🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114/W115 Generation Generation Name: Stroke-8 (Neue Klasse) Generation Years: 1968-1976 Codes Chassis Code: W114 (6-cylinder), W115 (4-cylinder) 👋 Introduction Market Position Positioning: The W114/W115 series, also known as the 'Stroke-8' or 'Neue Klasse', represented Mercedes-Benz's entry into the mid-size luxury sedan market, offering a balance of robust engineering, comfort, and reliability, becoming a global success. Competitive Analysis Competitors: Competed against vehicles like the BMW E116/E12, Audi 100, and Citroën DS in its respective market segments. Key Features Distinguishing Features: Monocoque construction (a first for Mercedes-Benz in this class), excellent ride comfort, robust drivetrain options (including the durable OM615/OM616 diesels), and a timeless design. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Page Count Estimated Page Count: Extensive (typical workshop manuals of this era are 500+ pages) Manual Type Type: Digital Workshop Service Repair Manual Language Language: English Format Format: PDF, HTML (downloadable) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, inspection, and reassembly, including torque specifications and clearances. Engine Lubrication: Covers oil pump, oil cooler, oil filter, lubrication passages, and oil pressure testing. Engine Cooling: Radiator, water pump, thermostat, coolant passages, fan operation, and pressure testing. Engine Control: Ignition system (points, condenser, coil, distributor), carburetion (Stromberg, Zenith, Solex depending on model), and fuel injection (Bosch D-Jetronic for some models). Fuel System: Fuel tank, fuel pump (mechanical/electric), fuel lines, filters, and carburetor/injection system maintenance and adjustment. Exhaust System: Exhaust manifolds, pipes, mufflers, catalytic converters (if applicable for later models), and mounting hardware. Clutch: Clutch disc, pressure plate, release bearing, flywheel, and hydraulic clutch system components and bleeding. Manual Transmission: Gearbox disassembly, rebuild, shifting mechanisms, and lubricant specifications. Automatic Transmission: Hydraulic control systems, torque converter, planetary gear sets, valve body, and fluid specifications for models like the 722.X series. Front Axle: Suspension components (control arms, ball joints, bushings), steering knuckles, wheel bearings, and alignment specifications. Rear Axle: Differential housing, drive shafts, U-joints, rear wheel bearings, and axle lubrication. Front Suspension: Independent front suspension design, shock absorbers, coil springs, sway bars, and mounting components. Rear Suspension: Semi-trailing arm rear suspension (W114/W115), shock absorbers, coil springs, bushings, and alignment. Road Wheels And Tires: Wheel specifications, tire pressure recommendations, and wheel alignment procedures. Brake System: Hydraulic disc brakes (front) and drum brakes (rear) or optional all-around discs, master cylinder, brake lines, calipers, wheel cylinders, and rotor/pad specifications. Parking Brake: Parking brake mechanism, cables, and adjustment procedures. Brake Control System: Brake booster (if equipped) operation and testing, proportioning valves. Power Steering: Hydraulic power steering system components (pump, steering box, hoses), fluid type, and troubleshooting. Steering System: Steering box, steering column, tie rods, and steering linkage components. Seat Belts: Installation, maintenance, and adjustment of seat belt systems. Srs: Not applicable for this generation; Supplemental Restraint Systems (airbags) were not standard or widely available. Body Lock Security: Door locks, ignition lock, trunk lock mechanisms, and key systems. Glasses Windows Mirrors: Window regulators, seals, door glass, windshield, rear window, and mirror installation and adjustment. Roof: Headliner, sunroof mechanisms (if equipped), and roof panel maintenance. Exterior Interior: Body trim, bumpers, interior panels, dashboard, seats, and carpeting. Instrument Panel: Gauges, warning lights, dashboard disassembly, and repair. Air Conditioning: Components of the A/C system (compressor, condenser, evaporator, blower), refrigerant types (R12 for this era), and system servicing. Wiring Diagrams: Comprehensive, high-quality electrical wiring diagrams for all vehicle systems, essential for diagnostics. Starting Charging: Starter motor, battery, alternator/generator operation, and testing. Lighting System: Headlights, taillights, turn signals, interior lighting, and bulb specifications. Driver Information: Instrument cluster functions, warning lamps, and trip computer (if equipped on later models). Wiper Washer Horn: Wiper motor, linkages, washer pump, and horn operation. Body Control System: Relays, fuses, and basic body electrical control modules (limited compared to modern vehicles). Lan System: Not applicable; Local Area Network systems were not present in vehicles of this era. Audio Visual Navigation Telephone: Radio installation and basic troubleshooting, early cassette players (optional). Auto Cruise Control: Operation and troubleshooting for optional cruise control systems. Power Supply Ground Circuit Elements: Battery management, grounding points, circuit protection (fuses, circuit breakers). Procedures Included Preventative Maintenance: Regular service checks, fluid changes, filter replacements, lubrication points. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, symptom-based fault finding. Repair Rebuild: Step-by-step instructions for component removal, overhaul, and reinstallation for all major vehicle systems. Refurbishment Restoration: Guidance on restoring original specifications, replacing worn components, and addressing age-related deterioration. Technical Depth Depth: Comprehensive; covers from basic adjustments to complete engine and transmission rebuilds, including detailed electrical schematics and torque values. 📊 Manual Specifications File Format File Type: PDF Print Quality Image Quality: High Quality Photos, Illustrations And Diagrams. Assumed to be clear and legible for printing. Binding Type Binding: Digital Download (Not physically bound) Paper Type Paper Type: Digital (printable on standard paper) ⚙️ Engine Specifications...