🏷️ Basic Information Identification Make: Mercedes-Benz Model: 380 SEC Chassis Code: W126 Generation Generation Name: First Generation W126 Coupe Codes Body Style Code: C126 (for Coupe) 👋 Introduction Market Position Market Position: The Mercedes-Benz 380 SEC (C126) represented the pinnacle of luxury personal coupes in its era, targeting affluent buyers who valued performance, comfort, and cutting-edge engineering. It competed with other high-end European coupes. Competitive Analysis Competitive Analysis: Competed primarily with models like the BMW 6 Series (E24), Porsche 928, and Jaguar XJ-S, offering a blend of sophisticated technology, luxurious appointments, and powerful V8 performance distinct from its rivals. Key Features Key Features Of Vehicle: Elegant pillarless coupe design, potent V8 engine, advanced (for its time) suspension and braking systems, luxurious interior appointments, sophisticated styling, and the renowned Mercedes-Benz build quality. 📋 Manual Details Coverage Areas Coverage Areas: Engine, Brakes, Suspension, Steering, Fuel System, Ignition System, Electrical System, HVAC, Bodywork, Exterior Trim, Interior Trim, Seats, Transmission, Drivetrain, Wheels, Tires, Diagnostic Procedures, Troubleshooting Page Count Estimated Page Count: Extensive (factory manuals are typically hundreds of pages, often presented in multiple volumes or sections) Manual Type Manual Type: Factory Workshop Service Repair Manual Language Language: English (assumed for typical North American market distribution, though factory manuals can be multilingual) Format Digital Format: HTML/Flash menu with PDF content 📖 Manual Coverage Systems Covered Systems Covered: Engine Mechanical, Engine Control Unit (ECU), Fuel Injection (K-Jetronic), Ignition, Cooling System, Lubrication System, Exhaust System, Transmission (Automatic), Differential, Drive Axles, Suspension (Front & Rear), Steering System, Braking System (ABS potentially), Climate Control (HVAC), Electrical Systems (lighting, instruments, power accessories), Body & Chassis, Interior Components (seats, trim), Exterior Trim & Bumpers, Diagnostic Trouble Codes (DTCs) interpretation Procedures Included Procedures Included: Routine Maintenance, Scheduled Service, Component Removal & Installation, Reassembly, Adjustments, Diagnostics, Troubleshooting, Component Testing, Wiring Diagrams, Technical Specifications, Torque Values, Fluid Capacities, Special Tool Requirements, Overhaul Procedures (e.g., transmission, engine components) Technical Depth Technical Depth: Comprehensive: Covers everything from basic fluid changes and filter replacements to complete engine and transmission rebuilds, complex electrical diagnostics, and bodywork repairs. Designed for professional technicians but accessible to experienced DIYers. 📊 Manual Specifications File Format File Format Details: Hybrid: HTML/Flash interface for navigation and menu-driven access, with core repair and diagnostic information presented in PDF documents for ease of printing and searching. Optimized for viewing on Windows and macOS operating systems. Print Quality Print Quality Output: Printable PDF pages; high resolution suitable for detailed diagrams and illustrations. The original factory manual's print quality is maintained in the digital format. Binding Type Binding Type: Digital/Electronic (no physical binding as it's a downloadable file) Paper Type Paper Type Equivalent: Digital; equivalent to high-quality, durable paper stock used in professional service manuals. ⚙️ Engine Specifications Primary Engine Engine Code Displacement: M116 3.8L (3818 cc) V8 Performance Horsepower And Torque: Approximately 155-160 horsepower and 197-200 lb-ft of torque (US market specifications may vary slightly). This was primarily focused on smooth power delivery and torque rather than outright sportiness. Fuel System Fuel System Type: Bosch K-Jetronic CIS (Continuous Injection System) Fuel Injection Engine Design Engine Configuration: SOHC V8 Cooling System Cooling System Type: Pressurized liquid cooling system with a fan clutch and coolant reservoir. Ignition System Ignition System Type: Breakerless electronic ignition system with distributor. 🔧 Transmission Standard Standard Transmission: 4-speed Automatic Transmission (722.3 series) Optional Optional Transmission: Not typically offered in most markets; the automatic was standard for this luxury coupe. Features Transmission Features: Comfort-oriented shift points, torque converter lock-up for improved fuel efficiency at cruising speeds. Manual shifting modes (e.g., 'E' Economy and 'S' Standard) were common. 📐 Dimensions Exterior Wheelbase: Approximately 115.9 inches (2945 mm) Overall Length: Approximately 195.9 inches (4975 mm) Overall Width: Approximately 70.5 inches (1790 mm) Overall Height: Approximately 55.4 inches (1408 mm) Weights Curb Weight: Approximately 3,800 - 3,950 lbs (1725 - 1790 kg) Gross Vehicle Weight Rating: Typically around 4,800 - 5,000 lbs (2175 - 2270 kg) 🛡️ Safety Features Ratings Safety Ratings Era: While specific crash test ratings from modern organizations like NHTSA or IIHS are not available for this era, Mercedes-Benz vehicles from this period were engineered to very high safety standards for their time, emphasizing occupant protection and structural integrity. Active Features Active Safety Features: Four-wheel disc brakes (potentially with ABS on later models or as an option), advanced suspension geometry for stability, power steering. Passive Features Passive Safety Features: Reinforced body structure, energy-absorbing steering column, padded interior surfaces, height-adjustable seat belts, dual front airbags (standard from 1984 onwards, may have been optional or not present on early 1982/1983 models), automatic seat belt presenters. 💡 Technology Features Infotainment Infotainment System: Basic for its era: AM/FM radio with cassette player, often with a power antenna. Manual climate control with optional automatic climate control. Power windows, power locks, cruise control, and power adjustable seats were standard or common...