🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Chassis Code: R230 Model Year: 2004 Generation Generation Designation: Third Generation (R230) Generation Start Year: 2002 Generation End Year: 2011 Codes Specific Model Code 2004 Sl500: 230.475 Specific Model Code 2004 Sl55 Amg: 230.474 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer / Sports Roadster Target Audience: Affluent consumers seeking performance, luxury, and advanced technology Competitive Analysis Key Competitors 2004: BMW 6 Series Convertible, Porsche 911 Carrera Cabriolet, Jaguar XK, Lexus SC Key Features Defining Feature 1: Retractable Hardtop (Vario-Roof) offering coupe and convertible experience Defining Feature 2: Advanced Active Body Control (ABC) suspension system Defining Feature 3: Sensotronic Brake Control (SBC) braking system (on select models) 📋 Manual Details Coverage Areas Comprehensive Coverage: All Models and All Repairs A-Z Page Count Estimated Page Count: 1500+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system, engine management Engine Performance: Engine tuning, performance diagnostics, emissions control Fuel System: Fuel injection (ME 2.8, ME 2.8.1), fuel pump, fuel filter, fuel pressure regulation, EVAP system Transmission Automatic: 5G-TRONIC (722.6) automatic transmission, torque converter, valve body, electronic control module (ETC), fluid changes Suspension: Active Body Control (ABC) system, hydraulic lines, accumulators, struts, control arms, bushings, springs, shock absorbers Steering: Hydraulic power steering system, steering rack, power steering pump, steering column, alignment specifications Brakes: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), brake calipers, rotors, pads, brake fluid, parking brake, SBC (Sensotronic Brake Control) system details Electrical System: Battery, alternator, starter, ignition system, lighting (headlights, taillights, interior), wiring diagrams, fuses, relays Body And Interior: Body panels, doors, hood, trunk lid, convertible top mechanism (Vario-Roof), interior trim, seats, climate control system (HVAC) Comfort Systems: Power windows, power seats, heated seats, ventilated seats, memory seats, cruise control, keyless entry, remote operation Infotainment And Navigation: COMAND system, navigation unit, radio, CD player, speaker system, antenna systems Safety Systems: Airbag system (SRS), seatbelt pre-tensioners, occupant classification system Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant flush, tire rotation Troubleshooting: Diagnostic trouble codes (DTCs), common fault diagnosis, step-by-step troubleshooting guides for various systems Repair Procedures: Component removal and installation, system overhauls, specific component repair Diagnostic Procedures: Use of Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis), sensor testing, actuator testing, module programming Calibration And Adjustment: SBC system calibration, ABC system bleeding and pressurization, steering angle sensor calibration Body Repair: Body panel replacement, convertible top adjustment and repair, bumper repair Technical Depth Depth Of Information: Comprehensive, dealership-level detail Level Of Detail: Specific torque specifications, clearances, fluid capacities, wiring schematics, diagnostic flowcharts 📊 Manual Specifications File Format Digital Format: PDF Searchability: Searchable text for quick information retrieval Print Quality: High-resolution scans of original documents, suitable for printing Binding Type Binding: N/A (Digital) Paper Type Paper Quality: N/A (Digital) ⚙️ Engine Specifications Primary Engine Sl500 Engine Code: M113 Engine Type: Naturally Aspirated V8 Displacement: 5.0 Liters (4966 cc) Bore X Stroke: 97.0 mm x 84.0 mm Compression Ratio: 10.0:1 Horsepower: 302 hp @ 5600 rpm Torque: 339 lb-ft @ 3250 rpm Engine Sl55 Amg Engine Code: M113 ML Engine Type: Supercharged V8 Displacement: 5.4 Liters (5439 cc) Horsepower: 469 hp @ 6100 rpm Torque: 516 lb-ft @ 2650-4500 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91+ Octane) Induction: Sequential Multi-Port Fuel Injection (MPI) Ignition: Distributorless Electronic Ignition (DIS) 🔧 Transmission Standard Sl500 Type: 5-speed Automatic (5G-TRONIC) Transmission Control: Electronic (ETC) Torque Converter Ratio: 2.04:1 Optional Sl55 Amg Type: 5-speed Automatic (AMG Speedshift) Features: Manual shift mode (Tiptronic) Fluid Specifications Automatic Transmission Fluid Type: MB Specification 236.14 (or approved equivalent) Automatic Transmission Fluid Capacity: 8.5 Liters (approx.) 📐 Dimensions Exterior Length: 175.1 inches (4448 mm) Width: 73.1 inches (1857 mm) Height: 51.5 inches (1308 mm) Wheelbase: 101.8 inches (2585 mm) Front Track: 62.0 inches (1575 mm) Rear Track: 61.1 inches (1552 mm) Weights Curb Weight Sl500: 4299 lbs (1950 kg) Curb Weight Sl55 Amg: 4497 lbs (2039 kg) Gross Vehicle Weight Rating: 5401 lbs (2450 kg) Cargo Cargo Volume Convertible Top Up: 11.2 cu ft (317 L) Cargo Volume Convertible Top Down: 7.9 cu ft (224 L) Wheels And Tires Wheel Bolt Pattern: 5x112 Standard Tire Size Sl500: 255/40 R 18 Optional Tire Size Sl55 Amg: 255/35 R 19 (front), 285/30 R 19 (rear) 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: 4 stars (driver), 4 stars (passenger) IIHS Side Impact Rating: Good Active Features ABS: Standard (Anti-lock Braking System) Esp: Standard (Electronic Stability Program) Traction Control: Standard Sbc: Standard on SL55 AMG, Optional/Available on SL500 (Sensotronic Brake Control) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, knee airbags Rollover Protection: Integrated roll-over bar system (deployable) Seatbelts: Pre-tensioning front seatbelts with force...