This comprehensive Mercedes Benz W116 300 SD 1978-1980 Workshop Repair Service Manual is a complete informational resource designed to provide you with the same detailed technical information used by professional technicians. This manual covers all models, engines, trims, and transmissions for the Mercedes Benz W116 300 SD produced between 1978 and 1980. It includes hundreds of pages of diagrams and detailed information for specific vehicle repair and maintenance, ensuring you have access to the most accurate and complete information available. The manual offers clear and detailed instructions with pictures and easy-to-follow directions on the tools needed and repair procedures. It contains detailed substeps expanding upon repair procedures, notes, cautions, and warnings throughout each chapter to highlight critical information. Numbered instructions guide you through every repair procedure step-by-step, with bold figure numbers helping you quickly match illustrations with instructions. Detailed illustrations, drawings, and photos guide you through every procedure, with enlarged insets to help you identify and examine parts in detail. A numbered table of contents makes it easy to find the specific information you need quickly. The manual also makes it easy to diagnose and repair problems with your vehicle's electrical system. Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use. This manual is your complete resource for servicing and repairing your Mercedes Benz W116 300 SD, saving you money on repair costs and giving you the knowledge to properly care for your vehicle. This comprehensive manual covers a wide range of topics, including: * General Maintenance * Troubleshooting * Engine Service and Repair * Transmission Service and Repair * Brake System * Wiring Diagram * Electrical System * Suspension * Periodic Lubrication * Steering * Cooling System * Fuel Injection and Fuel System * Emission System * Heater and Air Conditioning * Engine Control System * Chassis and Body * Restraint System * Interior * Differential and Drive * Axle This manual is the ultimate resource for anyone who wants to keep their Mercedes Benz W116 300 SD in top condition. It provides you with the information you need to perform routine maintenance, as well as troubleshoot and repair more complex problems.

The Mercedes-Benz W116 300 SD, produced from 1978 to 1980, stands as a testament to the German automaker's commitment to engineering excellence and luxury. This iconic sedan, part of the W116 model series, was the first diesel-powered Mercedes-Benz to be offered in the United States. It boasted a powerful and fuel-efficient 3.0-liter five-cylinder OM617 engine, capable of delivering substantial torque and impressive fuel economy. The 300 SD was renowned for its robust construction, comfortable ride, and refined interior. Its signature features included a plush leather interior, wood trim, and a sophisticated suspension system that ensured a smooth and controlled ride. Despite its diesel engine, the 300 SD provided a surprisingly quiet and refined driving experience. The combination of power, fuel efficiency, and luxury made the 300 SD a highly sought-after vehicle during its production run. Beyond its mechanical prowess, the W116 300 SD held significant historical importance. It marked a pivotal moment in Mercedes-Benz's history, showcasing the automaker's pioneering spirit in developing diesel engines that were both powerful and fuel-efficient. The 300 SD's success not only captivated American consumers but also helped to popularize diesel-powered vehicles globally. The W116 chassis, on which the 300 SD was based, also served as a foundation for other notable models like the 280S, 280SE, 300SE, and 450SE. This model series, distinguished by its sleek and elegant design, became synonymous with German automotive engineering and craftsmanship. To this day, the W116 300 SD remains a cherished classic, valued for its timeless design, enduring quality, and significant historical significance.