🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Model Variant: SL500 / SL55 AMG Year: 2003 Codes Chassis Code: R230 👋 Introduction Market Position Market Segment: Luxury Grand Tourer / Sports Convertible Competitive Analysis Competitors 2003: Porsche 911 Carrera Cabriolet, BMW 6 Series Convertible (E64 - introduced late 2003/early 2004), Jaguar XK8 Convertible, Lexus SC 430 Key Features Design Philosophy: Combines high performance, luxurious comfort, and advanced technology in a sophisticated roadster package. Retractable hardtop offers coupe versatility. R230 Generation Significance: Marked a significant technological leap with the introduction of Active Body Control (ABC) suspension and the Vario-Roof retractable hardtop. 📋 Manual Details Coverage Areas Systems Covered: Engine, Powertrain, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Bodywork, Climate Control, Infotainment, Safety Systems, Convertible Top Operation, Maintenance, Troubleshooting, Specifications, Owner Information Page Count Approximate Page Count: 300-400 pages (typical for this model/year range) Manual Type Manual Type: Owner's Manual / User's Manual / Operator's Manual Language Language: English Format Format: Printed Booklet 📖 Manual Coverage Systems Covered Engine Systems: 113.992 (5.0L V8), 113.992 Supercharged (5.5L V8 AMG); engine identification, lubrication, cooling, fuel system, ignition system, emissions control Transmission Drivetrain: 5G-TRONIC (722.6) automatic transmission; gear selection, operation, fluid specifications Chassis Suspension Steering: ABC (Active Body Control) suspension system, power steering operation Braking System: ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake system overview Electrical Lighting Accessories: Instrument cluster, lighting controls, power windows, mirrors, seats, audio system, navigation system (if equipped), keyless entry, convertible top controls Convertible Top Hardtop System: Operation and care of the Vario-Roof retractable hardtop, remote operation Procedures Included Routine Maintenance: Checking fluid levels (oil, coolant, washer fluid), tire pressure checks, wiper blade replacement, bulb replacement procedures Operation Controls: Detailed explanation of all dashboard controls, infotainment system, climate control, seat adjustments, convertible top operation Safety Features: Explanation of airbags, seatbelt usage, child seat installation recommendations Emergency Procedures: Tire changing (spare tire location or tire mobility kit, jack points), jump starting, towing information Technical Depth Depth: Consumer-oriented, focusing on operation, maintenance, and driver information. Does not include detailed diagnostic procedures or component-level repair instructions typically found in a Service Manual. 📊 Manual Specifications File Format File Format Details: Physical printed document. High-resolution scans of original pages for digital versions. Print Quality Print Quality: High-quality printing on durable paper, mirroring original manufacturer specifications. Binding Type Binding Type: Perfect bound or saddle-stitched, depending on original publication. Paper Type Paper Type: Glossy or semi-gloss, acid-free paper suitable for long-term storage and use. ⚙️ Engine Specifications Primary Engine Sl500 Engine: M113 E50 (113.992); 5.0-liter (4966 cc) Naturally Aspirated SOHC 24-valve V8 Sl55 Amg Engine: M113 ML55 (113.992); 5.5-liter (5439 cc) Supercharged SOHC 24-valve V8 (AMG) Performance Sl500 Horsepower: 302 hp @ 5600 rpm Sl500 Torque: 339 lb-ft @ 3250 rpm Sl55 Amg Horsepower: 469 hp @ 6100 rpm Sl55 Amg Torque: 516 lb-ft @ 2650-4500 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91 octane or higher) Induction Type: SL500: Multi-point Fuel Injection; SL55 AMG: Lysholm-type twin-screw supercharger with intercooler, Multi-point Fuel Injection 🔧 Transmission Standard Transmission Type: 5-speed automatic with TouchShift (5G-TRONIC - 722.6) Optional Optional Transmission: N/A for 2003 model year Features Transmission Features: Driver-adaptive shifting, manual mode (TouchShift) 📐 Dimensions Exterior Length: 177.6 inches (4510 mm) Width: 72.5 inches (1840 mm) Height: 51.7 inches (1313 mm) Wheelbase: 101.8 inches (2585 mm) Front Track: 61.9 inches (1572 mm) Rear Track: 61.4 inches (1560 mm) Weights Curb Weight Sl500: 4145 lbs (1880 kg) Curb Weight Sl55 Amg: 4470 lbs (2028 kg) Cargo Cargo Volume Trunk: Approx. 10.5 cu ft (300 L) with roof up; reduced with roof down. 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 4 Stars (Driver), 4 Stars (Passenger) - Based on similar year R230 models IIHS Ratings: Good in frontal offset crash tests (for vehicles of this era) Active Features Active Safety Systems: ABS, EBD (Electronic Brakeforce Distribution), ESP (Traction Control and Stability Control) Active Suspension: Active Body Control (ABC) - hydropneumatic suspension offering variable ride height and damping Passive Features Passive Safety Systems: Dual-stage front airbags, side airbags, integrated roll-over protection (pop-up bars) Seatbelts: 3-point inertia-reel seatbelts with belt tensioners and force limiters 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation) system with CD player, optional navigation, and harman/kardon premium audio system. Driver Assistance Driver Assistance Features: Parktronic parking assist (optional), tire pressure monitoring system (TPMS). Connectivity Connectivity Features: Integrated phone system (optional), remote keyless entry. Convenience Convenience Features: Heated and ventilated seats, multi-contour seats with massage function (optional), bi-xenon headlamps with adaptive lighting. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first. Consult manual for specific "Assyst" service indicator guidance. Major Service Intervals: Major services (e.g., spark plugs, transmission fluid) usually around 30,000-60,000 miles, depending on specific service type indicated by Assyst. Fluid Specifications Engine Oil...