The Mercedes-benz W123 280E 1976-1985 Factory Service Repair Manual is a comprehensive guide for maintaining and repairing your vehicle. This official factory manual, created by Mercedes-benz, provides detailed instructions and illustrations to empower you to perform repairs like a professional. The manual covers a wide range of topics, including general maintenance, troubleshooting, engine service and repair, transmission service and repair, brake system, wiring diagrams, 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, and axle. This manual is packed with detailed substeps that expand on repair procedure information, notes, cautions, and warnings throughout each chapter to highlight critical information. Numbered instructions guide you step-by-step through every repair procedure. Bold figure numbers help you quickly match illustrations with instructions. Detailed illustrations, drawings, and photos guide you through every procedure. Enlarged insets help you identify and examine parts in detail. A numbered table of contents makes it easy to find the information you need quickly. The manual also simplifies diagnosing and repairing problems with your vehicle's electrical system. Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use. With this manual, you can confidently tackle any repair or maintenance task, saving yourself time and money on shop labor costs.

The Mercedes-Benz W123 280E, produced from 1976 to 1985, stands as a testament to German engineering prowess and timeless design. This mid-size sedan, a successor to the W114/115 series, quickly gained popularity for its robust construction, refined performance, and unparalleled longevity. Powered by a fuel-injected 2.8-liter inline-six engine, the 280E delivered a smooth and responsive drive, capable of reaching 0-60 mph in around 10 seconds. The car's sophisticated suspension system, featuring independent front and rear setups, provided a comfortable ride while maintaining excellent handling and stability. Inside, the W123 280E offered a spacious and luxurious cabin with high-quality materials and meticulous craftsmanship. Features like power steering, air conditioning, and a comprehensive instrument panel were standard, setting a benchmark for comfort and convenience in its class. The W123 280E's reputation for reliability and durability is well-deserved, making it a highly sought-after classic car today. Its robust construction, combined with the use of corrosion-resistant materials, has enabled many examples to survive the test of time. The car's simple yet ingenious mechanical design, featuring easily accessible components, allows for straightforward maintenance and repairs. While the W123 280E may not possess the cutting-edge technology of modern cars, its timeless design, comfortable ride, and long-lasting durability have solidified its place as a true classic. Enthusiasts around the world enjoy the W123 280E's driving experience, appreciating its balance of performance, comfort, and reliability, making it a worthy investment for anyone seeking a piece of automotive history.