🏷️ Basic Information Identification Make: Mercedes-Benz Model: 300SE Year: 1993 Generation Chassis Code: W140 Codes Engine Code: M104.990 Transmission Code: 722.5 (5-speed automatic) 👋 Introduction Market Position Positioning: The Mercedes-Benz 300SE (W140) represented the pinnacle of luxury and engineering in the early 1990s, targeting the executive and affluent buyer. This manual caters to owners and independent workshops specializing in high-end German automobiles. Competitive Analysis Competitors: Competed directly with vehicles such as the BMW 7 Series (E32), Lexus LS400 (XF10), and Audi V8 Quattro. Key Features Vehicle Highlights: The W140 generation was known for its substantial build quality, advanced (for its time) technology, and serene ride. The 300SE offered a refined straight-six engine, a comfortable and spacious interior, and a suite of luxury features. Manual Value Proposition Value: This comprehensive service manual is an indispensable resource for maintaining the longevity and performance of a 1993 Mercedes-Benz 300SE. It empowers users with the detailed technical knowledge to perform all necessary maintenance and repairs accurately and efficiently. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Brakes: Yes Suspension: Yes Electrical System: Yes Bodywork And Chassis: Yes HVAC: Yes Fuel System: Yes Cooling System: Yes Exhaust System: Yes Interior Trim And Appointments: Yes Diagnostic Troubleshooting: Yes Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, including cylinder head, block, pistons, connecting rods, crankshaft, camshafts, timing system (chain, tensioners, guides), valve train. Engine Management: Bosch LH-Jetronic fuel injection, ignition system, electronic control unit (ECU) diagnosis and troubleshooting, sensor data, component testing (MAF, O2, TPS, crank position). Transmission Automatic: Detailed procedures for 722.5 5-speed automatic transmission, including hydraulic control, valve body, torque converter, clutch packs, electronic control module (ETC), troubleshooting, and fluid service. Brakes System: Front and rear brake system service, including ABS (Anti-lock Braking System) components, hydraulic lines, calipers, rotors, pads, brake fluid flush and bleed procedures, parking brake. Suspension And Steering: Front and rear independent suspension, shock absorbers, springs, control arms, ball joints, tie rods, steering gearbox, power steering system, alignment specifications. Electrical System And Wiring: Comprehensive wiring diagrams for all vehicle systems, fuse box layout, relay functions, component testing, starter, alternator, battery, lighting systems, power windows, mirrors, central locking. HVAC System: Automatic climate control (ACC) system, refrigerant service, blower motor, control panel, diagnostic procedures, component replacement. Fuel And Emissions: Fuel tank, fuel pump, fuel filter, fuel lines, evaporative emissions control (EVAP) system, catalytic converter, exhaust manifold, O2 sensors. Cooling System: Radiator, coolant hoses, water pump, thermostat, cooling fan (electric/viscous coupling), coolant capacity and specifications. Body And Chassis: Body panel removal and installation, door mechanisms, window regulators, sunroof operation, interior trim components, seal replacement, structural components. Procedures Included Routine Maintenance: Oil change, filter replacement (oil, air, fuel, cabin), spark plug replacement, fluid level checks and top-offs, tire rotation and pressure. Specific intervals provided. Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting, fault code interpretation (where applicable). Component Replacement: Step-by-step instructions for replacing major and minor components across all vehicle systems. Rebuilding Procedures: Detailed procedures for rebuilding major components such as the engine and transmission. Torque Specifications: Precise torque values for all critical fasteners during assembly and disassembly. Special Tools And Equipment: Identification and usage instructions for specialized tools required for specific repairs. Technical Depth Depth: Comprehensive and professional level, suitable for dealership technicians and experienced DIY mechanics. Covers everything from basic adjustments to complete overhauls and complex diagnostics. 📊 Manual Specifications File Format PDF Quality: High resolution, scanned or digitally produced for clarity and legibility of text and diagrams. Searchable: Yes, text-searchable PDF for quick information retrieval. Print Quality Print Readability: Designed to be fully printable with clear diagrams and text. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, DOHC, 24-valve Displacement: 3.2 Liters (3199 cc) Performance Horsepower: 228 hp @ 5500 rpm Torque: 232 lb-ft @ 4400 rpm Fuel System Injection System: Bosch LH-Jetronic Electronic Fuel Injection Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Ignition System Ignition Type: Distributorless Electronic Ignition (EZL/HWA) Cooling System Cooling Capacity: Approximately 10.0 Liters (coolant mix) Oil System Oil Capacity: Approximately 8.0 Liters (with filter change) Recommended Oil Viscosity: SAE 0W-40 or 5W-40 (check manual for specific MB approval) 🔧 Transmission Standard Transmission Type: 5-speed Automatic (722.5) Optional Optional Transmission: N/A for 1993 300SE Features Transmission Features: Electronic control, Comfort/Sport mode selection, limp-home mode capability. Fluid Specifications Automatic Transmission Fluid: MB 236.8 (e.g., Mobil ATF 220, Castrol TQ-D, or equivalent approved fluid) Fluid Capacity Transmission Fluid Capacity: Approximately 8.0 Liters (service refill, total capacity higher) 📐 Dimensions Exterior Length: 5113 mm (201.3 in) Width: 1886 mm (74.3 in) Height: 1473 mm (58.0 in) Wheelbase:...