🏷️ Basic Information Identification Make: Mercedes-Benz Model: 280SE Chassis Code: W116 Codes Engine Code Variants: M110 (inline-6) Model Code: 280SE 👋 Introduction Market Position Market Segment: Luxury Sedan Target Audience: Affluent consumers seeking comfort, safety, and engineering excellence Competitive Analysis Key Competitors: BMW 7 Series, Jaguar XJ, Cadillac Eldorado/Seville, Lincoln Continental Key Features Vehicle Highlights: Robust construction, advanced safety features for its era (crumple zones), powerful inline-6 engine, sophisticated ride quality Manual Value Proposition Diy Advantage: Empowers DIY enthusiasts to perform a wide range of maintenance and repairs, saving on dealer labor costs Dealer Equivalence: Provides the same technical information used by factory-trained technicians 📋 Manual Details Coverage Areas Coverage: Comprehensive service and repair Page Count Estimated Page Count: Extensive (typical factory manuals are 1000+ pages) Manual Type Type: Factory Workshop Service Repair Manual Language Language: English (standard for factory manuals of this era, though original may be German) Format Format: HTML/Flash menu with PDF files 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnosis, tune-up, fuel system, ignition system, lubrication, cooling system Transmission: Automatic transmission overhaul, maintenance, troubleshooting (e.g., 4-speed automatic) Brakes: Hydraulic system, calipers, rotors, master cylinder, power assist, parking brake, troubleshooting Suspension: Front and rear suspension components, shock absorbers, springs, ball joints, bushings, steering linkage Electrical: Wiring diagrams, starter, alternator, battery, lighting, gauges, ignition switch, accessories, troubleshooting Bodywork: Exterior trim, interior trim, seats, door mechanisms, windows, glass, body panel repair, rust prevention Climate Control: Air conditioning system (if equipped), heating system, ventilation Fuel System: Fuel injection system (Bosch K-Jetronic), fuel pump, injectors, fuel lines, fuel tank Exhaust System: Exhaust manifolds, pipes, catalytic converter (if applicable), mufflers Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications Steering: Power steering system, steering column, steering gear Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, electrical system diagnostics Repair: Component removal and installation, engine rebuilding, transmission overhaul, brake system repair, suspension component replacement Adjustments: Valve adjustments, ignition timing adjustments, idle speed adjustments, carburetor adjustments (if applicable, though W116 typically had FI) Installation: Component installation, accessory installation Torquing: Specifications for critical fastener torques Technical Depth Depth: Factory-level detail for all mechanical, electrical, and body systems Diagnostic Tools: May reference specialized Mercedes-Benz diagnostic tools and procedures of the era Rebuild Procedures: Detailed step-by-step instructions for major component rebuilds (engine, transmission) 📊 Manual Specifications File Format File Type: Digital (HTML/Flash menu with PDF) Searchability: Likely searchable PDF content within the HTML structure Print Quality Print Quality Notes: PDF output allows for high-quality printing of individual pages or sections Binding Type Binding: N/A (Digital Product) Paper Type Paper Type: N/A (Digital Product) Compatibility Operating Systems: Windows 95/98/ME/XP/Vista/Win7, Linux, MAC ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6, DOHC (Double Overhead Camshaft) Engine Code: M110.985 (typical for 280SE W116) Displacement: 2746 cc (2.75 Liters) Performance Horsepower: Approx. 182-185 hp (DIN) at 5800 rpm (depending on market and emissions standards) Torque: Approx. 170-177 lb-ft (230-240 Nm) at 4500 rpm Fuel System Fuel Delivery: Bosch Continuous Injection System (CIS) K-Jetronic Fuel Type: Unleaded Premium Gasoline (RON 91 or higher) Cooling System Coolant Type: Ethylene Glycol based antifreeze mixture (e.g., MB 325.0 or equivalent) Lubrication System Oil Type: API SG/SH or higher, SAE 10W-40 or 15W-40 (check manual for specific viscosity recommendations based on climate) Oil Capacity: Approx. 6.5 Liters (6.9 US Quarts) with filter change Ignition System Ignition Type: Electronic Ignition (Distributor with Hall sensor and ignition coil) 🔧 Transmission Standard Transmission Type: 4-speed Automatic (e.g., 4G-Tronic) Optional Optional Transmission: 4-speed Manual (less common) Features Automatic Features: Torque converter, hydraulic control, possibly lock-up torque converter in later models Fluid Specifications Automatic Transmission Fluid: Dexron III / Mercon (or equivalent MB specification like MB 236.1) Fluid Capacity Automatic Transmission Fluid Capacity: Approx. 8.5 Liters (9.0 US Quarts) for a full refill (check specific model year) 📐 Dimensions Exterior Length: Approx. 4950 mm (194.9 in) Width: Approx. 1790 mm (70.5 in) Height: Approx. 1430 mm (56.3 in) Wheelbase: Approx. 2850 mm (112.2 in) Weights Curb Weight: Approx. 1550-1650 kg (3417-3638 lbs) depending on equipment Gross Vehicle Weight Rating: Approx. 2100 kg (4630 lbs) Cargo Trunk Capacity: Approx. 500 Liters (17.7 cu ft) 🛡️ Safety Features Ratings Safety Era Design: Pioneered many safety features, including padded interiors, collapsible steering column, and optimized crumple zones Active Features Brakes Type: Four-wheel disc brakes (ventilated front discs) Power Steering: Standard power-assisted recirculating ball steering Passive Features Seat Belts: Three-point seatbelts (front and rear) Headrests: Adjustable headrests Body Structure: Reinforced safety cage, energy-absorbing body panels 💡 Technology Features Infotainment Audio System: Original units typically featured AM/FM radio, cassette player (optional), and analogue tuning dials. Aftermarket upgrades are common. Driver Assistance Cruise Control: Optional cruise control system (mechanical vacuum operated) Connectivity Connectivity Features: None from factory (analog systems only) 🔧...