This manual covers the 1983 Mercedes-Benz W123 E-Class, a series renowned for its robust engineering, exceptional build quality, and enduring reliability. The W123 was positioned as a luxurious and durable executive vehicle, competing with other premium European sedans and coupes of its era. Known for its comfortable ride, sophisticated design, and particularly its dependable diesel engines, the W123 series, including the Sedan (W123.033), Coupe (W123.053), and Estate/Kombi (S123.023) body styles, has earned a lasting reputation for longevity and value retention. This manual encompasses all relevant engine options available for the 1983 model year, reflecting the marque's commitment to excellence.

This comprehensive Factory Authorized Service and Repair Manual provides detailed information essential for the maintenance, diagnosis, and repair of your 1983 Mercedes-Benz W123 E-Class. It covers a wide range of critical systems, including engine mechanicals, fuel and ignition systems, transmissions, drivetrain, brakes, steering, electrical systems, body, and climate control. Within its approximately 1000+ pages, you will find step-by-step repair procedures, systematic troubleshooting guides, adjustment instructions, and detailed technical specifications, including torque values and fluid requirements. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their W123 vehicle.