🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK230 Year: 2003 Generation Generation Code: R170 (Second Generation) Codes Engine Code: M111 E23 ML 👋 Introduction Market Position Market Position: The 2003 Mercedes-Benz SLK230 represents the compact luxury roadster segment, offering a blend of performance, style, and the prestigious Mercedes-Benz brand. It competed with vehicles like the BMW Z3, Porsche Boxster, and Audi TT. Competitive Analysis Competitive Analysis: The SLK230 was known for its innovative Vario-Roof retractable hardtop, providing coupe-like security and convertible freedom. It offered a more accessible entry point into Mercedes-Benz roadster ownership compared to the larger SL models. Key Features Key Features: Supercharged inline-4 engine, Vario-Roof retractable hardtop, Rear-wheel drive, Compact sporty styling, Mercedes-Benz build quality and safety. Vario Roof System: Electrically operated retractable hardtop with integrated rollover protection system. 📋 Manual Details Coverage Areas Coverage Areas: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Interior, Maintenance, Diagnostics, Troubleshooting, Repair Procedures Page Count Page Count: Estimated 1000+ pages (typical for comprehensive factory service manual software) Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Digital Software (Likely PDF or proprietary executable) Source Source: Official Mercedes-Benz Service and Repair Manual 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Supercharger System Drivetrain Systems: Transmission (Automatic), Drive Axles, Differential Chassis Systems: Suspension (Front & Rear), Steering System, Brake System (ABS, ESP), Wheels & Tires Electrical Systems: Wiring Diagrams, Fuses & Relays, Lighting System, Battery & Charging System, Ignition System, Instrument Cluster, Audio System, Power Accessories (Windows, Locks, Seats), Convertible Top System Comfort Systems: Climate Control (HVAC), Interior Trim, Seats, SRS Airbag System Instrumentation And Controls: Dashboard Layout, Gauge Functions, Switchgear Operation, Climate Control Panel Operation Fuel System Details: Fuel Tank, Fuel Pump, Fuel Filter, Fuel Injectors, Fuel Pressure Regulator Procedures Included Maintenance Procedures: Oil Changes, Filter Replacements, Fluid Checks & Replacements, Spark Plug Replacement, Belt Inspection & Replacement, Brake Pad/Rotor Replacement, Tire Rotation Repair Procedures: Engine Component Overhaul, Transmission Service & Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis & Replacement, HVAC System Repair, Convertible Top Mechanism Repair Diagnostic Procedures: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Component Testing, Wiring Harness Diagnosis, Scan Tool Procedures Body And Interior Procedures: Door Panel Removal, Bumper Replacement, Headlight/Taillight Replacement, Seat Removal, Convertible Top Mechanism Adjustment and Repair Steering System Repair: Power Steering Pump Replacement, Steering Gearbox Diagnosis and Replacement, Tie Rod End Replacement Technical Depth Technical Depth: Comprehensive: Covers routine maintenance, diagnostics, repair, and overhaul procedures for all major vehicle systems. Includes detailed specifications and tolerances. Diagnostic Tools Required: Star Diagnosis System (SDS) or compatible OBD-II scanner with Mercedes-specific protocols is highly recommended for advanced diagnostics. 📊 Manual Specifications File Format File Format: Likely .exe or .pdf (searchable text is a key feature of quality software manuals) Print Quality Print Quality: N/A (Digital Software) Binding Type Binding Type: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) Searchability Searchability: High (digital software typically allows keyword searches for specific components or procedures) Updateability Updateability: N/A (Static digital manual) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder, Supercharged Displacement: 2.3 Liters (2295 cc) Engine Code: M111 E23 ML Performance Horsepower: 192 hp @ 5300 rpm Torque: 201 lb-ft @ 2500-4800 rpm Fuel System Fuel System: Electronic Fuel Injection (EFI), Bosch Motronic M4.1 Supercharger: Intercooled Roots-type Supercharger Fuel Type Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Ignition System Ignition Type: Distributorless Electronic Ignition (CDI) Cooling System Cooling Capacity: Approximately 7.5 Liters (Coolant) Lubrication System Oil Capacity: Approximately 5.5 Liters (with filter) Oil Specification Oil Specification: MB 229.5 or 229.51 (SAE 0W-40 or 5W-40 synthetic) Engine Management Engine Management System: ME 2.8 Engine Control Unit (ECU) Emissions Emissions Certification: Federal Tier 1 Emissions Compliant 🔧 Transmission Standard Transmission Type: 5-Speed Automatic Transmission (5G-TRONIC) Optional Optional Transmission: 6-Speed Manual Transmission (Rare) Features Transmission Features: TouchShift manual shifting mode Fluid Specification Transmission Fluid Type: MB 236.12 (ATF LT 71141 or equivalent) Gear Ratios Automatic Gear Ratios: 1st: 3.93, 2nd: 2.43, 3rd: 1.47, 4th: 1.00, 5th: 0.73, Reverse: 3.39 📐 Dimensions Exterior Length: 157.3 inches (4000 mm) Width: 67.9 inches (1725 mm) Height: 50.1 inches (1272 mm) Wheelbase: 82.5 inches (2096 mm) Weights Curb Weight: Approximately 3050 lbs (1383 kg) Gross Vehicle Weight Rating: Approx. 3750 lbs (1700 kg) Cargo Cargo Volume Trunk: 5.3 cu ft (150 L) with roof up; 11.2 cu ft (317 L) with roof down (Vario-Roof stowed) 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 4 Stars (Driver), 5 Stars (Passenger) - Older rating methodology IIHS Side Crash Rating: Not Rated (Vehicle design predates comprehensive side impact testing standards) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR) Passive Features Passive Safety Features: Driver...