The Mercedes Benz W126 1979-1992 Workshop Repair Service Manual is a comprehensive resource designed specifically for mechanical technicians and car owners looking to perform repairs and maintenance on their W126 models. This manual covers a wide range of topics, providing detailed instructions and specifications for everything from routine maintenance procedures to complex engine and transmission overhauls. The manual aims to empower you with the knowledge and expertise needed to keep your W126 in top condition. You'll find detailed information on tune-ups, including adjusting ignition timing and carburetor settings. It guides you through essential maintenance tasks like fluid changes, filter replacements, and brake adjustments. The manual provides step-by-step instructions for removal and installation procedures of various components, ensuring you can tackle a wide range of repairs with confidence. It covers everything from replacing spark plugs and filters to rebuilding the engine and transmission. Additionally, the manual delves into the intricacies of the W126's various systems. It covers the fuel system, including fuel injection, carburetors, and fuel lines. Detailed instructions for the ignition system, including distributor, spark plugs, and ignition coils, are included. You'll also find comprehensive information on the lubrication system, examining oil pumps, filters, and lubrication practices. The manual covers the exhaust system, including manifolds, catalytic converters, and mufflers. Furthermore, the manual dives into the complex electrical system, explaining wiring diagrams, electrical components, and troubleshooting. And for those interested in cosmetic repairs, the manual includes sections on the body, addressing door panels, trim, and upholstery. This manual is your ultimate guide to understanding and servicing the Mercedes Benz W126, ensuring you can maintain a high level of performance and reliability for years to come.

The Mercedes-Benz W126, produced from 1979 to 1992, represents a pivotal moment in the history of the German automaker. This executive sedan, offered in various body styles including the iconic coupe, became synonymous with luxury, engineering excellence, and enduring quality. It succeeded the W116, marking a substantial leap forward in both comfort and technology. The W126 introduced the modern Mercedes-Benz design language with a boxy yet elegant shape, featuring clean lines and a distinctive grille design. Inside, it offered a luxurious and spacious cabin with premium materials, advanced safety features like an anti-lock braking system (ABS), and innovative technology that included an optional digital instrument cluster. The W126 was available with a range of powerful petrol and diesel engines, including the iconic 5.0-litre V8 and the potent 5.6-litre V8, all paired with a robust and smooth automatic transmission. Beyond its lavish appointments, the W126 cemented its reputation for reliability and longevity. It was meticulously engineered, with a robust chassis, durable components, and meticulous attention to detail. The car's impressive build quality and engineering prowess contributed to its enduring popularity, and many W126 models remain on the road today, often cherished by enthusiasts for their timeless style and impressive performance. This enduring legacy makes the W126 a true classic, representing the epitome of German engineering and luxury during its time. The Workshop Repair Service Manual for the W126 is a vital resource for mechanics and enthusiasts alike, providing comprehensive technical information and detailed instructions for maintaining, repairing, and restoring these iconic vehicles.