🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL55 AMG Year: 2003 Codes Chassis Code: R230 Engine Code: 113.992 👋 Introduction Market Position Segment: Luxury Grand Tourer / Performance Roadster Target Audience: Enthusiast owners, independent repair shops specializing in Mercedes-Benz, DIY mechanics with advanced technical skills. Competitive Analysis Competitors: Porsche 911 (996 generation), BMW Z8, Ferrari 360 Modena, Aston Martin DB7 Vantage. Key Features Vehicle Focus: High-performance AMG variant of the R230 SL-Class roadster, combining luxury, advanced technology, and potent V8 power. Manual Advantage: Official, factory-level information providing unparalleled accuracy and detail for servicing and repairing this complex vehicle. 📋 Manual Details Coverage Areas Coverage: Comprehensive service, repair, diagnostics, maintenance, and electrical schematics for the 2003 Mercedes-Benz SL55 AMG. Page Count Page Count: Estimated 1500+ pages (Software) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Software (Digital Download/CD-ROM - implies searchable PDF/Proprietary Application) 📖 Manual Coverage Systems Covered Powertrain: Engine (5.4L Supercharged V8 M113 E55 ML), Transmission (5-Speed Automatic 5G-TRONIC), Differential, Driveshafts, Axles. Chassis: Suspension (ABC Active Body Control), Steering (Hydraulic Power Steering), Brakes (Performance Braking System, ABS, ESP), Wheels and Tires. Electrical: Engine Control Module (ECM), Transmission Control Module (TCM), Body Control Module (BCM), Lighting, Instrumentation, Infotainment, CAN Bus Communication, SRS Airbag System, Active Suspension Electronics. Body: Exterior Body Panels, Doors, Hood, Trunk, Convertible Top Mechanism (Vario-Roof), Interior Trim, Seats, HVAC System. Procedures Included Maintenance: Scheduled maintenance intervals, fluid changes (engine oil, transmission fluid, brake fluid, coolant, power steering fluid), filter replacements (oil, air, fuel, cabin), spark plug replacement, belt inspection/replacement. Troubleshooting: Diagnostic trouble codes (DTCs), fault finding charts, symptom-based diagnostics, electrical system troubleshooting, engine performance issues. Repair: Engine component repair/replacement (supercharger, intercooler, pistons, valves), transmission overhaul, brake system overhaul, suspension component replacement (struts, hydraulic lines), steering system repair, convertible top mechanism repair. Diagnostics: OBD-II diagnostics, use of diagnostic tools (e.g., STAR Diagnosis), sensor testing, actuator testing, module programming/coding (requires specialized equipment). Technical Depth Depth: Detailed step-by-step repair instructions, torque specifications, special tool requirements, wiring diagrams, exploded views, component identification, overhaul procedures. 📊 Manual Specifications File Format Digital Format: Searchable text, hyperlinked sections, integrated diagrams, potentially interactive features depending on software platform. Print Quality Printability: High-resolution diagrams and text, printable pages for workshop use. Binding Type Binding: N/A (Software) Paper Type Paper Quality: N/A (Software) ⚙️ Engine Specifications Primary Engine Engine Type: V8, SOHC, 3 valves per cylinder, Supercharged with Intercooler Displacement: 5.4 Liters (5439 cc) Bore X Stroke: 97.0 mm x 92.0 mm Compression Ratio: 8.5:1 Performance Horsepower: 493 hp @ 6100 rpm Torque: 516 lb-ft (700 Nm) @ 2650-4500 rpm Supercharger Type: Lysholm Twin-Screw Supercharger Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (SFI) Fuel Type: Premium Unleaded (91 Octane or higher recommended) 🔧 Transmission Standard Type: 5-Speed Automatic with Manual Shift Mode (AMG SPEEDSHIFT) Gear Ratios: 3.207 (1st), 2.109 (2nd), 1.407 (3rd), 1.000 (4th), 0.729 (5th), 4.375 (Reverse) Features Features: Torque converter lock-up, adaptive shift programs, performance-oriented shift points. Fluid Specifications Fluid Type: MB 236.10 (or equivalent approved fluid, e.g., Mobil ATF 134, Pentosin ATF1) Fluid Capacities Capacity: Approx. 8.5 Liters (17.8 Pints) for complete refill (check manual for precise amount). 📐 Dimensions Exterior Length: 177.6 inches (4511 mm) Width: 73.1 inches (1857 mm) Height: 51.7 inches (1313 mm) Wheelbase: 98.8 inches (2509 mm) Weights Curb Weight: Approx. 4000 - 4200 lbs (1814 - 1905 kg) Gross Vehicle Weight Rating: Approx. 5000 lbs (2268 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not specifically rated, but features extensive safety systems. Active Features Active Safety: ABS (Anti-lock Braking System), ESP (Electronic Stability Program), BAS (Brake Assist System), Traction Control (ASR). Passive Features Airbags: Driver and front passenger airbags, side airbags, head airbags (in A-pillars and doors), knee airbag (driver). Rollover Protection: Integrated rollover protection system with pop-up hoops behind headrests. 💡 Technology Features Infotainment System: COMAND (Cockpit Management and Navigation System) with CD player, radio, optional navigation, and climate control integration. Connectivity: Optional teleaid system, early Bluetooth integration (via cradle), CD changer. Driver Assistance Suspension: Active Body Control (ABC) offering adaptive damping and load leveling. Lighting: Bi-Xenon headlights with automatic leveling, fog lamps. Comfort Features Seats: Multi-contour heated and ventilated seats with memory, dynamic side bolsters. Roof: Electro-hydraulic Vario-Roof (retractable hardtop). 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 12 months, whichever comes first. Check manual for specific oil quality requirements. Transmission Service: Every 40,000-60,000 miles or as indicated by the transmission fluid level/condition sensor. Fluid and filter change recommended. Fluid Specifications Engine Oil: Mobil 1 0W-40 Synthetic (MB 229.5 or MB 229.3). Coolant: MB 325.0 (or equivalent OAT coolant, typically blue or green). Brake Fluid: DOT 4 Plus (MB 331.0). Power Steering Fluid: Pentosin CHF 11S (MB 343.0). Known Issues Abc Suspension Leaks: Common issues include ABC hydraulic fluid leaks from hoses, struts, and the ABC pump. Requires...