This manual covers the Mercedes-Benz 180d, 180Db, and 180Dc models, primarily from the 1950s and 1960s, built on the W120 and W121 chassis. These vehicles, powered by the robust OM636 diesel engine, were renowned for their exceptional durability, fuel efficiency, and the solid engineering characteristic of Mercedes-Benz. They represented a significant offering in the compact luxury segment, competing with other premium European manufacturers and establishing the brand's reputation for longevity and quality craftsmanship. The elegant styling and comfortable ride further contributed to their appeal, making them enduring classics.

This comprehensive workshop repair service manual provides detailed information essential for the maintenance, repair, and troubleshooting of these Mercedes-Benz vehicles. It covers a wide range of systems, including the OM636 diesel engine, manual transmissions, drivetrain, suspension, brakes, steering, and electrical systems. Within its pages, you will find routine maintenance schedules, step-by-step repair procedures, diagnostic guidance for common issues, and technical specifications. This manual is an invaluable resource for owners, mechanics, and technicians aiming to preserve the performance and integrity of these historic automobiles.