The Mercedes-Benz W114 and W115 series, produced from 1968 to 1976, represent a significant era for the marque, offering a refined and durable mid-size luxury experience. These vehicles, available as sedans and coupes, were known for their robust engineering, comfortable ride, and classic styling, building upon Mercedes-Benz's reputation for quality and reliability. Covering a range of models including the 220, 220D, 230, 240D, 250, 250C, 280, 280C, and 300D, these cars were designed for broad appeal and have since become cherished by enthusiasts for their enduring build quality and timeless design.
This comprehensive service and repair manual provides in-depth guidance for the Mercedes-Benz W114/W115 models produced between 1968 and 1976. With over 5000 pages of detailed information, it covers everything from routine factory maintenance schedules and fluid specifications to complex engine overhaul, transmission servicing, brake system repairs, and electrical system diagnostics, including wiring diagrams and troubleshooting charts. The manual is designed for both do-it-yourself enthusiasts and professional mechanics, offering factory-level repair and maintenance information to ensure the longevity and optimal performance of these classic vehicles.
Production Years:
1968-1976
Chassis Codes:
W114, W115
Target Audience:
Do-it-yourself enthusiasts and experienced mechanics
Value Proposition:
Provides comprehensive, factory-level repair and maintenance information for a specific classic Mercedes-Benz platform, offering cost savings over professional servicing.
Content Highlight:
Detailed illustrations, exploded diagrams, wiring schematics, and specifications for all models and engines within the W114/W115 range.
Delivery:
Instant Download
Models Covered:
220, 220D, 230, 240D, 250, 250C, 280, 280C, 300D
Year Coverage:
1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976
Type:
Official Service and Repair Manual
Engine:
Overhaul and Rebuilding, Performance, Firing Orders, Vacuum Diagrams, Serpentine Belt Routings
Brakes:
Servicing Procedures, Complete Torque Specifications
Suspension:
Front End Alignment Procedures and Specifications, Suspension Servicing
Transmission:
Removal and Installation, In-Car Servicing
Electrical:
Wiring Diagrams, Computer Diagnostic Trouble Tree Charts, Computer Diagnostic Codes
Bodywork:
Sunroof Servicing
Cooling Ac:
Air Conditioning Service and Capacities
Maintenance:
Factory Maintenance Schedules and Charts, Driving Concerns
Diagnostics:
Trouble Codes, Troubleshooting and Diagnostics, Computer Diagnostic Trouble Tree Charts
Repair:
Engine Overhaul and Rebuilding, Transmission Removal and Installation, Brake Servicing, U-Joint and CV-Joint Service Procedures
Timing Belt:
Timing Belt Replacement, Timing Belt Service Procedures
Depth:
Comprehensive: Covers complete disassembly, detailed illustrations, exploded diagrams, wiring schematics, and step-by-step instructions for repair, maintenance, rebuilding, refurbishing, and restoration.
Requirements:
Adobe PDF Reader, WinZip
Printability:
Fully Printable
Searchability:
Searchable and Bookmarked
Binding:
Digital (Downloadable)
Paper Type:
N/A (Digital)
Operating Systems:
All Versions of Windows & Mac
Engine Types:
Inline-4, Inline-6 (Petrol & Diesel)
Horsepower Torque:
Varies by model and engine (e.g., M115 2.2L OHC I4, M130 2.8L OHC I6, OM615 2.2L OHC Diesel I4, OM616 2.4L OHC Diesel I4, OM617 3.0L OHC Diesel I5)
Fuel Delivery:
Carbureted (Solex, Zenith) or Bosch Fuel Injection depending on model and year.
Type:
4-speed Manual (standard on many models)
Type:
Optional 3-speed or 4-speed Automatic (e.g., 'Hydrak' on earlier models, later Torque Converter Automatics)
Transmission Servicing:
In-car servicing procedures available.
Body Styles:
4-door Sedan (W114/W115), 2-door Coupe (C114)
Curb Weight:
Approximately 3000-3500 lbs (1360-1590 kg), varies by model and configuration.
Safety Features:
The manual covers the repair and maintenance of safety systems, including brakes. Original safety ratings are not directly provided in the product description but would be based on era-specific standards.
Braking System:
Disc brakes front, drum brakes rear (standard). Some models may have front-wheel disc brakes with power assist.
Construction:
Unitized body construction.
Audio Systems:
Basic AM/FM radio or optional cassette players were typical for the era. Manual covers electrical systems supporting these.
Driver Aids:
Limited driver assistance features typical for the era; focus is on mechanical and electrical systems.
Connectivity Features:
N/A for modern connectivity standards.
Routine Maintenance:
The manual provides factory maintenance schedules, covering oil changes, filter replacements, and general inspections at specified intervals (e.g., 3,000-5,000 miles or 6-12 months).
Engine Oil:
Manual will specify viscosity grades (e.g., SAE 10W-40, 20W-50) and API service classifications appropriate for the era and engine types.
Coolant:
Manual will detail coolant type and mixture ratios.
Transmission Fluid:
Manual will specify ATF type for automatic transmissions and gear oil for manual transmissions.
Common Problems:
While not explicitly listed as 'known issues', the manual's comprehensive coverage implies it addresses common wear and tear items such as rubber components, fuel system maintenance (especially for carbureted engines), and potential cooling system issues.
Mercedes Benz Legacy:
Mercedes-Benz's reputation for engineering excellence and durability in the mid-size luxury segment.
W114 W115 Development:
Successors to the W110 'Fintail' series, these were Mercedes-Benz's first true 'compact executive' cars, designed for wider global appeal and more modern styling.
Manufacturing Plants:
Primarily Germany, with some assembly in other international locations.
Model Recognition:
The W114/W115 series was highly acclaimed for its build quality, ride comfort, and engineering, often considered a benchmark in its class during its production run. Specific awards are not detailed in the product description.
