The Mercedes-Benz 300 CD, chassis code W123 Coupe (C123), represents a significant era in automotive engineering, produced from 1976 to 1985. This model embodies Mercedes-Benz's renowned commitment to quality, reliability, and advanced design for its time. Featuring a powerful yet efficient OM617.952 3.0L turbocharged inline 5-cylinder diesel engine paired with a 4-speed automatic transmission, the 300 CD offered a refined driving experience with exceptional durability. Its robust construction, advanced safety features for the period, and classic coupe styling cemented its status as a premium automobile.

This comprehensive Factory Service Workshop Manual in English provides in-depth factory-level repair and maintenance information for the Mercedes-Benz 300 CD. It covers all essential systems, including the engine, fuel, cooling, exhaust, drivetrain, suspension, steering, brakes, electrical systems, body, and climate control. The manual details routine maintenance procedures, troubleshooting guidance, repair instructions, and technical specifications, ensuring owners and technicians have the necessary knowledge to maintain and restore the vehicle to its optimal condition.