🏷️ Basic Information Identification Make: Mercedes-Benz Model: W123 280E Model Code: W123 Chassis Code: W123 Engine Variant Covered: 280E Codes Production Years Covered: 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985 👋 Introduction Market Position Target Audience: Do-it-yourselfer and experienced mechanic Value Proposition: Inexpensive way to keep vehicle working properly Competitive Analysis Advantage: Comprehensive coverage, detailed illustrations, step-by-step instructions, avoids shipping/wait times Key Features Feature 1: Complete workshop service manual for W123 280E Feature 2: Detailed repair procedures with photos and illustrations Feature 3: Troubleshooting and electrical system diagnostics Feature 4: Printable and accessible via digital download 📋 Manual Details Coverage Areas Manual Type: Full Workshop Service Manual Coverage Scope: Complete Service and Repair Applicable Body Styles: All Styles Covered (Sedan, Coupe, Wagon - assuming 280E was available in these, though primarily sedan) Page Count Estimated Page Count: Hundreds of Pages (Specific count not provided, but implies comprehensive) Language Language: English Format File Format: PDF Delivery Method: Digital Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnostics, fuel system, ignition system, cooling system, lubrication system Transmission: Automatic and Manual transmission service, repair, and overhaul Drivetrain: Driveshafts, differentials, axles, U-joints Suspension: Front and rear suspension components, alignment, shock absorbers, springs Steering: Power steering system, steering linkage, steering column Brakes: Brake system components, hydraulic system, power assist, disc and drum brake service, ABS (if applicable for later years) Electrical: Complete electrical system diagnostics, wiring diagrams, starter, alternator, battery, lighting, accessories Fuel System: Fuel injection system (Bosch K-Jetronic), fuel pump, injectors, fuel lines, fuel filter Cooling System: Radiator, fan, water pump, thermostat, coolant hoses Exhaust System: Exhaust manifolds, catalytic converter (if applicable), mufflers, exhaust pipes Body: Body panel removal and installation, interior trim, glass, doors, hood, trunk HVAC: Heating, Ventilation, and Air Conditioning system service and repair Procedures Included Maintenance: Regular maintenance, oil changes, filter replacements, tune-ups, fluid checks Troubleshooting: Step-by-step troubleshooting guides for common and complex issues Repair: Detailed instructions for component repair and replacement Overhaul: Complete disassembly and reassembly procedures for major components Diagnostics: Diagnostic procedures for mechanical and electrical systems Wiring Diagrams: Detailed electrical wiring diagrams for all systems Technical Depth Depth Of Information: Complete disassembly of the machine, high level of detail Instruction Style: Step-by-step instructions with numbered steps Illustrations: Hundreds of photos and illustrations, detailed drawings Notes Cautions: Includes notes, cautions, and warnings throughout each chapter Figure Matching: Bold figure numbers for easy illustration matching Inset Details: Enlarged insets for detailed part examination Navigation: Numbered table of contents for fast information retrieval 📊 Manual Specifications File Format Printability: Printable without restriction (entire manual or specific pages) Print Quality Quality Description: Professional quality, in-depth Binding Type Binding Type Description: N/A (Digital Download - printable for binding) Paper Type Paper Type Description: N/A (Digital Download - buyer chooses paper type) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, SOHC (M110 engine family) Displacement: 2.8 Liters (2789 cc) Bore X Stroke: 86.0 mm x 80.25 mm Compression Ratio: Approx. 8.0:1 or 8.2:1 (depending on specific model year and market) Performance Horsepower Gross: Approx. 182-185 hp @ 5800 rpm (depending on specific model year and market) Torque Gross: Approx. 220-225 Nm (162-166 lb-ft) @ 4000 rpm (depending on specific model year and market) Fuel System Fuel Delivery: Bosch K-Jetronic (CIS) Mechanical Fuel Injection Fuel Type: Unleaded Gasoline (Octane rating as per manual specification) Fuel Pump Type: Mechanical or Electric (depending on year and market) Engine Management Ignition System: Electronic Ignition (breakerless type common) 🔧 Transmission Standard Transmission Type Standard: 4-speed Automatic Transmission (optional for some markets/earlier years, but 280E typically featured auto) Optional Transmission Type Optional: 4-speed or 5-speed Manual Transmission Features Transmission Fluid Spec: Refer to manual for specific ATF specification (e.g., Dexron II) 📐 Dimensions Exterior Wheelbase: 2800 mm (110.2 in) Length: 4725 mm (186.0 in) Width: 1790 mm (70.5 in) Height: 1420 mm (55.9 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) depending on configuration Gross Vehicle Weight: Refer to manual for specific GVWR 🛡️ Safety Features Ratings Safety Ratings Era: Designed to meet safety standards of its era, though formal crash test ratings as we know them today were less standardized. Active Features Brakes: Four-wheel disc brakes (standard on 280E) Steering: Power steering for improved maneuverability Passive Features Construction: Robust body construction characteristic of Mercedes-Benz engineering Seat Belts: Three-point seat belts (front and often rear) Driver Protection: Crumple zones designed for energy absorption 💡 Technology Features Infotainment Infotainment System: Basic analog radio and cassette player (optional features varied by market and trim) Driver Assistance Driver Assistance Features: Limited by modern standards; primarily focused on mechanical systems like power steering and brakes. Connectivity Connectivity Features: N/A (No electronic connectivity features) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual; typically every 5,000-7,500 miles or 6-12 months Filter Replacement: Air filter, fuel filter,...