This workshop service and repair manual provides comprehensive information for vehicles produced between 1981 and 1993, covering chassis codes W107, W123, W124, W126, W129, W140, and W201. These models represent a significant era of development, from the robust W123 and luxurious W126 to the iconic W107/W129 SL roadsters and the flagship W140 S-Class. This manual serves as an essential resource for owners and mechanics, offering detailed guidance on maintaining and repairing a wide range of gasoline and diesel engines, as well as automatic and manual transmissions typical of this period. The scope of this English-language, high-resolution manual is extensive, detailing everything from scheduled maintenance, fluid changes, and filter replacements to complete engine and transmission rebuilds. It includes in-depth coverage of critical systems such as the engine mechanicals, fuel and lubrication systems, cooling, brakes, steering, suspension, and electrical systems. Furthermore, it provides step-by-step repair procedures, troubleshooting guides for common issues, and essential technical specifications like torque values and fluid capacities. This 330+ page resource is designed to empower both DIY enthusiasts and professional technicians with the knowledge needed to ensure the optimal performance and longevity of these classic vehicles.