🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Trim: SL550 Sport Year: 2008 Codes Chassis Code: R230 Generation Generation Code: Facelift 2 (2008-2012) 👋 Introduction Market Position Segment: Luxury Grand Tourer Convertible Target Audience: Affluent buyers seeking performance, luxury, and open-top driving experience Competitive Analysis Key Competitors: Porsche 911 Cabriolet, BMW 6 Series Convertible, Jaguar XK Convertible, Maserati GranTurismo Convertible Key Features Body Style: Retractable Hardtop Convertible (Vario-Roof) Design Language: Sleek, athletic lines with distinctive Mercedes-Benz styling cues Powertrain Emphasis: Performance-oriented V8 engine Sport Package: Often includes enhanced suspension, wheels, and styling elements 📋 Manual Details Coverage Areas Primary Coverage: Vehicle operation, maintenance, and features Secondary Coverage: Safety systems, climate control, entertainment, security Technical Sections: Engine compartment, fuel, oil, battery, air filter, accessories Maintenance Focus: Scheduled maintenance, fluid specifications, refill capacities Safety Reporting: Reporting safety defects (U.S. only) Page Count Estimated Page Count: Approximately 300-400 pages (typical for this model/year) Manual Type Type: Owner's Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine operation, fuel, lubricants, battery, air intake Chassis: Brakes, steering, suspension (operation and basic care) Electrical: Lights, instrument cluster, driver controls, locks and security Comfort: Climate controls, seating, restraints Infotainment: Entertainment systems (basic operation) Procedures Included Operation: How to start, drive, park, and operate vehicle functions Maintenance: Checking fluid levels, tire pressure, basic cleaning Troubleshooting: Warning lights, common operational alerts Safety: Proper use of seat belts, airbags, child restraints Security: Remote key operation, anti-theft system Technical Depth Depth: Consumer-level understanding and operation of vehicle features and basic maintenance Diagnostic Capability: Limited; focuses on identifying symptoms and referring to service centers Repair Scope: Excludes detailed repair procedures, component removal/installation, or diagnostics requiring specialized tools 📊 Manual Specifications File Format Type: Digital (PDF) Compatibility: Requires PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader) Searchability: Typically searchable text within the PDF Print Quality Quality: Digital reproduction of factory original, quality dependent on source scan Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) Completeness Source: Factory Owner's Manual ⚙️ Engine Specifications Primary Engine Engine Code: M273 Engine Type: Naturally Aspirated V8 Displacement: 5.5 Liters (5461 cc) Bore X Stroke: 98.0 mm x 90.5 mm Compression Ratio: 10.7:1 Valve Train: SOHC, 4 valves per cylinder, variable valve timing (VVT) Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4800 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Fuel Tank Capacity: Approximately 19.2 gallons (72.7 liters) 🔧 Transmission Standard Transmission Type: 7-speed Automatic with TouchShift Transmission Code: 7G-TRONIC Features Drive Modes: Comfort (C) and Sport (S) modes Manual Mode: TouchShift manual shifting via gear selector or steering wheel paddles Fluid Specifications Transmission Fluid Type: MB 236.12 (e.g., Mobil ATF 134, Pentosin ATF1) 📐 Dimensions Exterior Length: 171.1 inches (434.6 mm) Width: 73.1 inches (185.7 mm) Height: 51.7 inches (131.3 mm) Wheelbase: 98.8 inches (250.9 mm) Front Track: 62.4 inches (158.5 mm) Rear Track: 61.2 inches (155.4 mm) Weights Curb Weight: Approximately 4,156 lbs (1885 kg) Gross Vehicle Weight Rating: Approximately 5,115 lbs (2320 kg) Cargo Trunk Volume Top Up: Approximately 12.4 cu ft (350 liters) Trunk Volume Top Down: Approximately 9.0 cu ft (255 liters) 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated by NHTSA for this specific configuration, but Mercedes-Benz generally prioritizes safety. IIHS Side Impact: Not rated by IIHS for this specific configuration. Active Features ABS: Anti-lock Braking System (ABS) Esp: Electronic Stability Program (ESP) Bas: Brake Assist System (BAS) Traction Control: Traction Control System (TCS) Tire Pressure Monitoring: Tire Pressure Monitoring System (TPMS) Passive Features Airbags: Driver and front passenger airbags, front side airbags, knee airbags Rollover Protection: Pop-up roll bars behind headrests Seatbelts: 3-point inertia-reel seat belts with belt tensioners and force limiters Child Seat Anchors: ISOFIX/LATCH system compatibility 💡 Technology Features Infotainment Head Unit: COMAND (Cockpit Management and Navigation EXpert) APS system Navigation: Integrated GPS navigation system (map data may require updates) Audio System: AM/FM radio, CD player, typically with Harman Kardon surround sound system as an option Connectivity: Bluetooth connectivity for hands-free calling and audio streaming (availability may vary by specific options) Display: Central color display screen in dashboard Driver Assistance Cruise Control: Distronic Plus (optional adaptive cruise control), standard cruise control Parking Assistance: PARKTRONIC parking sensors (front and rear) Lighting: Bi-xenon headlights with adaptive frontlight system, LED taillights 🔧 Maintenance Service Intervals Minor Service: Typically every 10,000 miles or 1 year, focusing on oil and filter change, and inspections. Major Service: Often at 30,000, 60,000, 90,000 miles, including additional fluid changes (transmission, coolant, brake), spark plugs, and filter replacements. Fluid Specifications Engine Oil Type: SAE 0W-40 or 5W-40 Synthetic Engine Oil meeting Mercedes-Benz Specification 229.5 Engine Oil Capacity: Approximately 8.5 quarts (8.0 liters) with filter change Coolant Type: MB 325.0 (Antifreeze/Coolant, Blue...