This manual covers the Mercedes-Benz 180 Series, including the W120/W121 'Ponton' and early W110/W111 'Fintail' sedan models produced from 1953 to 1968. These vehicles, equipped with M121 gasoline engines (1.8L/1.9L) or OM621 diesel engines (1.9L/2.0L), represented Mercedes-Benz's commitment to engineering excellence, offering a blend of comfort, durability, and sophisticated design for their time. Known for their unibody construction, advanced suspension, and robust build quality, these cars were designed to compete in the executive compact segment, embodying the brand's legacy of producing reliable and high-quality automobiles.

This comprehensive factory service repair workshop manual provides essential technical data, maintenance procedures, and diagnostic information for owners, mechanics, and technicians. It details everything from routine servicing, such as oil changes and filter replacements, to major repairs including engine and transmission overhauls. The manual covers all major systems, including the engine, transmission, brakes, suspension, steering, and electrical systems, offering step-by-step instructions, troubleshooting guides, and specific torque specifications. Its detailed coverage ensures the proper maintenance and restoration of these classic Mercedes-Benz vehicles, preserving their performance and longevity.