This manual covers the 1981 Mercedes-Benz W123 E-Class, a vehicle renowned for its exceptional build quality, durability, and comfortable ride, continuing Mercedes-Benz's legacy of engineering excellence. Positioned as a premium mid-size executive car, the W123 competed effectively with contemporary luxury vehicles, distinguished by its robust construction and long-term value. This generation offered various body styles, including the sedan, coupe, and estate, and was equipped with a range of reliable gasoline and diesel engines, such as the M102, M110, OM615, OM616, and the robust OM617 diesel, including turbocharged variants. Its legendary reputation for longevity and solid engineering makes it a significant model in automotive history.

This comprehensive Factory Service and Repair Manual provides dealership-level accuracy for all A-Z repairs and maintenance procedures for the 1981 Mercedes-Benz W123 E-Class. It details everything from routine servicing, fluid specifications, and replacement intervals to in-depth component removal, installation, overhaul, and troubleshooting for all major systems. Covered areas include the engine (gasoline and diesel variants), fuel, ignition, cooling, lubrication, transmission (manual and automatic), driveline, suspension, steering, braking, and the complete electrical system. The manual also addresses known issues and includes detailed diagrams, specifications, and torque values, serving as an essential resource for owners and technicians to maintain and repair this classic vehicle.