🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Model Variant: SL550 Year: 2007 Generation Chassis Code: R230 Generation Code: Third Generation (R230) 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer / Sports Convertible Target Audience: Affluent buyers seeking a combination of performance, luxury, comfort, and advanced technology. Competitive Analysis Key Competitors 2007: Porsche 911 Carrera, Jaguar XK, BMW 6 Series Convertible, Audi A5 Cabriolet (though A5 launched later). Key Features Retractable Hardtop: Vario-roof system offering coupe-like security and convertible freedom. Performance Focus: Powerful V8 engine and sophisticated chassis tuning for engaging driving dynamics. Luxury Appointments: High-quality interior materials, advanced comfort features, and premium audio system. Advanced Technology: COMAND APS system, AIRMATIC suspension, bi-xenon headlights. 📋 Manual Details Coverage Areas Primary Coverage: Operation, Maintenance, and Specifications for 2007 Mercedes-Benz SL550 Secondary Coverage: Safety features, climate control, entertainment, driver controls, security, cleaning, engine compartment, lubricants, part numbers, accessories, customer assistance, safety defect reporting (US). Page Count Estimated Page Count: Approximately 300-400 pages (typical for this vehicle and era) Manual Type Manual Type: Owner's Manual Source: Factory Original Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Instrument Cluster: Detailed explanation of all gauges, warning lamps, and multi-function display. Entertainment Systems: Operation of COMAND APS infotainment system, radio, CD/DVD player, navigation, and telephony features. Climate Controls: Operation of THERMOTRONIC automatic climate control, air conditioning, heating, ventilation, and seat climate controls. Lighting: Operation of headlights (bi-xenon, cornering lights), taillights, interior lighting, fog lights, and ambient lighting. Driver Controls: Functionality of steering wheel controls, cruise control, power seats, mirrors, windows, convertible roof operation, and wipers. Locks And Security: Operation of central locking, keyless entry, remote locking, alarm system, and immobilizer. Seating And Safety Restraints: Proper use of seat belts, front airbags, side airbags, head airbags (windowbags), and ISOFIX child seat anchors. Driving Assist Systems: Information on AIRMATIC DC (Dual Control) suspension, ESP (Electronic Stability Program), ABS (Anti-lock Braking System), BAS (Brake Assist System), and cruise control. Engine Compartment: Identification of key components, fluid level checks, and basic inspections. Maintenance Specifications: Essential fluid specifications, refill capacities, and basic maintenance procedures. Procedures Included Basic Maintenance: Checking fluid levels (oil, coolant, brake fluid, power steering fluid, windshield washer fluid), tire pressure checks, bulb replacement. Convertible Top Operation: Detailed instructions for operating and maintaining the retractable hardtop. Lighting Operation: Correct usage of all exterior and interior lighting functions. Driving Tips: Guidance on efficient driving, using cruise control, and understanding vehicle dynamics. Safety Feature Usage: Proper engagement and understanding of safety restraint systems and electronic aids. Technical Depth Depth Level: Comprehensive owner-level information for safe operation, routine maintenance, and basic system understanding. Diagnostic Capabilities: Limited troubleshooting guidance for common alerts and warning lights; not a repair manual. 📊 Manual Specifications File Format Compatibility: Compatible with any device capable of reading PDF files (e.g., PC, Mac, tablet, smartphone). Reader Requirement: Requires a PDF reader application (e.g., Adobe Acrobat Reader, Foxit Reader). Print Quality Digital Quality: High-resolution digital reproduction of factory original. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Engine Code: M273 (commonly) Displacement: 5.5 Liters (5461 cc) Performance Horsepower: 382 hp @ 6000 rpm Torque: 391 lb-ft @ 2800-4800 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Compartment Engine Oil Type Specification: MB 229.5 (e.g., Mobil 1 0W-40 Synthetic) Engine Oil Capacity With Filter: Approximately 8.5 U.S. Quarts (8.0 Liters) Air Filter Part Numbers: Likely A2720940204 or A2730940004 (verify based on VIN). 🔧 Transmission Standard Transmission Type: 7-speed Automatic (7G-TRONIC) Transmission Features: TouchShift manual shifting mode, Comfort and Sport modes. Optional Optional Transmission: N/A for SL550 in 2007 model year. Fluid Specifications Automatic Transmission Fluid Type: MB 236.14 (e.g., Pentosin ATF 134, Mobil ATF 134) Fluid Capacities Automatic Transmission Fluid Capacity: Approximately 9.0-9.5 U.S. Quarts (8.5-9.0 Liters) for a fluid change. 📐 Dimensions Exterior Length: 171.3 inches (4351 mm) Width: 73.1 inches (1857 mm) Height: 51.6 inches (1311 mm) Wheelbase: 98.8 inches (2509 mm) Weights Curb Weight: Approximately 4250-4300 lbs (1928-1950 kg) Cargo Trunk Volume Hardtop Up: Approximately 13.1 cubic feet (370 liters) Trunk Volume Hardtop Down: Approximately 9.1 cubic feet (258 liters) 🛡️ Safety Features Ratings NHTSA Ratings: Generally good for its era, specific ratings may vary by test year and configuration. Active Features Electronic Stability Program: Standard ESP (Electronic Stability Program) Anti Lock Brakes: Standard ABS (Anti-lock Braking System) with Brake Assist (BAS) Traction Control: ASR (Acceleration Slip Regulation) Passive Features Airbags: Front airbags, front side airbags, head airbags (windowbags). Rollover Protection: Integrated roll-over bars that deploy automatically. Seat Belts: 3-point inertia-reel seat belts with belt tensioners and force limiters. 💡 Technology Features Infotainment Infotainment System: COMAND APS (Cockpit Management and Navigation) system with a 6.5-inch color...