🏷️ Basic Information Identification Make: Mercedes-Benz Model: W114 / W115 Year: 1972 Codes Chassis Code W114: W114 Chassis Code W115: W115 👋 Introduction Market Position Positioning: Essential resource for owners and independent mechanics seeking authentic, detailed repair information for classic Mercedes-Benz vehicles. Competitive Analysis Advantage: Offers vehicle-specific, factory-level detail, unlike generic repair guides, ensuring accuracy and efficiency in maintenance and repair. Key Features Key Features List: Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications, comprehensive A-Z coverage, digital format for ease of use and portability. Ease Of Use: Combines all necessary information into a single, easily navigable PDF, eliminating the need to consult multiple physical volumes. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Model Coverage: All W114 and W115 models for 1972 Page Count Estimated Page Count: Not specified, but described as comprehensive 'everything you will ever need' Manual Type Type: Factory-level Service and Repair Manual Additional Manual Types Covered: Implied coverage for diagnostic, maintenance, and repair procedures. Could also be considered a workshop manual. Language Language: English Format Format: Digital (PDF) Digital Benefit: Easy to search, bookmark, and print specific sections; avoids wear and tear of physical manuals. 📖 Manual Coverage Systems Covered Engine: Detailed coverage including maintenance, repair, diagnosis, and specifications. Fuel System: Service and repair of fuel injection (Bosch) and carbureted systems (where applicable), fuel pump, lines, and tank. Cooling System: Radiator, fan, water pump, thermostat, coolant specifications, and leak detection. Lubrication System: Oil pump, filter, oil specifications, capacity, and lubrication points. Ignition System: Distributor, coil, spark plugs, timing, and troubleshooting. Charging System: Alternator, voltage regulator, battery, and charging circuit diagnostics. Transmission Automatic: Service, repair, adjustments, and fluid specifications for the automatic transmission. Transmission Manual: Service, repair, and adjustments for the manual transmission. Drivetrain: Propeller shaft, universal joints, differential, axles, and wheel bearings. Suspension Front: Independent front suspension, control arms, ball joints, springs, shock absorbers, and alignment. Suspension Rear: Semi-trailing arm rear suspension, shock absorbers, springs, and bush replacement. Steering: Steering box, linkages, power steering system (if equipped), column, and wheel. Brakes Hydraulic: Master cylinder, brake lines, calipers/wheel cylinders, pads/shoes, fluid specifications, and bleeding procedures. Brakes Parking: Parking brake mechanism, cables, and adjustments. Wheels Tires: Tire sizes, inflation pressures, wheel specifications, and hub maintenance. Electrical System: Comprehensive coverage of wiring, lights, switches, gauges, and auxiliary components. Lighting System: Headlights, taillights, interior lights, and bulb specifications. Instrument Panel: Gauges, warning lights, and instrument cluster removal/repair. Body Exterior: Door mechanisms, window regulators, hood and trunk latches, exterior trim, and glass replacement. Body Interior: Seat adjustment and removal, upholstery, door panels, and dashboard components. HVAC: Air conditioning system (if equipped) service, refrigerant, and blower motor. Wiper Washer: Wiper motor, linkage, blades, and washer system operation. Cruise Control: Service and diagnosis of the cruise control system. Emission Control: Details on emission control systems relevant to 1972 models. Control System: Engine control systems (ignition timing, fuel delivery), transmission control, and chassis systems. Mechanical: Comprehensive mechanical system coverage across engine, transmission, drivetrain, suspension, and brakes. Intake Exhaust Cooling: Detailed procedures for intake manifold, exhaust system, and cooling system components. Supplemental Restraint System: N/A (No SRS systems in this era) Seat Belt: Installation, adjustment, and maintenance of seat belts. Engine Immobilizer: N/A (No engine immobilizer systems in this era) Meter Audio Visual: Instrument cluster, gauges, and any factory-installed audio systems. Horn: Horn circuit diagnosis and repair. Windshield Glass Mirror: Windshield, side glass, rear glass, and mirror replacement and adjustment. Engine Hood Door: Hood and door latch mechanisms, hinges, and alignment. Multiplex Can Communication: N/A (These communication protocols were not in use during this era). Procedures Included Maintenance Procedures: Regular maintenance tasks, fluid changes, lubrication, filter replacements. Diagnosis Troubleshooting: Systematic troubleshooting guides for common problems and diagnostic procedures. Repair Rebuild: Step-by-step instructions for component removal, repair, and reassembly. Installation: Instructions for installing new or reconditioned parts. Adjustments: Specific procedures for adjusting various systems, e.g., carburetor, ignition timing, brakes. Wiring Schematics: Complete and detailed wiring schematics for all electrical systems, crucial for diagnosis and repair. Technical Depth Depth: Factory-level, covering routine maintenance to complete engine and transmission overhauls, including detailed diagnostics and electrical schematics. 📊 Manual Specifications File Format Compatibility: Windows Vista 32/64, XP, ME, 98, NT, 2000, and Mac OS. Requirements: Adobe PDF Reader and Winzip (free online). Print Quality Printability: All pages are printable, with the ability to enlarge images. Binding Type Binding Description: Digital format (PDF) eliminates physical binding issues; print-on-demand for specific pages. Paper Type Paper Type Description: N/A (Digital format); printed pages can be on any desired paper type. ⚙️ Engine Specifications Primary Engine W115 Engine Family W115: M115 (Inline 4-cylinder petrol) and OM615 (Inline 4-cylinder diesel) Primary Engine W114 Engine Family W114: M114 (Inline 6-cylinder petrol) and OM617 (Inline 5-cylinder diesel, often found in later W115 models but may apply to some W114 variants) Performance Petrol W114 230...