🏷️ Basic Information Identification Make: Mercedes-Benz Model: W201 Model Variants: 190, 190E, 190D Production Years: 1983-1993 Codes Chassis Code: W201 👋 Introduction Market Position Segment: Compact Executive Sedan (E-Segment) Introduction Year: 1982 Competitive Analysis Key Competitors: BMW 3 Series (E30), Audi 80/90, Saab 900 Key Features Design Philosophy: Robust engineering, aerodynamic efficiency, high build quality, focus on safety and comfort for its class. Chassis Design: Monocoque construction, independent suspension on all wheels (multi-link rear introduced later), front MacPherson struts. Aerodynamics: Pioneered aerodynamic design in its class, contributing to fuel efficiency and stability. Drag coefficient of approximately 0.32. 📋 Manual Details Coverage Areas Model Variants Covered: Mercedes-Benz W201 190, 190E, 190D Engine Variants Covered: 2.3L M102, 2.6L M103, 2.3L OM601, 2.9L OM602 Page Count Estimated Page Count: Comprehensive (Exact count not provided, typical for this era of manual is 800-1500 pages) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English (Assumed, typical for international sales) Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (crankcase, cylinder head, crankshaft assembly, timing, valvetrain, fuel injection, air filter, belt drive, manifolds, emission control, lubrication, cooling, suspension), Fuel System, Exhaust System Drivetrain: Propeller Shaft Chassis Suspension Steering Brakes: Chassis Suspension System, Front Axle, Rear Axle, Wheels, Brakes (Hydraulic and Mechanical), Brakes Vacuum System, Steering Electrical Systems: Electrical System Engine, Electrical System, Electrical System of Body Body Interior Accessories: Glass and Windows, Interior Equipment, Doors, Sliding Roof, Central Locking System, Detachable Body Components, Seats, Restraint Systems Accelerator Control Cruise Control Electrical Accelerator: Diagnosis and repair of throttle linkage, cruise control systems (vacuum or electronic), and related electrical components. Central Locking System Coverage: Diagnosis and repair of vacuum-operated or electric central locking systems, actuators, and control modules. Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, inspections Diagnostic Procedures: Troubleshooting guides, fault diagnosis for various systems Repair Procedures: Detailed step-by-step repair instructions for all major components and systems Adjustment Procedures: Calibration and adjustment of fuel injection, brakes, steering, etc. Electrical System Diagnosis: Wiring diagrams, component testing, troubleshooting procedures for engine, body, and chassis electrical systems. Technical Depth Technical Depth: Comprehensive, covering basic maintenance to advanced engine and chassis overhauls. Includes torque specifications, tolerances, and detailed diagrams. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High resolution, suitable for digital viewing and printing of individual pages. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine M102 Engine Variant 2.3L: 2.3L Inline-4, SOHC, Fuel Injection (CFI or KE-Jetronic depending on sub-model and year) M103 Engine Variant 2.6L: 2.6L Inline-6, SOHC, Fuel Injection (KE-Jetronic) Om601 Engine Variant 2.3L: 2.3L Inline-4 Diesel, SOHC, Indirect Injection (Diesel) Om602 Engine Variant 2.9L: 2.9L Inline-5 Diesel, SOHC, Indirect Injection (Diesel) Engine Cooling System Coverage: Radiator, water pump, thermostat, hoses, fan clutch, expansion tank, coolant type and capacity. Performance M102 2.3L Power: Approx. 130-140 hp (varies by spec and year) M103 2.6L Power: Approx. 160-165 hp Fuel System Fuel Injection Systems Covered: Continuous Fuel Injection (CFI), Bosch KE-Jetronic (Mechanical-Electronic Fuel Injection) Casing And Cylinder Head Coverage: Detailed procedures for disassembly, inspection, machining, and reassembly of engine blocks and cylinder heads. Crankshaft Assembly Coverage: Inspection, balancing, bearing replacement, and installation procedures for crankshaft, connecting rods, and pistons. Engine Timing Valvetrain Coverage: Camshaft timing, valve lash adjustment, chain/belt replacement, valve guide and seal replacement. Emission System Coverage: Component identification, testing, and repair of emission control devices and associated plumbing. 🔧 Transmission Standard Standard Transmission: 4-speed manual (early models), 5-speed manual (later models) Optional Optional Transmission: 4-speed automatic, 5-speed automatic (e.g., 722.4, 722.5) Features Transmission Fluid Type: MB 236.1 or 236.3 Automatic Transmission Fluid (ATF), Manual transmission fluid varies (e.g., MB 235.1) 📐 Dimensions Exterior Wheelbase: 2665 mm (104.9 in) Length: 4420 mm (174.0 in) Width: 1700 mm (66.9 in) Height: 1380 mm (54.3 in) Weights Curb Weight Range: Approx. 1250-1450 kg (2755-3197 lbs) depending on engine and options Wheel Bolt Pattern: 5x112 🛡️ Safety Features Ratings Passive Safety Features: Reinforced safety cell, energy-absorbing crumple zones, padded interior surfaces, seat belts Active Features Active Safety Features: Four-wheel disc brakes (ABS optional on later models), precise steering system Passive Features Restraint Systems: Standard three-point seatbelts, optional driver's side airbag (late models) 💡 Technology Features Infotainment Infotainment Features: Basic analog radio (AM/FM), optional cassette player. Limited by era. Driver Assistance Driver Assistance Features: ABS (optional on later models), Cruise Control (optional on some variants). Connectivity Connectivity: N/A (No integrated modern connectivity features) 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 km (6,000-9,000 miles) or 1 year, depending on engine and driving conditions. Transmission Fluid Service: Check every 20,000-30,000 km, replace every 40,000-60,000 km (automatic) Fluid Specifications Engine Oil Specification: MB 229.1 or API SJ/SL (e.g., SAE 10W-40, 15W-40, 5W-40 depending on climate) Coolant Specification: MB 325.0 or equivalent (e.g., ethylene glycol...