The Mercedes-Benz W126, produced from 1981 to 1991, represents the pinnacle of luxury and engineering for its time, establishing a benchmark for full-size luxury sedans and coupes. This flagship model, available in numerous variants including the 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 380SEC, 420SEL, 500SEL, 500SEC, 560SEL, and 560SEC, was renowned for its exceptional build quality, elegant styling, and advanced safety features such as ABS and optional airbags. The W126 offered a sophisticated driving experience, powered by a range of robust gasoline and diesel engines, and was designed to provide unparalleled comfort and reliability for discerning owners.

This comprehensive workshop service repair manual provides detailed coverage for all aspects of the Mercedes-Benz W126. It includes in-depth information on engine systems, electrical circuits, climate control, and body/chassis components, alongside essential maintenance procedures, diagnostic guidance, and repair instructions. The manual is structured to assist owners, mechanics, and technicians in understanding, maintaining, and repairing their W126, ensuring optimal performance and longevity. With its extensive detail, this resource is an indispensable tool for anyone involved with the care of these classic luxury vehicles.