🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114/W115 Codes Chassis Codes: W114 (Sedan, Coupe), W115 (Sedan) Generation Generation Name: Stroke-8 Production Years Covered: 1968-1976 👋 Introduction Market Position Target Audience: Enthusiasts, mechanics, owners seeking in-depth technical knowledge Competitive Analysis Information Source: Directly sourced from manufacturer's technical documentation Key Features Accessibility: Instant download for immediate use Content Quality: Reputable source of technical data, diagrams, and procedures Utility: Facilitates comprehensive maintenance and repair 📋 Manual Details Coverage Areas Language: English Geographic Focus: Global (specifications may vary by region) Page Count Estimated Page Count: Extensive (Digital format implies comprehensive content) Manual Type Type: Service and Repair Manual Format Format Type: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, troubleshooting, diagnostics for gasoline and diesel variants Fuel System: Carburetor (Zenith, Solex) and Diesel Injection System (Bosch) service and tuning Cooling System: Radiator, thermostat, water pump, hoses, and coolant specifications Ignition System: Distributor, ignition coil, spark plugs, timing adjustment Transmission: Manual (4 and 5-speed) and Automatic (3-speed) transmission overhaul, adjustment, and fluid specifications Drivetrain: Clutch, driveshaft, rear axle differential service and repair Suspension: Front independent suspension (double wishbone), rear semi-trailing arm suspension, shock absorbers, springs, bushings Steering: Power steering system service, steering gear and linkages Brakes: Front disc, rear drum brakes; hydraulic system, brake fluid specifications, bleeding procedures Electrical System: 12V electrical system, battery, alternator, starter motor, lighting, wiring diagrams, fuse panel Bodywork: Body panel removal and installation, rust repair guidance, door mechanisms, trim Heating And Ventilation: HVAC system components and service Clutch System: Mechanical clutch operation, pressure plate, clutch disc, release bearing Exhaust System: Exhaust manifold, catalytic converter (later models), mufflers, pipes Procedures Included Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, lubrication Troubleshooting: Diagnostic charts and symptom-based problem solving Repair: Step-by-step instructions for component disassembly, repair, and reassembly Diagnostics: Detailed procedures for identifying and rectifying common faults Assembly Disassembly: Comprehensive guides for all major vehicle components Painting Refinishing: General guidance on products and supplies, potential for bodywork and paint repair Collision Repair Guidance: Information relevant to assessing and repairing damage from collisions Technical Depth Depth: Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts Detail Level: Includes detailed diagrams, exploded views, torque specifications, and clearances 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text content due to digital nature Print Quality Print Capability: Printable by section or in full Binding Type Binding: N/A (Digital Product) Paper Type Paper Quality: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Engine Families: M115 (4-cylinder gasoline), M116 (V8 gasoline - W114 350SE/SEL), M117 (V8 gasoline - W114 350SE/SEL), OM615 (4-cylinder diesel), OM616 (5-cylinder diesel) Performance Typical Horsepower Range: 70 hp (diesel) to 180 hp (V8 gasoline, depending on variant) Typical Torque Range: 130 Nm (diesel) to 290 Nm (V8 gasoline, depending on variant) Fuel System Gasoline Induction: Single or dual downdraft carburetors (e.g., Solex 32/32 DIDTA, Zenith 35/40 INAT) Diesel Induction: Bosch inline injection pump Fluid Requirements Engine Oil Specification: API SE/CD or equivalent (e.g., SAE 10W-40 or 20W-50 depending on climate) 🔧 Transmission Standard Manual Options: 4-speed manual, 5-speed manual (late models) Optional Automatic Options: 3-speed automatic (e.g., ZF 3HP12, later Mercedes 722.1) Features Fluid Type: Automatic Transmission Fluid (ATF) Type T or Dexron II (for automatic transmissions) 📐 Dimensions Exterior Wheelbase: W114 Sedan/Coupe: 2750 mm (108.3 in); W115 Sedan: 2750 mm (108.3 in) Overall Length: W114 Sedan: ~4650 mm (183 in); W115 Sedan: ~4650 mm (183 in) Weights Curb Weight: Approx. 1350-1550 kg (2976-3417 lbs) depending on engine and equipment 🛡️ Safety Features Ratings Crash Test Era: Pre-modern crash testing standards; focus on structural integrity Active Features Braking System: Front disc brakes, rear drum brakes; often with servo assistance Passive Features Body Construction: Reinforced safety cell, crumple zones (early design) Seat Belts: Standard, often front lap and shoulder belts; rear lap belts 💡 Technology Features Infotainment Radio Options: Period-correct AM/FM radios, often with analog tuning Driver Assistance Advanced Features: Limited by era; focus on passive safety and robust mechanical systems Connectivity Connectivity Options: N/A (Pre-digital era) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 km (3,000-6,000 miles) or annually, depending on usage Tune Up Interval: Spark plugs, ignition points, and timing checks every 15,000-25,000 km (9,000-15,000 miles) Valve Adjustment: Recommended every 25,000-50,000 km (15,000-30,000 miles) Fluid Specifications Coolant Type: Ethylene glycol based coolant (e.g., Mercedes-Benz Coolant) Brake Fluid Type: DOT 3 or DOT 4 brake fluid Known Issues Common Wear Items: Ball joints, tie rod ends, control arm bushings, exhaust components, fuel lines Diesel Engine Concerns: Glow plug system issues, injector pump seals, pre-combustion chamber carbon buildup Body Corrosion: Prone to rust in common areas: wheel arches, sills, door bottoms, battery tray, trunk floor 📚 Vehicle History Brand Heritage Manufacturer Legacy: Mercedes-Benz's reputation for engineering, durability, and luxury Model Evolution Introduction Context: Replaced the W110 ('Fintail') range,...