🏷️ Basic Information Identification Make: Mercedes-Benz Model: 280CE Product Name: Mercedes-Benz 280CE 1977-1985 Factory Service Repair Manual Generation Model Code: W123 Coupe Production Years Covered By Manual: 1977-1985 Codes Engine Codes Potentially Covered: M110 (inline-6 gasoline) 👋 Introduction Market Position Target Audience: Owners of Mercedes-Benz 280CE (W123 Coupe) from 1977-1985, DIY mechanics, classic car restorers. Value Proposition: Provides essential factory-level information for maintaining and repairing the vehicle, mirroring dealership technician resources. Competitive Analysis Alternatives: Aftermarket repair manuals (Haynes, Chilton) often lack the depth and specificity of factory documentation. Key Features Key Selling Points: Comprehensive coverage, factory accuracy, detailed diagrams, troubleshooting guidance, DIY friendly. Download Benefit: Instant access via free download, no shipping costs. 📋 Manual Details Coverage Areas Primary Coverage: Full factory service and repair Engine Systems Coverage: Fuel, ignition, lubrication, cooling, emissions, engine mechanicals (including rebuilds) Transmission Systems Coverage: Manual and automatic transmission repair, service, and overhaul Chassis Systems Coverage: Suspension, steering, brakes (including ABS if applicable for later years), driveline Electrical Systems Coverage: Wiring diagrams, starter, alternator, lighting, instruments, body electronics Body And Interior Coverage: Body panels, exterior trim, seats, interior trim, HVAC, windows, doors Page Count Estimated Page Count: Likely over 1000 pages (typical for comprehensive factory manuals) Manual Type Type: Factory Service Workshop Manual Language Language: English (standard for factory manuals of this era) Format File Format: HTML/Flash menu with PDF Compatibility: Windows (95/98/ME/XP/Vista/Win7), Linux, MAC 📖 Manual Coverage Systems Covered All Systems: Comprehensive coverage of all mechanical, electrical, and body systems. Procedures Included Maintenance Procedures: Scheduled maintenance, lubrication, fluid changes, filter replacements. Repair Procedures: Detailed step-by-step repair instructions for all major components and systems, including engine rebuilds and transmission overhauls. Diagnostic Procedures: Troubleshooting guides, symptom analysis, and diagnostic flowcharts. Adjustment Procedures: Carburetor tuning, ignition timing, valve adjustments, brake adjustments. Technical Depth Depth: Factory-level technical depth, suitable for professional technicians and experienced DIY enthusiasts. Diagnostics: Advanced diagnostic procedures and component testing methods. Special Tools: Identification of special tools required for specific repairs. 📊 Manual Specifications File Format Interactivity: HTML/Flash menu for navigation, PDF for content. Searchability: PDF content is typically searchable, allowing quick access to specific information. Print Quality Quality: High-resolution digital reproduction of original factory documentation. Binding Type Binding: Not applicable (digital format) Paper Type Paper: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, SOHC (Single Overhead Camshaft) Engine Code: M110 Displacement: 2.8 Liters (2746 cc) Performance Horsepower: Approximately 140-155 hp (depending on specific year and market variations, e.g., with or without catalytic converter). Torque: Approximately 170-180 lb-ft (depending on specific year and market variations). Fuel System Fuel Delivery: Bosch K-Jetronic (CIS - Continuous Injection System) mechanical fuel injection. Fuel Type: Unleaded gasoline (Premium recommended) Ignition System Ignition Type: Electronic ignition (breakerless, often with vacuum advance and electronic control unit). Cooling System Cooling Method: Water-cooled 🔧 Transmission Standard Standard Transmission: 4-speed manual transmission (often optional). Optional Optional Transmission: 4-speed automatic transmission (common option). Features Automatic Features: Torque converter, hydraulic control, typically with a torque converter lock-up feature in later models. Fluid Specifications Automatic Transmission Fluid: MB 236.1, MB 236.3 (e.g., Dexron II or equivalent specified in the manual). Manual Transmission Fluid: API GL-4 gear oil (viscosity typically SAE 75W-90 or 80W-90, refer to manual for exact spec). 📐 Dimensions Exterior Body Style: 2-door Coupe Wheelbase: Approx. 2790 mm (109.8 inches) Length: Approx. 4725 mm (186 inches) Width: Approx. 1750 mm (68.9 inches) Height: Approx. 1390 mm (54.7 inches) Weights Curb Weight: Approx. 1450-1550 kg (depending on options and transmission) Gross Vehicle Weight Rating: Refer to vehicle's compliance plate (typically around 1900-2000 kg) 🛡️ Safety Features Ratings Crash Test Data: Data for this era is limited by modern standards, but the W123 chassis was known for robust construction. Active Features Braking System: Hydraulic disc brakes front, disc or drum rear (front discs vented). Power assisted. Anti Lock Braking System: Optional on later models (typically 1980s onwards). Passive Features Seatbelts: 3-point front seatbelts, lap belts rear (often with shoulder belt conversion available). Crumple Zones: Engineered crumple zones front and rear. Steering Column: Collapsible steering column. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with cassette player (optional upgrades available). Climate Control: Manual or automatic climate control system (optional). Features effective heating and A/C. Driver Assistance Cruise Control: Optional cruise control system. Power Windows: Standard or optional power windows. Connectivity Connectivity Features: None in the modern sense; basic electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km or 6-12 months (refer to manual for exact specification based on oil type and driving conditions). Major Service Interval: Significant inspections and component checks usually around 40,000-80,000 km intervals. Fluid Specifications Engine Oil Specification: API SF or SG, SAE 10W-40 or 20W-50 recommended (viscosity depends on climate). MB 229.1 or equivalent. Coolant Specification: Ethylene glycol-based antifreeze, typically a 50/50 mix with...