🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114 / W115 Series Covered Models: 220, 230, 240, 250, 280, 300 Codes Chassis Code: W114 (Six-Cylinder Engines), W115 (Four-Cylinder Engines) 👋 Introduction Market Position Positioning: Essential diagnostic and repair resource for owners and independent workshops seeking to maintain and restore Mercedes-Benz W114/W115 series vehicles. Target Audience: Enthusiasts, DIY mechanics, and independent repair shops specializing in vintage Mercedes-Benz vehicles. Competitive Analysis Advantage: Offers comprehensive coverage for a range of engine variants and models within the W114/W115 chassis, providing a cost-effective alternative to dealership service for classic Mercedes-Benz owners. Key Features Usability: Easy-to-follow step-by-step instructions, clear pictures, and detailed wiring diagrams enhance user comprehension and repair execution. Accessibility: Instant download for PC, MAC, Tablets, and Smartphones ensures immediate access to repair information. Cost Savings: Empowers owners to perform their own maintenance and repairs, leading to significant savings on labor costs. 📋 Manual Details Coverage Areas Scope: Complete Service, Repair, and Maintenance Page Count Estimated Pages: Comprehensive (Exact count not specified, but described as 'in-depth' and 'full professional quality') Manual Type Type: Service Repair Shop Manual (Downloadable) Language Language: English Format Format: PDF Compatibility Devices: Win/MAC/Linux, Tablets, Smartphones Delivery Method: Instant Download upon payment, no shipping costs. 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical, Fuel System (Carburetor and Injection), Ignition System, Cooling System, Exhaust System, Diesel Injection Systems (where applicable) Drivetrain: Clutch, Manual Transmission, Automatic Transmission, Driveshafts, Differential, Axles Suspension Steering: Front Suspension (e.g., Double Wishbone), Rear Suspension (e.g., Swing Axle or Semi-Trailing Arm), Steering Gear, Power Steering System Brakes: Front Disc Brakes, Rear Drum Brakes (standard), Brake System Hydraulics, Parking Brake Electrical: 12-Volt Electrical System, Battery, Charging System (Alternator), Starting System, Lighting System, Ignition Switch, Gauges, Fuses and Relays, Wiring Diagrams Body: Body Panels, Doors, Hood, Trunk, Glass, Seals, Interior Trim, Bumpers, Body Maintenance and Repair Fuel System Petrol: Carburetor adjustment, fuel pump testing, fuel line maintenance, fuel filter replacement. Fuel injection system details for relevant models. Fuel System Diesel: Detailed procedures for diesel injection pump timing, injector testing and replacement, glow plug system servicing, fuel filter replacement. Procedures Included Maintenance: Routine Inspections, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Level Checks and Top-Offs, Lubrication Points Repair: Engine Overhaul, Transmission Rebuild, Brake System Service and Repair, Suspension Component Replacement, Steering System Repair, Electrical Component Diagnosis and Replacement, Bodywork Repair Diagnostics: Troubleshooting Guides for common problems, Symptom-based diagnostics, Fault code interpretation (if applicable to the era's systems) Engine Repair: Detailed procedures for cylinder head removal and installation, piston and connecting rod service, crankshaft bearing inspection and replacement, camshaft timing, valve adjustments, oil pump servicing. Transmission Repair: Manual transmission gear replacement, synchromesh repair, clutch assembly replacement. Automatic transmission internal component servicing, valve body adjustment, torque converter replacement. Electrical Diagnostics: Step-by-step troubleshooting for starting, charging, lighting, ignition, and instrument cluster issues using provided wiring diagrams. Suspension Repair: Ball joint replacement, shock absorber replacement, spring replacement, control arm bushing replacement, steering linkage repair. Brake Repair: Brake pad and shoe replacement, caliper and wheel cylinder servicing, brake hose replacement, brake fluid bleeding, parking brake adjustment. Technical Depth Depth: Detailed step-by-step instructions, Exploded views, Torque specifications, Clear illustrations and diagrams, Wiring schematics Special Tools: Identifies and describes necessary special tools for specific repair procedures, common for Mercedes-Benz maintenance of this period. Wiring Diagrams: Comprehensive and detailed wiring diagrams for all electrical systems, essential for diagnostics and repairs. 📊 Manual Specifications File Format Format: PDF (Downloadable) Print Quality Quality: Professional quality, high-resolution scans for clarity (implied by 'professional quality in depth') Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Variants Covered: Inline-4 Petrol (e.g., M115 series), Inline-6 Petrol (e.g., M180, M114, M110 series), Inline-4 Diesel (e.g., OM615 series), Inline-5 Diesel (e.g., OM617 series) Performance Displacement Range: Approximately 2.0L to 3.0L (specifics vary by model designation) Fuel System Types: Carburetor (e.g., Solex, Zenith) for petrol models, Bosch mechanical fuel injection (for some 6-cylinder models), Bosch inline diesel injection pumps for diesel models. 🔧 Transmission Standard Type: 4-speed Manual Transmission (often standard on lower-end models) Optional Type: 4-speed Automatic Transmission (e.g., 'Hydrak' or Torque Converter Automatics) Features Fluid Type: Specific automatic transmission fluid (e.g., Dexron-II or equivalent) and manual transmission oil (GL-4 rated gear oil) detailed in the manual. 📐 Dimensions Exterior Body Styles: Sedan (4-door), Coupe (2-door) Weights Curb Weight Range: Approximately 1300-1500 kg (2866-3307 lbs) depending on model and equipment. 🛡️ Safety Features Ratings Crash Tests: No formal NCAP ratings for this era, but known for robust construction typical of Mercedes-Benz of the period. Active Features Features: Power assisted steering (optional/standard on some models), Four-wheel disc brakes (on some later or higher-end models), Dual circuit brake system. Passive Features Features: Safety steering column, Reinforced passenger cell, Padded dashboard and interior surfaces. 💡 Technology Features Infotainment Features: Factory fitted AM/FM radio,...