🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK230 Year: 1999 Codes Chassis Code: R170 Engine Code: M111 E23 ML 👋 Introduction Market Position Vehicle Segment: Compact Luxury Sports Roadster Target Audience: Enthusiasts seeking performance, luxury, and unique design; DIY mechanics and professional service technicians Competitive Analysis Primary Competitors: Porsche Boxster, BMW Z3, Audi TT (later models) Key Features Highlight Features: Retractable Vario-Roof (coupe-roadster), supercharged engine, rear-wheel drive, compact sportscar dynamics Manual Purpose Purpose Of Manual: To provide comprehensive guidance for the maintenance, repair, and diagnosis of the 1999 Mercedes-Benz SLK230. 📋 Manual Details Coverage Areas Systems Covered: Engine, Drivetrain, Chassis, Electrical, Body, HVAC, Safety Systems Page Count Page Count: Over 1000 pages Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF, implied by description) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, lubrication, cooling, intake, exhaust Engine Management: Fuel injection, ignition system, emissions control, sensors, actuators, ECU diagnostics Drivetrain: Clutch, transmission (manual and automatic), driveshafts, differential Suspension: Front and rear suspension, steering system, wheel alignment Brakes: Brake system components, ABS, hydraulic system, parking brake Electrical System: Battery, charging system, starting system, lighting, instrumentation, power windows, mirrors, seats Body And Interior: Body panels, doors, hood, trunk, convertible top mechanism, interior trim, seats HVAC: Heating, ventilation, and air conditioning system Safety Systems: Airbags, seat belts Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake pad replacement Repair Procedures: Engine overhaul, transmission repair, suspension component replacement, brake caliper overhaul, electrical component diagnosis and repair, convertible top mechanism adjustment Troubleshooting Guides: Diagnostic flowcharts, symptom-based troubleshooting, fault code interpretation Wiring Schematics: Comprehensive electrical wiring diagrams for all vehicle systems Part Layouts: Exploded views of components with part identification Technical Data: Torque specifications, tolerances, measurements, diagnostic data Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format File Format: PDF (Assumed, common for digital manuals) Print Quality Print Quality: High resolution (Assumed for clarity of diagrams and schematics) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder Supercharged Displacement: 2.3 Liters (2295 cc) Aspiration: Supercharged (Roots-type) Valvetrain: DOHC, 16 Valves Performance Horsepower: 192 hp @ 5300 rpm Torque: 200 lb-ft @ 2500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Bosch Motronic M3.8.3) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Technical Details Bore X Stroke: 90.9 mm x 85.0 mm Compression Ratio: 8.5:1 Engine Oil Capacity: 5.8 Liters (6.1 US Quarts) Recommended Oil Viscosity: SAE 0W-30 or 5W-30 (Synthetic recommended) Cooling System Capacity: Approximately 8.0 Liters Engine Id Location: Stamped on engine block, typically near cylinder head or oil pan 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Optional Transmission Type: 5-Speed Automatic Transmission (with TouchShift) Features Automatic Features: Selectable modes (Comfort/Sport), manual override (TouchShift) Specifications Manual Transmission Fluid Type: MB 235.10 or equivalent Automatic Transmission Fluid Type: MB 236.10 or MB 236.12 (check owner's manual for specific) 📐 Dimensions Exterior Length: 157.3 inches (4000 mm) Width: 67.5 inches (1715 mm) Height: 50.1 inches (1273 mm) Wheelbase: 94.5 inches (2400 mm) Weights Curb Weight: Approx. 3065 lbs (1390 kg) Gross Vehicle Weight Rating: Approx. 3792 lbs (1720 kg) Interior Seating Capacity: 2 Cargo Trunk Volume: Approx. 4.3 cu ft (122 Liters) with roof up, less when down 🛡️ Safety Features Ratings NHTSA Frontal Impact Rating: Not rated for this model year specifically, but typically good for era Active Features Active Safety Features: Anti-lock Braking System (ABS), Traction Control System (ASR) Passive Features Passive Safety Features: Driver and Passenger Airbags, Side Impact Protection, Rollover Protection System (pop-up bars) 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette or optional CD player, various speaker configurations Display Type: Digital or analog displays for climate control and radio, basic LCD for odometer and trip computer Driver Assistance Cruise Control: Standard Climate Control: Manual or optional automatic climate control (optional 'Thermotronic') Connectivity Original Connectivity: Limited, no integrated Bluetooth or USB from factory Comfort Features Seat Adjustment: Manual or optional power-adjustable seats with memory 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 1 year, whichever comes first (or as indicated by 'Service A/B' system) Air Filter Replacement: Every 30,000 miles or 2 years Spark Plug Replacement: Every 60,000 miles (original equipment specification) Coolant Flush Interval: Every 2 years or 30,000 miles Fluid Specifications Brake Fluid Type: DOT 4 Power Steering Fluid Type: MB 236.3 or Pentosin CHF 11 S Known Issues Common Problems: Vario-Roof hydraulic system leaks/failures, mass airflow sensor (MAF) issues, ignition coil failures, heater control valve leaks, serpentine belt wear, rust on wheel wells and rocker panels Part Numbers Oil Filter Part Number Example: Mann-Filter HU718/4x, Bosch 72120 (verify for...