This comprehensive workshop service manual is specifically designed for the Mercedes Benz W116 300 SD, covering model years 1978, 1979, and 1980. It provides an in-depth guide to repair and overhaul, catering to both seasoned mechanics and those familiar with general automotive practices. The manual delves into the intricate workings of the 300 SD, emphasizing special aspects of this model and ensuring you can deliver quality service. Included in this manual are detailed instructions on components manufactured for the Mercedes Benz W116 300 SD. It also incorporates information from respective component manufacturers, enabling technicians to gain a thorough understanding of each part's function and its impact on the overall vehicle performance. The manual prioritizes accuracy and clarity, presenting the most reliable information available. Its goal is to empower owners to maintain and repair their 300 SD effectively, offering valuable insights and detailed procedures on various aspects of the vehicle. This comprehensive guide covers a wide spectrum of information, encompassing: * **Tune ups** for the Mercedes Benz W116 300 SD * **Maintenance** procedures for the vehicle * **Removal and installation instructions** for various components * **Assembly and disassembly** processes * **Fuel system** details * **Ignition system** workings * **Lubrication system** information * **Exhaust system** specifications * **Electrical system** details * **Body** components and procedures * **Extensive repair procedures**, including engine and transmission disassembly Whether you are performing routine maintenance or tackling complex repairs, this service manual equips you with the knowledge to handle any task confidently.

The Mercedes-Benz W116 300 SD, produced from 1978 to 1980, was a groundbreaking model that marked a significant shift in the automotive landscape. This luxurious sedan was the first diesel-powered Mercedes-Benz to be sold in the United States, and it quickly gained a reputation for its fuel efficiency, durability, and refinement. Powered by a 3.0-liter inline-five-cylinder diesel engine, the 300 SD produced a modest 88 horsepower but boasted impressive torque, making it surprisingly peppy for a diesel car. The engine was paired with a 4-speed automatic transmission, ensuring smooth and effortless acceleration. Beyond its mechanical prowess, the 300 SD offered a level of luxury and comfort that was unmatched at the time. Features like sumptuous leather upholstery, wood trim, power windows and locks, and a sophisticated climate control system made long drives a pleasure. The 300 SD's spacious cabin and comfortable ride further cemented its position as a premium touring car. The W116 300 SD was a remarkable achievement for Mercedes-Benz, demonstrating their commitment to innovation and engineering excellence. While the model was ultimately discontinued in 1980, it left a lasting legacy. The 300 SD paved the way for future diesel-powered luxury vehicles and helped to change public perception of diesel engines. Its reputation for reliability and long-lasting durability has continued to solidify the 300 SD's place as a sought-after classic car. Today, enthusiasts appreciate the 300 SD not only for its historical significance but also for its timeless design, comfortable ride, and characteristic diesel rumble. The 300 SD remains a testament to Mercedes-Benz's dedication to building high-quality and enduring vehicles that stand the test of time.