This manual covers the Mercedes-Benz W114 and W115 series, produced between 1968 and 1973. These vehicles, often designated with model numbers like 220, represented Mercedes-Benz's commitment to luxury, engineering, and reliability in the mid-size segment. The W114 offered a more premium experience, typically featuring inline-six engines and a refined coupe or sedan body, while the W115 provided a well-engineered, often four-cylinder, sedan alternative. Both chassis were built upon a modern monocoque construction, emphasizing safety, comfort, and a superior driving experience that distinguished them from competitors of the era. This comprehensive workshop service repair manual provides in-depth information for owners, mechanics, and technicians. It details maintenance procedures, diagnostic troubleshooting, and repair instructions for all major vehicle systems, including the engine, transmission, braking, suspension, steering, and electrical systems. With factory-level accuracy for specifications, torque values, and clearances, this manual is an essential resource for maintaining the longevity and performance of your Mercedes-Benz W114 or W115. The digital format, accessible via an HTML/Flash menu with files, allows for easy navigation and printing of relevant sections.