Coverage Areas:
All models and all repairs A-Z
Model Year Coverage:
Specifically targets the 1969 model year of the W114 and W115 chassis.
Page Count:
Not specified (implying comprehensive coverage)
Manual Type:
Factory Service and Repair Manual
Content Type:
Factory Service Manual / Repair Manual
Language Quality:
English language with precise technical terminology.
Format:
PDF (Printable, zoomable)
File Compatibility:
Compatible with Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac operating systems.
Download And Requirements:
Speed download, requires Adobe PDF Reader and Winzip (free downloads).
Systems Covered:
Engine, Control System, Mechanical, Fuel, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging, Automatic Transmission, Clutch, Manual Transmission, Transfer, Propeller Shaft, Drive Shaft, Differential, Axle, Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering, Air Conditioning, Supplemental Restraint System (if applicable to model year), Seat Belt, Engine Immobilizer (if applicable), Cruise Control, Wiper & Washer, Door Lock, Meter, Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat, Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication
Electrical System Detail:
Comprehensive wiring schematics for all vehicle circuits, including lighting, ignition, charging, instrumentation, accessories, and diagnostics for electrical faults.
Body And Chassis:
Repair procedures for doors, hoods, trunk lids, fenders, bumpers, body panels, glass replacement, and interior trim.
Instrumentation And Gauges:
Repair and calibration of speedometer, tachometer, fuel gauge, temperature gauge, oil pressure gauge, and warning lights.
Heating And Ventilation:
Repair and maintenance of the cabin heating system and ventilation controls.
Exhaust System:
Information on exhaust manifold, pipes, muffler, and catalytic converter (if applicable for the era) service and replacement.
Procedures Included:
Step-by-step instructions, maintenance, service, diagnosis, repair, troubleshooting, adjustments, rebuilding
Troubleshooting Procedures:
Detailed diagnostic flowcharts and symptom-based troubleshooting guides for various systems.
Air Conditioning Service:
Troubleshooting and repair of the factory air conditioning system, including refrigerant types (if applicable for the era), component replacement, and charging procedures.
Restoration And Reconditioning:
Procedures applicable to restoring or reconditioning various vehicle systems to factory specifications.
Engine Timing Adjustment:
Precise procedures for setting ignition timing and valve timing (if applicable).
Technical Depth:
Vehicle-specific, factory-level detail, identical to dealership technician manuals, complete A-Z repair coverage
Component Rebuilds:
Instructions for complete engine overhauls, transmission rebuilding, differential repair, and carburetor/fuel injection system rebuilding.
Diagnostic Tools And Techniques:
Covers use of basic diagnostic tools and specific techniques recommended by Mercedes-Benz for troubleshooting.
Part Number References:
Implies reference to genuine Mercedes-Benz part numbers for replacement components.
Torque Specifications:
Detailed torque specifications for critical engine, chassis, and suspension fasteners.
Primary Engine Variants Covered:
Includes engines for W114 (e.g., M114 2.3L inline-6, M115 2.5L inline-6) and W115 (e.g., M115 2.0L, 2.2L, 2.3L inline-4 petrol and diesel variants like OM615, OM616)
Engine Codes And Details:
Specifics on M115 four-cylinder petrol and diesel engines, and M114/M116 six-cylinder engines used in W114 models, including bore, stroke, compression ratios, valve timing, and torque sequences.
Performance Details:
Covers engine tuning, diagnostics, rebuilding, and specifications for horsepower, torque, and RPM for various engine options.
Ignition System Specifications:
Spark plug types, gap settings, ignition timing specifications, distributor maintenance, and coil testing.
Fuel System Coverage:
Detailed information on carburetor systems (e.g., Solex, Zenith) and fuel injection systems (e.g., Bosch D-Jetronic if applicable to specific 1969 models), fuel pumps, filters, and lines.
Diesel Engine Specifications:
Detailed coverage of OM615 and OM616 diesel engines, including injection pump timing, glow plug service, and diesel fuel system diagnostics.
Cooling System Components:
Service for radiator, water pump, thermostat, hoses, and fan clutch.
Standard Transmission Coverage:
Includes manual transmissions (e.g., 4-speed, 5-speed floor shift and column shift).
Optional Transmission Coverage:
Includes automatic transmissions (e.g., 3-speed automatic transmission).
Transmission Features:
Repair and overhaul procedures, fluid specifications, adjustment of linkage and bands.
Clutch Service:
Detailed procedures for clutch inspection, replacement, and adjustment for manual transmission vehicles.
Exterior Dimensions:
Specifications for W114/W115 body variants (sedan, coupe) including overall length, width, height, and wheelbase.
Wheel And Tire Specifications:
Standard wheel sizes, rim offsets, bolt patterns (e.g., 5x112), and recommended tire sizes for optimal performance and handling.
Weights:
Curb weight, Gross Vehicle Weight (GVW) for different configurations.
Axle And Suspension Specifications:
Details on front and rear axle alignment specifications, camber, caster, toe-in, and suspension component torque values.
Typical Service Intervals:
Covers recommended intervals for oil changes, filter replacements, lubrication, and tune-ups.
Brake Service Intervals:
Recommended checks for brake pad wear, fluid levels, and system integrity.
Fluid Specifications:
Engine oil (viscosity grade, capacity), coolant type and mixture, transmission fluid type, brake fluid type (DOT 3), power steering fluid type, differential oil type.
Cooling System Fluids:
Type of antifreeze/coolant required and recommended mixture ratios, coolant capacity.
Lubrication Specifications:
Details on chassis lubrication points, greases, and oil types for various components like universal joints and steering linkages.
Common Issues Addressed:
Diagnostic procedures and repair solutions for common wear items and potential problems specific to the W114/W115 models.
Fuel System Maintenance:
Procedures for fuel filter replacement, fuel line inspection, and carburetor cleaning/adjustment.
Suspension And Steering Maintenance:
Guidance on servicing ball joints, tie rod ends, bushings, and power steering pump, including bleeding procedures.
