🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114 / W115 Model Designations: E-Class (precursor), 'Stroke Eight' Codes Chassis Code Long: W114 (Six-cylinder models) / W115 (Four-cylinder models) Chassis Code Short: W114 / W115 👋 Introduction Market Position Target Audience: Mercedes-Benz W114/W115 owners, independent workshops, classic car enthusiasts, DIY mechanics. Competitive Analysis Value Proposition: Provides the same level of detail as professional workshop manuals, offering significant cost savings for repairs and maintenance compared to dealership services. Key Features Visuals: Hundreds of detailed photos and diagrams, including exploded views. Instructional Style: Step-by-step instructions for accuracy and ease of use. Completeness: Full service, repair, and troubleshooting coverage. 📋 Manual Details Coverage Areas Applicable Years: 1968-1976 Body Styles Covered: Sedan (Limousine), Coupe (C114), (Note: The manual likely covers the primary sedan and coupe variants. Page Count Estimated Pages: Hundreds (precise count not specified, but described as extensive) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English (implied by product description and target market) Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system, lubrication system. Drivetrain: Clutch, manual transmission, automatic transmission, propeller shaft, final drive, axles. Suspension Steering: Front suspension, rear suspension, steering system, steering gear, power steering. Brakes: Front brakes, rear brakes, parking brake, hydraulic system, brake adjustments, troubleshooting. Electrical: Battery, charging system (alternator/generator), starting system, lighting system, ignition system, instruments, switches, wiring diagrams, fuse/relay locations. Body Chassis: Body construction, interior trim, exterior trim, doors, windows, seats, heating system, ventilation, air conditioning (if applicable). Troubleshooting: Diagnostic procedures, common problems, fault finding for all major systems. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication, tune-ups. Repair: Engine overhaul, transmission rebuild, brake caliper replacement, suspension component renewal, electrical component repair. Diagnostics: Step-by-step diagnostic routines for common and uncommon issues. Adjustments: Carburetor adjustments, ignition timing, valve clearances, clutch pedal free play, brake adjustments. Technical Specifications: Torque specifications, clearances, fluid capacities, electrical values, engine data. Technical Depth Depth: Comprehensive: Covers routine maintenance to full engine and transmission rebuilds, including detailed diagnostics and electrical system troubleshooting. 📊 Manual Specifications File Format Format: PDF Searchability: Likely searchable text content, enabling quick access to information. Print Quality Printability: Printable (single pages or entire manual) Binding Type Digital Binding: N/A (digital download) Paper Type Digital Paper Emulation: N/A (digital download) Software Compatibility Operating Systems: Windows and macOS Licensing Usage Rights: Unlimited use on multiple devices, no expiry ⚙️ Engine Specifications Primary Engine Variants W115 Petrol: M115 inline-4 (e.g., 2.0L, 2.2L, 2.3L OHV) W115 Diesel: OM615 inline-4 (e.g., 2.0L, 2.2L, 2.4L SOHC Diesel) W114 Petrol: M114 inline-6 (e.g., 2.3L, 2.5L, 2.8L OHV) W114 Petrol Later: M130 inline-6 (e.g., 2.8L SOHC - likely covered in later years within the range) Performance Horsepower Range: Approx. 70-140 hp (depending on engine variant and tuning) Torque Range: Approx. 120-220 Nm (depending on engine variant) Fuel System Petrol Induction: Carburetor (e.g., Solex, Zenith, Stromberg) or Bosch D-Jetronic fuel injection (on later/higher performance models) Diesel Injection: Bosch inline injection pump Engine Construction Block Material: Cast Iron Head Material: Aluminum Alloy 🔧 Transmission Standard Transmission Type: 4-speed Manual (column or floor shift) Optional Transmission Type: 3-speed Automatic (e.g., 'Hydrak' or traditional torque converter automatic, often referred to as 'Flexomatic' or 'Potsdamer Getriebe') Features Automatic Operation: Full automatic control, potentially with selectable modes (e.g., Comfort/Sport on some later models). Fluid Type Automatic Fluid: Dexron II (or equivalent automatic transmission fluid - ATF) - Specific Mercedes-Benz specification likely detailed in the manual. Manual Fluid: Hypoid gear oil (e.g., SAE 90 GL-4/GL-5) - Specific Mercedes-Benz specification likely detailed in the manual. 📐 Dimensions Exterior Wheelbase: W114: approx. 2750 mm (108.3 in) / W115: approx. 2820 mm (111.0 in) Overall Length: W114: approx. 4730 mm (186.2 in) / W115: approx. 4780 mm (188.2 in) Overall Width: Approx. 1750 mm (68.9 in) Overall Height: Approx. 1420 mm (55.9 in) Weights Curb Weight: Approx. 1300-1500 kg (depending on engine and options) Gross Vehicle Weight: Approx. 1800-2000 kg 🛡️ Safety Features Ratings Crash Test Era: Pre-modern crash testing standards; designed for structural integrity of the era. Active Features Brakes: Hydraulic disc front brakes, drum rear brakes. (Later models may have had optional front disc brakes on all variants). Suspension Stability: Independent front suspension, semi-trailing arm rear suspension designed for stability. Passive Features Seat Belts: Provision for seat belts, often lap belts in front and rear as standard, with 3-point belts becoming more common through the production run. Body Structure: Reinforced safety cage construction, impact-absorbing steering column (a hallmark of Mercedes-Benz safety innovation). 💡 Technology Features Infotainment Radio: Optional analog radio, often with push-button tuning. Speakers: Typically front door speakers or dashboard speakers. Driver Assistance Cruise Control: Optional on some higher-trim models. Power Steering: Optional on many models, a significant comfort feature for the era. Connectivity Modern Connectivity: N/A (Designed...