🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK230 Year: 1999 Codes Model Code: R170 👋 Introduction Market Position Positioning: The 1999 Mercedes-Benz SLK230 (R170) was positioned as a compact, premium two-seater roadster, competing with vehicles like the BMW Z3 and Porsche Boxster. It offered a blend of sporty driving dynamics with Mercedes-Benz luxury and innovative features. Competitive Analysis Comparison: Key advantages over competitors included its retractable hardtop (vario-roof), which offered coupe-like security and quietness when closed, and its supercharged engine providing strong low-end torque. Interior quality and fit-and-finish were typically Mercedes-Benz benchmark. Key Features Highlight: The innovative vario-roof (retractable hardtop), supercharged 2.3L engine, and compact, agile chassis were defining features. 📋 Manual Details Coverage Areas Engine Systems: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, exhaust system, engine control module (ECM) diagnostics Transmission Systems: Automatic transmission (5G-TRONIC) service, repair, and diagnostics Chassis Systems: Brakes (ABS, ESP), steering, suspension, chassis electrical, body, frame Body And Interior: Body panels, interior trim, seats, convertible top system, climate control Electrical Systems: Wiring diagrams, lighting, instrument cluster, comfort features, power accessories, diagnostic trouble codes (DTCs) Page Count Estimated Pages: 1000+ Manual Type Type: Factory Authorized Service and Repair Manual Software Language Language: English Format Format: Software (CD-ROM or Digital Download) 📖 Manual Coverage Systems Covered Engine: Complete overhaul procedures for the M111 E23 ML (2.3L Supercharged Inline-4) engine Transmission: Detailed service and repair for the 5G-TRONIC automatic transmission, including torque converter and valve body service Brakes: Component identification, testing, repair, and bleeding procedures for the ABS and ESP systems Suspension: Front and rear suspension component replacement, alignment specifications Steering: Power steering system diagnosis and repair, steering column service Electrical: Comprehensive wiring diagrams for all vehicle systems, component locations, diagnostic procedures for control modules Climate Control: HVAC system diagnosis, refrigerant handling, component replacement Convertible Top: Hydraulic system service, actuator replacement, control module diagnosis for the vario-roof Procedures Included Maintenance: Scheduled maintenance intervals, oil and filter changes, fluid level checks and top-ups, spark plug replacement Repair: Engine component overhauls, transmission rebuilds, brake caliper replacement, suspension strut replacement, electrical component repair Diagnostics: Troubleshooting charts for common symptoms, OBD-II diagnostic code explanations and clearing procedures, sensor testing Specifications: Torque specifications for all fasteners, fluid capacities, electrical resistance values, diagnostic parameters Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and wiring schematics 📊 Manual Specifications File Format Format: Executable software or PDF (depending on specific product version) Print Quality Quality: High-resolution, printable pages Binding Type Binding: N/A (Software format) Paper Type Paper Type: N/A (Software format) ⚙️ Engine Specifications Primary Engine Engine Code: M111 E23 ML Configuration: Inline-4 Cylinder Displacement: 2.3 Liters (2295 cc) Aspiration: Supercharged (Lysholm-type twin-screw supercharger) Performance Horsepower: 192 hp @ 5300 rpm Torque: 201 lb-ft @ 2500 rpm Fuel System Induction: Electronic Fuel Injection (Bosch Motronic ME 2.8) Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Cooling System Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., G48 or equivalent) Lubrication System Oil Capacity: Approx. 6.5 Liters (with filter change) Recommended Oil Viscosity: SAE 0W-40 or 5W-40 (MB 229.5 specification) 🔧 Transmission Standard Type: 5-speed Automatic (5G-TRONIC) Optional Type: 5-speed Manual (less common) Features Automatic Modes: Comfort (C) and Sport (S) modes Fluid Type Automatic Transmission Fluid: MB 236.10, MB 236.12, or MB 236.14 approved fluid (e.g., Pentosin ATF1, Mobil ATF 134) Fluid Capacity Automatic Transmission Capacity: Approx. 7.5 Liters (dry fill) 📐 Dimensions Exterior Length: 157.2 inches (3993 mm) Width: 66.4 inches (1686 mm) Height: 50.1 inches (1273 mm) Wheelbase: 82.7 inches (2100 mm) Weights Curb Weight: Approx. 2955 lbs (1340 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not specifically rated by NHTSA for this model year; general safety standards of the era apply. IIHS Side Impact: Not specifically rated by IIHS for this model year; general safety standards of the era apply. Active Features Traction Control: ASR (Acceleration Slip Regulation) Electronic Stability Control: ESP (Electronic Stability Program) Braking System: Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD) Passive Features Airbags: Driver and passenger front airbags, optional side-impact airbags Rollover Protection: Integrated roll-over bar system 💡 Technology Features Infotainment Audio System: Original Mercedes-Benz audio system with CD or cassette player and speaker configurations. Navigation: Optional Becker navigation system available on some models. Driver Assistance Cruise Control: Standard electronic cruise control. Connectivity Telematics: Optional tele Aid emergency calling system on some models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles (16,000 km) or 12 months, whichever comes first, using synthetic oil. Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on driving conditions. Cabin Air Filter: Every 15,000 miles (24,000 km) or annually. Spark Plug Replacement: Every 100,000 miles (160,000 km) for iridium spark plugs (if applicable), or consult manual for specific recommendations. Fluid Specifications Coolant: Mercedes-Benz Approved Antifreeze/Coolant (e.g., G48)...