This comprehensive Mercedes-Benz W126 Service & Repair Manual covers all models produced between 1981 and 1991, including the 300 SD, 300 SDL, 300 SE, 300 SEL, 350 SD, 350 SDL, 380 SE, 380 SEL, 380 SEC, 420 SEL, 500 SEL, 500 SEC, 560 SEL, and 560 SEC. This manual provides detailed instructions and guidance for a wide range of repair and maintenance procedures, enabling you to confidently tackle any project, whether you are a seasoned mechanic or a dedicated do-it-yourselfer. The manual covers everything from engine overhauls and rebuilding to brake system maintenance, sunroof repair, timing belt replacement, troubleshooting and diagnostics, and computer diagnostic trouble tree charts. It also includes wiring diagrams, detailed specifications for every covered model, factory maintenance schedules and charts, serpentine belt routings with diagrams, timing belt service procedures, brake servicing procedures, driving concerns, complete torque specifications, U-joint and CV-joint service procedures, complete wiring diagrams, and hundreds of illustrations and vacuum diagrams. With this manual, you will have access to all the information you need to keep your Mercedes-Benz W126 running smoothly.

The Mercedes-Benz W126, famously known as the "S-Class," is a luxurious and iconic sedan that marked a significant milestone in the automotive world. This model, produced from 1979 to 1991, showcased Mercedes-Benz's commitment to engineering excellence, innovative technology, and opulent comfort. It offered a range of engine options, encompassing powerful V8s and a potent V12. These robust powerplants were meticulously mated to a choice of manual and automatic transmissions, delivering an exhilarating driving experience. The W126 established itself as a benchmark for safety, boasting a rigid, robust, and innovative chassis, complemented by advanced braking technology and a sophisticated suspension system, prioritizing both occupant protection and driving dynamics. The W126's allure transcended its technological prowess, with its elegant styling and meticulous craftsmanship captivating discerning drivers worldwide. Its timeless design, characterized by sharp lines, a distinctive grille, and an imposing presence, continues to be appreciated today. The interior provided lavish comfort, featuring high-quality materials, meticulously crafted seats, and an array of advanced features, setting the standard for luxury vehicles of the era. The W126's influence on the automotive landscape remains undeniable. It solidified Mercedes-Benz's reputation as a leader in the luxury car segment, setting the stage for future S-Class generations and influencing the design and engineering of countless other vehicles. The W126's enduring legacy lies in its enduring combination of power, luxury, safety, and elegance, making it a timeless classic that continues to fascinate automotive enthusiasts.