🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK-Class Year: 1998 Codes Chassis Code: R170 Model Designation: SLK 230 Kompressor 👋 Introduction Market Position Segment: Compact Luxury Sports Roadster Target Audience: Enthusiasts and owners seeking in-depth technical knowledge for maintenance and repair. Competitive Analysis Key Competitors: BMW Z3, Porsche Boxster (early models), Audi TT (later models) Key Features Unique Selling Points: Vario-roof retractable hardtop, compact sporty dimensions, Mercedes-Benz build quality. 📋 Manual Details Coverage Areas Languages: English Regions Covered: Global (primarily North America & Europe) Page Count Estimated Pages: Approximately 1500+ Manual Type Type: Workshop Service Repair Manual Completeness: Complete Factory Service Manual (FSM) Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, drivetrain, cooling system, fuel system, exhaust system, turbocharging system (for Kompressor models) Chassis: Suspension (front and rear), steering, brakes (hydraulic, ABS), wheels, tires, chassis and frame Electrical: Engine control module (ECM), body control module (BCM), lighting, instrumentation, power windows, power seats, convertible top operation, audio system, security system, starter, alternator Body: Exterior body panels, interior trim, convertible roof mechanism, body sealing, paint Procedures Included Maintenance: Routine service, oil changes, filter replacements, fluid checks, lubrication Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair: Detailed step-by-step repair instructions for all components and systems, including engine rebuilds, transmission overhaul, suspension replacement, electrical component repair Disassembly Assembly: Complete disassembly and reassembly procedures for engine, transmission, axles, suspension components, body panels, and interior. Technical Depth Depth: Comprehensive, from basic scheduled maintenance to complete vehicle overhaul and advanced diagnostics. 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable text, allowing for easy navigation and printing. Print Quality Printability: Designed for full or partial printing of individual pages or sections. Binding Type Binding Info: N/A (Digital Download) Paper Type Paper Info: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M111 E23 ML Engine Type: Supercharged Inline-4 (Kompressor) Displacement: 2.3 Liters (2295 cc) Performance Horsepower: 194 hp @ 5500 rpm Torque: 200 lb-ft (273 Nm) @ 2500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Bosch Motronic M5.9 ECU Recommended Fuel: Premium Unleaded Gasoline (91 Octane or higher) Ignition System Ignition Type: Distributorless Electronic Ignition (DIS) 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 5-Speed Automatic (with TouchShift) Features Gear Ratios Manual Approx: 1st: 3.46, 2nd: 2.21, 3rd: 1.42, 4th: 1.00, 5th: 0.83, Reverse: 3.17 Transmission Fluid Spec Auto: MB 236.10 Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: 157.3 inches (3995 mm) Width: 67.7 inches (1720 mm) Height: 50.4 inches (1280 mm) Wheelbase: 81.5 inches (2070 mm) Weights Curb Weight Approx: 2932 lbs (1330 kg) Gross Vehicle Weight Rating Approx: 3858 lbs (1750 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated (vehicle predates extensive NHTSA ratings) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASR (Acceleration Slip Regulation) Passive Features Airbags: Driver and front passenger airbags, side-impact airbags (optional) Rollover Protection: Integrated roll-over protection bars behind seats. 💡 Technology Features Infotainment Audio System: Becker audio systems (various models), optional CD changer. Climate Control: Manual or optional Automatic Climate Control (ACC). Driver Assistance Cruise Control: Standard Cruise Control. Headlights: Halogen or optional Xenon headlights with automatic leveling. Connectivity Telematics: N/A (No integrated telematics systems like Uconnect or MBUX in this generation). 🔧 Maintenance Service Intervals Oil Change Interval Approx: Every 10,000 miles or 12 months, whichever comes first (using synthetic oil). Air Filter Replacement Interval Approx: Every 30,000 miles or 24 months. Spark Plug Replacement Interval Approx: Every 60,000 miles. Fluid Specifications Engine Oil Type: SAE 0W-30 or 5W-40 Synthetic Engine Oil meeting MB 229.1 or MB 229.3 specifications. Coolant Type: MB 325.0 (Ethylene Glycol based, blue color) Antifreeze/Coolant Brake Fluid Type: DOT 4 Engine Oil Capacity Approx: 5.3 quarts (5.0 liters) with filter change. Known Issues Common Problems: Hydraulic cylinder leaks for Vario-roof, mass airflow sensor (MAF) issues, front SAM unit corrosion, ignition coil failures, early model serpentine belt tensioner concerns. 📚 Vehicle History Brand Heritage Brand Legacy: Mercedes-Benz is renowned for its engineering excellence, luxury, and safety innovations dating back to the late 19th century. Model Evolution Generation: First Generation (R170) Introduction Year: 1996 (Europe), 1997 (North America) Production Manufacturing Location: Bremen, Germany Model Years Covered By Manual: Primarily 1998, but covers the R170 platform which includes 1997-2004 models with minor variations. 🏆 Awards & Recognition Recognitions Ward Auto Ten Best Engines: The M111 engine (in various forms) was recognized by Ward's AutoWorld as a 'Ten Best Engine' in previous years for its innovation and performance. Design Awards: The SLK-Class design, particularly its compact proportions and Vario-roof, was well-received and contributed to its sporty appeal.