🏷️ Basic Information Identification Make: Mercedes-Benz Model: SLK320 Year: 2003 Chassis Code: R170 Generation Generation: Second Generation (R170 Facelift) 👋 Introduction Market Position Market Position: The 2003 Mercedes-Benz SLK320 occupied the premium compact roadster segment, directly competing with vehicles like the BMW Z3/Z4, Audi TT Roadster, and Porsche Boxster. It offered a blend of luxury, performance, and the innovative Vario-Roof retractable hardtop. Competitive Analysis Competitive Analysis: The SLK320 differentiated itself with its sophisticated Vario-Roof, offering coupe-like security and quietness when closed, and open-air freedom when open. Its V6 engine provided a balance of power and refinement, appealing to buyers seeking a comfortable yet engaging convertible experience. Key Features Key Features: Vario-Roof retractable hardtop, 3.2L V6 engine, RWD, luxurious interior appointments, advanced safety features for its era. 📋 Manual Details Coverage Areas Coverage Areas: Engine, Drivetrain, Suspension, Steering, Brakes, Electrical Systems, HVAC, Bodywork, Chassis, Diagnostics, Maintenance Page Count Page Count: Estimated 2500+ pages (typical for comprehensive service software) Manual Type Manual Type: Official Factory Service and Repair Manual Software Language Language: English Format Format: Software (likely CD-ROM or downloadable digital format with search functionality) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly and reassembly of the M112 engine, including cylinder heads, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system. Engine Management: Detailed diagnostics and repair procedures for the ME 2.8 engine control unit (ECU), fuel injection system (Sequential Multi-Point Injection - SMPI), ignition system, emissions control systems (OBD-II compliant). Transmission: Service and repair of the 5G-TRONIC (722.6) automatic transmission, including torque converter, valve body, clutch packs, solenoids, transmission control module (TCM), fluid and filter replacement. Suspension: Front and rear suspension components, including MacPherson struts, multi-link rear suspension, shock absorbers, springs, bushings, ball joints, control arms, alignment specifications. Steering: Power steering system, steering rack, tie rods, steering column, power steering fluid specifications and replacement. Brakes: Front and rear brake systems (discs), brake calipers, brake pads, brake rotors, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake fluid specifications and bleeding procedures. Electrical Systems: Comprehensive wiring diagrams, fuse box locations and descriptions, battery, alternator, starter motor, lighting systems (headlights, taillights, interior), power windows, power locks, power seats, central locking, alarm system. Comfort Systems: HVAC (Heating, Ventilation, and Air Conditioning) system, climate control, blower motor, evaporator, condenser, refrigerant R134a, cabin air filter replacement. Body And Chassis: Body panel removal and installation, doors, hood, trunk lid, bumpers, convertible top (Vario-Roof) system operation and service, chassis lubrication, rust prevention. Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, brake fluid flush, coolant flush, transmission fluid and filter service. Diagnostics: Troubleshooting guides for common problems, diagnostic trouble codes (DTCs) lookup and interpretation, procedures for using diagnostic tools (e.g., STAR DIAGNOSIS). Repair: Step-by-step instructions for component replacement and repair across all major vehicle systems. Rebuilds: Detailed procedures for engine and transmission rebuilds, including torque specifications, clearances, and assembly sequences. Electrical Troubleshooting: Systematic approach to diagnosing and repairing electrical faults, including wiring harness repair, component testing, and relay/fuse identification. Technical Depth Technical Depth: Comprehensive, covering basic owner maintenance to advanced engine and transmission rebuilds, including electronic diagnostics and component-level repair. 📊 Manual Specifications File Format File Format: Proprietary software format, potentially with PDF export capability for printouts. Print Quality Print Quality: N/A (Software-based, print quality dependent on user's printer) Binding Type Binding Type: N/A (Software) Paper Type Paper Type: N/A (Software) ⚙️ Engine Specifications Primary Engine Engine Code: M112 E32 Engine Type: SOHC V6 (90-degree bank angle) Displacement: 3199 cc (3.2 liters) Performance Horsepower: 215 hp @ 5750 rpm Torque: 229 lb-ft @ 3000-4600 rpm Fuel System Fuel Delivery: Sequential Multi-Point Fuel Injection (SMPI) Fuel Type: Premium Unleaded Gasoline (91+ octane) Cooling System Coolant Type: Mercedes-Benz approved coolant (e.g., G48 or equivalent, typically a silicate-free blue coolant) Lubrication System Oil Type: SAE 0W-40 or 0W-30 Synthetic Engine Oil (MB-Approval 229.5 or 229.51) Oil Capacity: Approx. 8.0 liters (8.5 US quarts) with filter change 🔧 Transmission Standard Transmission Type: 5-speed Automatic (722.6 "5G-TRONIC") Optional Optional Transmission: Not applicable for SLK320 Features Transmission Features: Driver-adaptive shifting, Comfort (C) and Sport (S) modes, manual shifting capability via shifter. Fluid Specifications Transmission Fluid Type: ATF (Automatic Transmission Fluid) Specification 236.10 or 236.12 (e.g., MB 236.14 is backward compatible for some applications, verify with manual) Fluid Capacity Transmission Fluid Capacity: Approx. 7.5 - 8.0 liters (16.4 - 17.6 US quarts) for complete refill. 📐 Dimensions Exterior Length: 4056 mm (159.7 in) Width: 1741 mm (68.5 in) Height: 1293 mm (50.9 in) Wheelbase: 2400 mm (94.5 in) Cargo Trunk Volume Top Up: Approx. 145 liters (5.1 cu ft) Trunk Volume Top Down: Approx. 85 liters (3.0 cu ft) Weights Curb Weight: Approx. 1460 kg (3219 lbs) Gross Vehicle Weight Rating: Approx. 1800 kg (3968 lbs) Wheels And Tires Standard Wheel Size: 16 x 7.5J or...