This comprehensive Mercedes-benz W123 280E workshop repair service manual provides you with the information you need to service, maintain, and troubleshoot your vehicle. Covering all models, engines, trim levels, and transmission types from 1976 to 1985, this manual is a complete and intact resource, identical to the one used by professional mechanics.

It features hundreds of pages of diagrams and detailed information for specific vehicle repairs. Written by the manufacturer, it is the most accurate and complete resource available.

This manual includes pictures and easy-to-follow directions, explaining what tools are needed and how to perform each repair. It 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 will save you money on repair costs and help you keep your Mercedes-benz W123 280E in top condition. You can easily find the information you need quickly with the numbered table of contents. Detailed illustrations, drawings, and photos guide you through each procedure. Enlarged insets help you identify and examine parts in detail while notes, cautions, and warnings pinpoint critical information throughout each chapter.

This manual 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.

The Mercedes-Benz W123 280E, produced from 1976 to 1985, is a testament to German engineering excellence and a symbol of timeless elegance. This mid-size sedan, part of the W123 model series, was renowned for its robust construction, meticulous craftsmanship, and impressive durability. The 280E designation refers to its powerful 2.8-liter inline-six engine, which offered a balance of performance and fuel efficiency, crucial during the era of rising fuel prices. Its distinctive design, featuring a boxy yet refined body style with a prominent grille and sloping roofline, stood out as a departure from the more rounded shapes prevalent during the period. Inside, the W123 280E provided a luxurious and comfortable interior, with high-quality materials and a spacious cabin. The car was available in various body styles, including sedan, coupe, wagon, and even a rare cabriolet version.

Beyond its aesthetics and comfort, the W123 280E was admired for its reliability and longevity. The car's underpinnings were meticulously engineered, with a sturdy chassis, independent suspension, and robust drivetrain components. This solid construction, paired with Mercedes-Benz's meticulous manufacturing standards, ensured the car's longevity and ability to withstand the test of time. The W123 280E was also regarded for its safety features, including a strong body structure, crumple zones, and a comprehensive braking system. Its engineering prowess and durability made it a popular choice for taxi drivers, fleet operators, and discerning individuals seeking a reliable and enduring vehicle. Today, the W123 280E remains a sought-after classic car, cherished for its timeless design, robust engineering, and a legacy of quality that continues to endure.