This comprehensive service and repair manual for the Mercedes-Benz Model 126 covers all models produced from 1981 to 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. It provides detailed instructions and illustrations for every aspect of your vehicle's maintenance and repair, from engine overhaul and rebuilding to brake servicing, sunroof repair, and timing belt replacement. You'll find detailed wiring diagrams, troubleshooting guides, computer diagnostic trouble tree charts, and complete torque specifications. The manual also includes factory maintenance schedules, serpentine belt routings, and information on driving concerns, U-joint and CV-joint service procedures, and vacuum diagrams. This comprehensive resource is the same manual used by Mercedes-Benz technicians at dealerships, giving you the most accurate and detailed information to perform repairs on your vehicle with confidence.

The Mercedes-Benz Model 126, produced from 1979 to 1991, represents a pivotal chapter in the marque's history, solidifying its reputation for luxury, engineering excellence, and enduring quality. This generation of the S-Class sedan, known internally as the W126, was a departure from its predecessors, featuring a more aerodynamic design with sharp lines and a distinctive grille reminiscent of the iconic 300SL Gullwing. The Model 126's appeal extended beyond its sleek aesthetics, encompassing a meticulously crafted interior with opulent materials, advanced technology for its time, and an array of powerful engine options, including fuel-efficient diesel variants. Beyond its luxurious appointments, the Model 126 was a testament to Mercedes-Benz's engineering prowess. Its robust construction, employing extensive use of galvanized steel, ensured longevity and resistance to corrosion. The advanced multi-link suspension system provided exceptional handling and ride comfort, while the available anti-lock braking system (ABS) and electronic traction control system represented pioneering safety features. The Model 126's legacy extends beyond its technical innovations and luxurious amenities. Its timeless design and enduring quality have earned it a place among the most sought-after classic Mercedes-Benz models, a testament to its enduring appeal and the enduring spirit of the brand.