🏷️ Basic Information Identification Make: Mercedes-Benz Model: A-Class Model Code: W168 Variant: A140 Codes Chassis Code: W168 Engine Codes Covered: M166.940 Transmission Codes Covered: 716.530 (Manual), 710.20 (Autotronic/CVT) 👋 Introduction Market Position Segment: Compact Hatchback Target Audience: Younger demographic, urban dwellers, first-time Mercedes-Benz buyers Competitive Analysis Key Competitors: Volkswagen Golf, Ford Focus, Opel Astra, Honda Civic Key Features Unique Selling Points: Sandwich floor design for increased interior space and safety, compact dimensions for urban maneuverability, Mercedes-Benz brand prestige. Manual Value Proposition: Enables comprehensive DIY maintenance and repair, reducing reliance on dealership service and preserving vehicle value. 📋 Manual Details Coverage Areas Years Covered: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Regions Covered: Global (Factory specifications) Page Count Estimated Pages: Hundreds (Specific count varies by publisher, but comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, cooling system, engine management (ECU diagnostics), manual transmission, automatic transmission (Autotronic CVT), drive shafts, differentials. Chassis: Suspension (front and rear), steering system, braking system (ABS, ESP), wheels and tires. Electrical: Body electrical systems, lighting, instrumentation, infotainment, comfort systems (HVAC, power accessories), engine control unit (ECU), body control module (BCM), wiring diagrams, component location, diagnostic trouble codes (DTCs). Body: Body panels, doors, windows, interior trim, seats, bumpers, corrosion protection. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, lubrication, spark plug replacement, belt inspection and replacement. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), fault finding procedures, component testing, live data analysis (via OBD-II). Repair: Engine overhauls, transmission repairs, brake caliper and disc replacement, suspension component replacement, electrical component diagnosis and replacement, body panel repair, interior trim removal and installation. Rebuilding: Engine rebuild specifications, transmission overhaul procedures. Installation: Component installation procedures, accessory installation guidelines. Technical Depth Depth: Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format Format: PDF Searchability: Text-searchable (typically, depending on source scan quality) Print Quality Quality: High-resolution scans of original factory documentation Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder Displacement: 1.4 Liters (1397 cc) Engine Code: M166.940 Valve Train: SOHC (Single Overhead Camshaft) Bore X Stroke: 80.0 mm x 69.2 mm Compression Ratio: 10.0:1 Performance Horsepower: 82 hp (60 kW) @ 5250 rpm Torque: 130 Nm (96 lb-ft) @ 3250 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (95 RON recommended) 🔧 Transmission Standard Type: 5-Speed Manual Transmission Gear Ratios: Refer to manual for specific ratios (e.g., 3.46/1.87/1.30/1.03/0.85, Final Drive 4.24) Optional Type: Autotronic (Continuously Variable Transmission - CVT) Features: Fully automatic operation, often with manual shift modes (sequential shifting). Fluid Specifications Manual Transmission Fluid: MB 235.10 / SAE 75W-85 GL-4 (Check manual for exact spec) Autotronic Transmission Fluid: MB 236.20 (Specific CVT fluid) 📐 Dimensions Exterior Length: 3626 mm (142.8 in) Width: 1719 mm (67.7 in) Height: 1590 mm (62.6 in) Wheelbase: 2373 mm (93.4 in) Track Front: 1476 mm (58.1 in) Track Rear: 1464 mm (57.6 in) Interior Seating Capacity: 5 Cargo Cargo Volume Min: 390 Liters (13.8 cu ft) with rear seats up Cargo Volume Max: 1140 Liters (40.3 cu ft) with rear seats folded Weights Curb Weight: Approx. 1170 kg (2579 lbs) for manual transmission Gross Vehicle Weight Rating: Approx. 1600 kg Towing Capacity: Not typically specified for this model 🛡️ Safety Features Ratings Euroncap Rating: 4 Stars (Original 1999 testing) Active Features Electronic Stability Program: Optional (ESP) Anti Lock Braking System: Standard (ABS) Brake Assist: Optional (BAS) Passive Features Airbags: Driver and front passenger airbags standard; side airbags optional. Seatbelts: Pretensioner seatbelts with belt force limiters Body Structure: Sandwich concept with reinforced safety cell and deformable zones. 💡 Technology Features Infotainment Head Unit: Various Mercedes-Benz Audio systems (e.g., Audio 10, Audio 30 APS with optional navigation) Speaker System: Standard 4-speaker or optional 6-speaker system. Driver Assistance Parking Assist: Optional PARKTRONIC parking sensors Cruise Control: Optional Connectivity OBD Ii Port: Standard OBD-II compliant diagnostic port for engine management and emissions data. 🔧 Maintenance Service Intervals Oil Change Interval: Every 15,000 km or 12 months, whichever comes first (or as indicated by the ASSYST service indicator). Major Service Interval: Every 30,000 km or 24 months (includes spark plugs, air filter, fuel filter, etc.) Fluid Specifications Engine Oil: MB 229.1 / MB 229.3 / API SJ or SL / SAE 0W-40, 5W-30, 5W-40 (Check manual for specific recommendation based on climate) Coolant: MB 325.0 (Antifreeze/Coolant Concentrate) mixed 50/50 with distilled water Brake Fluid: DOT 4 Power Steering Fluid: MB 343.0 (Hydraulic fluid) Known Issues Common Problems: Crankshaft position sensor failure, ignition coil pack issues, O2 sensor failure, catalytic converter issues, Autotronic transmission...