This comprehensive Mercedes Benz W116 300 SD Service Repair Workshop Manual covers all aspects of maintaining and repairing your 1978-1980 300 SD model. It provides detailed instructions, diagrams, and specifications for every system within your vehicle, allowing you to perform repairs confidently and effectively. Dive deep into the intricacies of your 300 SD with sections dedicated to the engine, both mechanically and electrically. Explore the intricacies of the emission control system, fuel system, and transmission, whether manual or automatic. The manual also covers crucial areas like the clutch, driveshaft, suspension, steering, restraint systems, brakes, and bodywork, both inside and out. Understand the inner workings of the electrical system and climate control components, ensuring you can tackle any challenge. Written by Mercedes Benz engineers, this manual is your trusted guide, offering the same level of detail and expertise as an authorized dealer service department. Whether you are a seasoned mechanic or a DIY enthusiast, this manual empowers you with the knowledge and confidence to keep your Mercedes Benz W116 300 SD running smoothly.

The Mercedes-Benz W116 300 SD, produced from 1978 to 1980, was a groundbreaking model that ushered in a new era of diesel luxury for the German automaker. This elegant saloon, part of the W116 S-Class series, was a pioneering achievement in the world of diesel-powered automobiles. It was the first diesel-powered Mercedes-Benz to feature a five-cylinder engine, a departure from the traditional six-cylinder diesel units found in their previous models. This 3.0-liter engine, with its robust build and fuel-efficient nature, provided a unique blend of performance and economy, appealing to those seeking a comfortable and practical luxury car. The 300 SD was lauded for its smooth and quiet operation, a testament to Mercedes-Benz's commitment to engineering excellence. Despite its diesel heart, the 300 SD offered a surprisingly refined driving experience, thanks to its plush interior and sophisticated suspension system. This car was a landmark in the transition of diesel technology from purely utilitarian to a sophisticated and desirable powertrain option. The 1978-1980 300 SD was a true ambassador for diesel technology, capturing the attention of discerning drivers worldwide. Its stylish and elegant design, combined with its impressive fuel efficiency and luxurious amenities, made it a compelling choice for those who valued both practicality and refinement. The 300 SD was a testament to Mercedes-Benz's engineering prowess and their ability to adapt and innovate, proving that diesel power could offer both performance and luxury. While the model may seem dated by today's standards, it played a significant role in shaping the automotive landscape. It paved the way for a new generation of sophisticated diesel engines that would later become commonplace in luxury automobiles. The 1978-1980 300 SD remains a noteworthy model in Mercedes-Benz’s history, a symbol of the brand's dedication to quality and its vision for a future where diesel engines could be both powerful and refined.