🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Chassis Code: R230 Model Years Covered: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Codes Product Code: MB-SL-R230-WSMRM-0311 👋 Introduction Market Position Vehicle Class: Grand Tourer (GT), Luxury Sports Convertible Target Audience: Affluent consumers seeking high-performance, luxurious, and technologically advanced personal transport Competitive Analysis Key Competitors: BMW 6 Series Convertible, Jaguar XK, Porsche 911 Cabriolet, Maserati GranTurismo Key Features Design Philosophy: Elegant styling, advanced comfort features, potent V8 and V12 powertrains, retractable hardtop (Vario-roof) Technological Highlights: Active Body Control (ABC) suspension, bi-xenon headlights, advanced infotainment (COMAND), adaptive cruise control (Distronic) 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Downloadable PDF Platform Coverage: All R230 Chassis variants within the specified years Page Count Estimated Page Count: 1000+ 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing, lubrication, cooling system Engine Management: Fuel injection system, ignition system, engine control unit (ECU), sensors, emissions control, diagnostics Transmission Automatic: 722.6xx (5-speed), 722.9xx (7-speed) - removal, installation, overhaul, hydraulic system, electronic control Transmission Manual: Not applicable for R230 SL-Class, exclusively automatic transmissions Drivetrain: Rear-wheel drive, driveshafts, differential, axles Suspension: Active Body Control (ABC) system, strut replacement, hydraulic lines, accumulators, control modules, conventional suspension components Brakes: Hydraulic system, ABS, ESP, brake discs, pads, calipers, bleeding procedures, parking brake Steering: Power steering system, steering column, tie rods, steering gear Electrical System: 12V battery, charging system, starter, lighting, fuses, relays, wiring diagrams, CAN bus system Body And Interior: Body panels, doors, hood, trunk lid, convertible top mechanism (Vario-roof), interior trim, seats, HVAC Climate Control: Automatic climate control, A/C system components, refrigerant, blower motor, control panels Infotainment And Navigation: COMAND system, radio, CD changer, navigation unit, speaker system, antenna Safety Systems: Airbags, seatbelt pre-tensioners, SRS module, crash sensors Procedures Included Routine Maintenance: Oil and filter changes, fluid level checks and top-ups, spark plug replacement, air filter replacement, brake inspections Troubleshooting: Diagnostic trouble codes (DTCs), fault finding, symptom-based diagnostics Component Removal Installation: Detailed step-by-step instructions for major and minor components Overhaul And Rebuild: Instructions for engine and transmission overhaul, including torque specifications and tolerances Electrical Diagnostics: Wiring diagrams interpretation, component testing, signal tracing V Diagnostic Procedures: Specific procedures for diagnosing ABC system faults, including pressure testing and solenoid valve checks Convertible Top Repair: Vario-roof hydraulic system maintenance, adjustments, and troubleshooting Technical Depth Diagnostic Tools: Information on required diagnostic tools like STAR Diagnosis (XENTRY/DAS), and specialized testers Torque Specifications: Comprehensive list of torque values for all critical fasteners Clearances And Tolerances: Precise measurements for engine, transmission, and suspension component clearances Wiring Diagrams: Detailed, color-coded wiring schematics for all vehicle systems Special Tools: Identification and usage of Mercedes-Benz specific tools required for repairs 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Searchable text content for quick information retrieval Print Quality: High-resolution scans/documents, suitable for printing Digital Features: Clickable table of contents, internal links Binding Type Binding: Not applicable (Digital Download) Paper Type Paper Type: Not applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Range: M113 (V8), M273 (V8), M156 (V8 AMG), M137 (V12), M275 (V12 Bi-turbo) Displacement Range: 4.7L, 5.0L, 5.5L, 6.0L, 6.3L (AMG) Performance Horsepower Range: 302 hp (SL 500 early) to 603 hp (SL 65 AMG) Torque Range: 339 lb-ft (SL 500 early) to 738 lb-ft (SL 65 AMG) Fuel System Injection Type: Sequential Multi-Point Fuel Injection (MPI) or Direct Injection (DI) on later models Fuel Type: Premium Unleaded Gasoline (91 RON or higher) Technical Specs Valvetrain: SOHC (M113, M137) or DOHC (M273, M156, M275) with 3 or 4 valves per cylinder, some with variable valve timing (VVT) Cylinder Configuration: V8 and V12 🔧 Transmission Standard Transmission Type Early: 5-speed Automatic (722.6) Optional Transmission Type Later: 7-speed Automatic (722.9 MCT/AMG SPEEDSHIFT for AMG models) Features Driver Selectable Modes: Comfort (C), Sport (S), Manual (M) modes Fluid Type: MB 236.10 or MB 236.14 Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: Approx. 4536-4653 mm (178.6-183.2 in) Width: Approx. 1800-1815 mm (70.9-71.5 in) Height: Approx. 1300-1315 mm (51.2-51.8 in) Wheelbase: Approx. 2560 mm (100.8 in) Weights Curb Weight Range: Approx. 1770-1970 kg (3902-4343 lbs) Gross Vehicle Weight Rating: Varies by model, typically around 2200-2400 kg Cargo Trunk Volume: Approx. 317 L (11.2 cu ft) with roof up, reduced with roof down 🛡️ Safety Features Ratings NHTSA Ratings: While specific NHTSA ratings for the R230 may not be directly published for all years, Mercedes-Benz vehicles of this era generally achieved high safety standards, often 4 or 5 stars in relevant categories. Active Features Stability Control: Electronic Stability Program (ESP) Traction Control: ASR (Acceleration Slip Regulation) Braking Assistance: Anti-lock Braking System (ABS), Brake Assist (BAS) Passive Features Airbag Systems: Front airbags, side airbags, head airbags, roll-over protection system Seat Belts: Pre-tensioning seatbelts with force limiters Convertible Top...