🏷️ Basic Information Identification Make: Mercedes-Benz Model: 190 D 2.5 Chassis Code: W201 Generation Generation Name: First Generation (W201) Codes Engine Code: OM602 (Diesel) 👋 Introduction Market Position Vehicle Segment: Compact Executive Sedan Competitive Analysis Key Competitors: BMW 3 Series (E30), Audi 80, Volvo 240 Series, smaller Japanese luxury sedans. Key Features Design Philosophy: Robust engineering, high build quality, driver-focused ergonomics, a departure from Mercedes' traditionally larger vehicles. Target Audience: Younger professionals, those seeking Mercedes quality in a more compact and accessible package. 📋 Manual Details Coverage Areas Model Years Covered: 1986, 1987, 1988, 1989 Specific Variants Covered: 190 D 2.5 (Diesel Models) Page Count Estimated Page Count: Extensive (Specific count not provided, typical for factory service manuals) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine overhaul, tuning, fuel system, cooling system, lubrication system, air intake, exhaust system Transmission: Manual transmission, Automatic transmission, clutch system, transfer case (if applicable to 4MATIC variants) Drivetrain: Front axle, Rear axle, drive shafts, wheel hubs Suspension Steering: Front suspension, Rear suspension, steering system, level control (ADS, 4MATIC) Brakes: Brake system diagnostics, maintenance, hydraulic system, parking brake Electrical: Charging system, starting system, lighting, instrumentation, warning lamps Body Chassis: Body structure inspection, water leaks, corrosion, hinges, locks, sunroof, soft top, hood HVAC: Heating and ventilation, AC system (refrigerant charge, filters) Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, fuel filter replacement, V-belt inspection, coolant checks, tire pressure adjustments, battery checks Engine Tuning: Valve clearance adjustment, injection timing adjustment, idle speed adjustment, spark plug service Transmission Service: Fluid and filter changes for manual and automatic transmissions, clutch system checks Brake Service: Brake fluid replacement, brake pad and disc inspection, parking brake adjustment Suspension Steering Service: Ball joint inspection, axle oil level checks, steering play checks Electrical Troubleshooting: Lamp checks, indicator lamp functionality Bodywork Lubrication: Lubrication of door hinges, locks, mirrors, and hood mechanisms Technical Depth Depth: Comprehensive factory-level repair and diagnostic information, suitable for professional technicians and advanced DIYers. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable pages, allowing users to create physical copies of relevant sections. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Feature: Fully bookmarked and searchable for efficient information retrieval. Authenticity Source: Official factory service manual, identical to what dealers use. File Integrity Condition: Real files, not scanned copies, ensuring clarity and accuracy. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Diesel Inline-5 Displacement: 2.5 Liters (2497 cc) Bore X Stroke: 87.0 mm x 84.0 mm Compression Ratio: 22.0:1 Performance Horsepower Ps: 90 PS (approx. 89 hp) @ 4600 rpm Torque Nm: 159 Nm (approx. 117 lb-ft) @ 2800 rpm Fuel System Injection System: Bosch Inline Injection Pump Fuel Type: Diesel Cooling System Coolant Capacity: Approx. 8.0 Liters (refer to manual for exact specifications) Lubrication System Oil Capacity With Filter: Approx. 7.0 Liters (refer to manual for exact specifications and fluid type) 🔧 Transmission Standard Type: 5-Speed Manual Transmission Optional Type: 4-Speed Automatic Transmission (Optional) Features Clutch Type: Hydraulically Actuated Single Dry Plate Clutch Automatic Transmission Fluid Capacity: Approx. 7.5 Liters (refer to manual for specific type and exact capacity) 📐 Dimensions Exterior Length: Approx. 4420 mm (174.0 in) Width: Approx. 1690 mm (66.5 in) Height: Approx. 1380 mm (54.3 in) Weights Curb Weight: Approx. 1300-1400 kg (2866-3086 lbs) depending on options Gross Vehicle Weight Rating: Refer to vehicle VIN plate or manual 🛡️ Safety Features Ratings Crash Test Data: N/A (Limited standardized crash testing in this era, known for robust build quality) Active Features ABS: Anti-lock Braking System (Optional on some models, standard on later ones) Passive Features Airbags: Driver airbag typically standard from mid-generation onwards, passenger airbag optional. Seat Belts: Front and rear seat belts, manual check of operation covered in manual. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with cassette player, often with optional upgraded speakers. Manual includes cleaning procedures for tone heads. Driver Assistance Cruise Control: Optional cruise control system, troubleshooting may be covered. Connectivity Antenna: Manual mast antenna, cleaning and maintenance covered. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 7,500-10,000 miles or 12 months (refer to manual for specific recommendation based on driving conditions). Transmission Oil Change Manual: Recommended every 30,000-50,000 miles or as per manual. Fluid type: MB 235.1 or equivalent. Transmission Fluid Change Automatic: Recommended every 30,000-50,000 miles or as per manual. Fluid type: MB 236.3 or equivalent. Fluid Specifications Engine Oil Specification: API CD or CE, SAE 15W-40 or 10W-40 (refer to manual for precise viscosity and MB approval, e.g., MB-Approval 227.1) Coolant Specification: Glysantin G05 (or equivalent OAT coolant) mixed with distilled water at a 50/50 ratio. Brake Fluid Specification: DOT 3 or DOT 4 (refer to manual for specific MB approval, e.g.,...