🏷️ Basic Information Identification Make: Mercedes-Benz Model: W115 240D Year: 1973-1976 Codes Chassis Code: W115 👋 Introduction Market Position Target Audience: Do-it-yourself owners and experienced mechanics seeking comprehensive repair information. Competitive Analysis Value Proposition: An inexpensive method to maintain vehicle operation and repair issues. Key Features Content Scope: Complete official full factory service and repair manual, providing in-depth information. Usability: Easy-to-navigate with a numbered table of contents for quick information retrieval. Delivery Advantage: Instant digital download eliminates shipping costs and wait times. 📋 Manual Details Coverage Areas Covered Years: 1973, 1974, 1975, 1976 Covered Models: W115 240D (all styles) Page Count Estimated Page Count: Hundreds (exact number not specified but implied substantial) Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service Repair: Comprehensive engine overhaul, diagnostics, and component repair. Transmission Service Repair: Detailed procedures for manual and automatic transmission servicing and repair. Brake System: Inspection, repair, and adjustment of braking components. Electrical System: Diagnosis and repair of electrical circuits and components. Wiring Diagrams: Detailed and comprehensive wiring schematics. Suspension: Service and repair of front and rear suspension systems. Steering: Repair and adjustment of the steering system. Cooling System: Maintenance and repair of the engine cooling system. Fuel Injection: Detailed coverage of the diesel fuel injection system. Fuel System: Service and repair of the entire fuel delivery system. Emission System: Coverage will likely focus on basic emission controls inherent to the diesel engine design of the era, rather than complex catalytic converters or onboard diagnostics. Heater Air Conditioning: Maintenance and repair of HVAC systems. Engine Control System: Details on the mechanical aspects of engine control, including fuel delivery and timing, as electronic engine management was not prevalent. Chassis Body: Bodywork, frame, and chassis repair and maintenance. Restraint System: Information on seat belts and related safety systems. Interior: Procedures for interior component servicing and repair. Differential Drive: Service and repair of the rear axle and differential. Axle: Repair and maintenance of front and rear axles. General Maintenance: Routine checks, fluid changes, and preventative maintenance. Troubleshooting: Systematic diagnosis and resolution of common vehicle problems. Periodic Lubrication: Recommended lubrication points and schedules. Procedures Included Repair Procedures: Step-by-step instructions for complete disassembly and reassembly of components. Diagnostic Procedures: Guidance for identifying and troubleshooting malfunctions. Maintenance Schedules: Recommended service intervals for various components. Adjustment Procedures: Detailed instructions for making necessary adjustments. Torque Specifications: Crucial torque values for critical fasteners. Technical Depth Depth: Full factory service manual depth, suitable for both DIY and professional mechanics. Illustrations: Hundreds of photos, drawings, and detailed illustrations. Instruction Format: Numbered instructions with bold figure numbers for easy illustration matching. Information Emphasis: Notes, cautions, and warnings to highlight critical information. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable without restriction, allowing for full or partial printing. Binding Type Binding Type: Digital Download (Printable) Paper Type Paper Type: N/A (Digital) Delivery Delivery Method: Instant download link provided on the checkout page after payment. Requirements Software Requirement: Adobe PDF Reader Compatibility: Compatible with all PC-based Windows operating systems and Mac. ⚙️ Engine Specifications Primary Engine Engine Code: OM615 (likely 240D variant) Engine Type: Inline-4 Diesel Displacement: 2.4 Liters (2404 cc) Performance Horsepower Approx: Approx. 62-72 hp (depending on specific market and tuning) Torque Approx: Approx. 140-150 Nm (depending on specific market and tuning) Fuel System Injection Type: Bosch Inline Injection Pump (likely MW type) Fuel Type: Diesel Fuel 🔧 Transmission Standard Transmission Type: 4-speed Manual (standard) Optional Transmission Type: Optional 4-speed Automatic Transmission (e.g., 4G-Tronic) Features Clutch Type: Single Dry Plate Clutch (Manual Transmission) 📐 Dimensions Exterior Body Styles: 4-door Sedan (saloon), likely also covers Estate/Station Wagon (S115) variants based on 'all styles covered'. 💡 Technology Features Infotainment Infotainment System: Basic radio (AM/FM, possibly cassette) often optional; no integrated modern infotainment features. Driver Assistance Driver Assistance Features: Limited to standard braking, steering; no electronic driver aids like ABS or traction control were standard or widely available on this model. Connectivity Connectivity: N/A (pre-dates modern automotive connectivity standards). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 km or 6-12 months (refer to manual for exact specification). Filter Replacement: Oil filter with every oil change; fuel filter annually or as per manual. Fluid Specifications Engine Oil: API CD or ACEA B3/B4 specification diesel engine oil (e.g., 15W-40 or 20W-50 depending on climate, check manual for exact spec). Coolant: Mercedes-Benz approved coolant (glycol-based anti-freeze/anti-corrosion mixture). Brake Fluid: DOT 3 or DOT 4 brake fluid (ensure compliance). Known Issues Common Wear Items: Diesel injection pump seals, glow plugs, exhaust systems, suspension bushings, and potential rust in common areas for vehicles of this age. Diesel Specific Concerns: Fuel filter clogging, injector pump calibration, and general wear on engine components due to high mileage. 📚 Vehicle History Brand Heritage Manufacturer: Mercedes-Benz, renowned...