🏷️ Basic Information Identification Make: Mercedes-Benz Model: 380SEL Chassis Code: W126 Generation Generation Code: W126 (First Generation) Codes Model Code: 380SEL 👋 Introduction Market Position Vehicle Class: Full-size Luxury Sedan Target Audience: Affluent individuals seeking a comfortable, well-engineered, and prestigious European luxury automobile. Competitive Analysis Key Competitors: BMW 7 Series (E23), Audi V8, Jaguar XJ-S (though a coupe), Cadillac Eldorado/Seville (US market competitor). Key Features Design Philosophy: Understated elegance, exceptional build quality, advanced engineering for its time, and uncompromising comfort. Manual Value Proposition: Provides professional-grade service information identical to what authorized Mercedes-Benz dealerships utilize, empowering owners and independent mechanics for accurate and efficient maintenance and repair. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair for Mercedes-Benz 380SEL (W126) Model Years Covered: 1981, 1982, 1983 Page Count Estimated Page Count: Extensive (Factory Original - typically 1000+ pages across multiple volumes, though digital format may vary) Manual Type Type: Factory Workshop Service Repair Manual Language Language: English Format Digital Format: HTML/Flash menu with PDF files 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system, fuel injection system (Bosch K-Jetronic), emissions control. Engine Electrical: Ignition system, starter system, charging system (alternator), engine control unit (ECU), sensor diagnostics, wiring diagrams. Transmission: Automatic transmission service and repair (e.g., 3-speed or 4-speed automatic depending on specific production), torque converter, hydraulic system, electronic controls (if applicable). Brakes: Hydraulic brake system, disc brakes (front and rear), ABS (Anti-lock Braking System) diagnostics and repair, brake fluid specifications, brake component replacement (pads, rotors, calipers). Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering linkage, wheel alignment specifications. Steering: Power steering system, steering gear, steering column, tie rods, power steering fluid specifications. Body And Chassis: Body panel repair, rust prevention, door mechanisms, window regulators, sunroof operation, bumpers, exterior trim, interior trim, seats, headliner, sound deadening. Electrical System: Lighting system (headlights, taillights, interior), battery, starter, alternator, fuses, relays, wiring diagrams for all vehicle systems, power windows, power seats, central locking, climate control system. Climate Control: Air conditioning system (compressor, evaporator, condenser, refrigerant), heating system, blower motor, HVAC controls, climate control panel. Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, fuel pressure regulator, Bosch K-Jetronic fuel injection system troubleshooting and adjustment. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, exhaust pipes, hangers. Wheels And Tires: Tire pressure specifications, wheel bolt patterns, wheel bearing replacement. Procedures Included Maintenance: Routine maintenance schedules, oil changes, filter replacements (oil, fuel, air), spark plug replacement, fluid level checks and top-offs, lubrication points. Diagnostics: Troubleshooting guides for common problems, diagnostic procedures for engine, transmission, brakes, and electrical systems, fault code interpretation (if applicable). Repair: Step-by-step repair instructions for all major vehicle components, including engine rebuilds, transmission overhauls, brake system repairs, suspension component replacement, electrical component repair, body panel repair. Replacement: Detailed procedures for replacing parts such as belts, hoses, gaskets, seals, wear items, and major components. Adjustment: Procedures for adjusting engine timing, fuel mixture (K-Jetronic), idle speed, parking brake, etc. Technical Depth Depth: Comprehensive: Covers everything from basic owner maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and schematics. Documentation Style: Factory level detail, including torque specifications, clearances, tolerances, and diagnostic charts. 📊 Manual Specifications File Format Format Details: HTML/Flash menu provides navigation to individual PDF files, allowing for organized access to specific sections. PDF files are generally searchable and printable. Print Quality Print Quality Digital: High (as dictated by original factory scans/digitalization, typically clear text and diagrams). Binding Type Binding Type Digital: N/A (Digital Format) Paper Type Paper Type Digital: N/A (Digital Format) Compatibility Operating Systems: Windows (95, 98, ME, XP, Vista, 7), Linux, macOS ⚙️ Engine Specifications Primary Engine Engine Code: M116 Configuration: 3.8-liter (3839 cc) V8 Valvetrain: SOHC (Single Overhead Camshaft) per bank, 2 valves per cylinder Performance Horsepower Approx: 155-160 hp (SAE Net) at approximately 4750-5000 RPM (varies slightly by year and market) Torque Approx: 210-220 lb-ft (SAE Net) at approximately 2500-3000 RPM (varies slightly by year and market) Fuel System Injection System: Bosch K-Jetronic (CIS - Continuous Injection System), mechanical fuel injection Fuel Type: Unleaded Gasoline Cooling System Coolant Type: Mercedes-Benz Specification Coolant (e.g., G48 or equivalent) Lubrication System Oil Type: API SF/SG or higher, SAE 15W-40 or 10W-40 (check manual for specific viscosity recommendations based on climate) Oil Capacity Approx: 7.5 liters (7.9 US quarts) with filter change 🔧 Transmission Standard Type: 4-speed Automatic Transmission (e.g., 4G-TRONIC, 722.3 series) Optional Type: No manual transmission option typically available for 380SEL in these years. Features Gear Selection: P, R, N, 3, 4 (later models may have D) Fluid Type: MB Spec 236.1 Automatic Transmission Fluid (e.g., Dexron II or equivalent as per manual) Fluid Capacity Approx: 2.5 - 3.0 liters (2.6 - 3.2 US quarts) for torque converter and lines; 8.0 liters...