🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114/W115 Production Years: 1968-1976 Codes Chassis Codes: W114, W115 👋 Introduction Market Position Target Audience: Do-it-yourself enthusiasts and experienced mechanics Competitive Analysis Value Proposition: Provides comprehensive, factory-level repair and maintenance information for a specific classic Mercedes-Benz platform, offering cost savings over professional servicing. Key Features Content Highlight: Detailed illustrations, exploded diagrams, wiring schematics, and specifications for all models and engines within the W114/W115 range. Delivery Method Delivery: Instant Download 📋 Manual Details Coverage Areas Models Covered: 220, 220D, 230, 240D, 250, 250C, 280, 280C, 300D Year Coverage: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976 Page Count Total Pages: >5000 Manual Type Type: Official Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Overhaul and Rebuilding, Performance, Firing Orders, Vacuum Diagrams, Serpentine Belt Routings Brakes: Servicing Procedures, Complete Torque Specifications Suspension: Front End Alignment Procedures and Specifications, Suspension Servicing Transmission: Removal and Installation, In-Car Servicing Electrical: Wiring Diagrams, Computer Diagnostic Trouble Tree Charts, Computer Diagnostic Codes Bodywork: Sunroof Servicing Cooling Ac: Air Conditioning Service and Capacities Procedures Included Maintenance: Factory Maintenance Schedules and Charts, Driving Concerns Diagnostics: Trouble Codes, Troubleshooting and Diagnostics, Computer Diagnostic Trouble Tree Charts Repair: Engine Overhaul and Rebuilding, Transmission Removal and Installation, Brake Servicing, U-Joint and CV-Joint Service Procedures Timing Belt: Timing Belt Replacement, Timing Belt Service Procedures Technical Depth Depth: Comprehensive: Covers complete disassembly, detailed illustrations, exploded diagrams, wiring schematics, and step-by-step instructions for repair, maintenance, rebuilding, refurbishing, and restoration. 📊 Manual Specifications File Format Format: PDF/HTML/SWF Requirements: Adobe PDF Reader, WinZip Print Quality Printability: Fully Printable Searchability: Searchable and Bookmarked Binding Type Binding: Digital (Downloadable) Paper Type Paper Type: N/A (Digital) Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Types: Inline-4, Inline-6 (Petrol & Diesel) Performance Horsepower Torque: Varies by model and engine (e.g., M115 2.2L OHC I4, M130 2.8L OHC I6, OM615 2.2L OHC Diesel I4, OM616 2.4L OHC Diesel I4, OM617 3.0L OHC Diesel I5) Fuel System Fuel Delivery: Carbureted (Solex, Zenith) or Bosch Fuel Injection depending on model and year. 🔧 Transmission Standard Type: 4-speed Manual (standard on many models) Optional Type: Optional 3-speed or 4-speed Automatic (e.g., 'Hydrak' on earlier models, later Torque Converter Automatics) Features Transmission Servicing: In-car servicing procedures available. 📐 Dimensions Exterior Body Styles: 4-door Sedan (W114/W115), 2-door Coupe (C114) Weights Curb Weight: Approximately 3000-3500 lbs (1360-1590 kg), varies by model and configuration. 🛡️ Safety Features Ratings Safety Features: The manual covers the repair and maintenance of safety systems, including brakes. Original safety ratings are not directly provided in the product description but would be based on era-specific standards. Active Features Braking System: Disc brakes front, drum brakes rear (standard). Some models may have front-wheel disc brakes with power assist. Passive Features Construction: Unitized body construction. 💡 Technology Features Infotainment Audio Systems: Basic AM/FM radio or optional cassette players were typical for the era. Manual covers electrical systems supporting these. Driver Assistance Driver Aids: Limited driver assistance features typical for the era; focus is on mechanical and electrical systems. Connectivity Connectivity Features: N/A for modern connectivity standards. 🔧 Maintenance Service Intervals Routine Maintenance: The manual provides factory maintenance schedules, covering oil changes, filter replacements, and general inspections at specified intervals (e.g., 3,000-5,000 miles or 6-12 months). Fluid Specifications Engine Oil: Manual will specify viscosity grades (e.g., SAE 10W-40, 20W-50) and API service classifications appropriate for the era and engine types. Coolant: Manual will detail coolant type and mixture ratios. Transmission Fluid: Manual will specify ATF type for automatic transmissions and gear oil for manual transmissions. Known Issues Common Problems: While not explicitly listed as 'known issues', the manual's comprehensive coverage implies it addresses common wear and tear items such as rubber components, fuel system maintenance (especially for carbureted engines), and potential cooling system issues. 📚 Vehicle History Brand Heritage Mercedes Benz Legacy: Mercedes-Benz's reputation for engineering excellence and durability in the mid-size luxury segment. Model Evolution W114 W115 Development: Successors to the W110 'Fintail' series, these were Mercedes-Benz's first true 'compact executive' cars, designed for wider global appeal and more modern styling. Production Manufacturing Plants: Primarily Germany, with some assembly in other international locations. 🏆 Awards & Recognition Recognitions Model Recognition: The W114/W115 series was highly acclaimed for its build quality, ride comfort, and engineering, often considered a benchmark in its class during its production run. Specific awards are not detailed in the product description.