific crash test results; expected to perform well in contemporary tests. Active Features ABS: Anti-lock Braking System (ABS) Esp: Electronic Stability Program (ESP) with Traction Control Bas: Brake Assist System (BAS) Distronic Plus: Optional DISTRONIC PLUS (adaptive cruise control) Passive Features Airbags: Front airbags, side airbags, head protection airbags, integrated roll-bar system. Seatbelts: 3-point inertia-reel seat belts with belt tensioners and force limiters. Windshield: Laminated safety glass windshield 💡 Technology Features Infotainment Infotainment System: COMAND APS (Cockpit Management and Navigation) system Audio Options: Harman Kardon LOGIC 7 surround sound system (often optional) Driver Assistance Adaptive Cruise Control: DISTRONIC PLUS (optional feature) Parking Assistance: Front and rear parking sensors (PARKTRONIC) Connectivity Bluetooth Interface: Bluetooth connectivity for hands-free calling and audio streaming (via Media Interface, often with adapter) Telematics: Optional Mercedes-Benz Tele Aid system 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever...