This comprehensive service and repair manual covers all models of the Mercedes-Benz W123 E series manufactured from 1976 to 1986. It provides a detailed and in-depth guide to every aspect of maintaining and repairing your vehicle. From routine maintenance procedures to complex engine and transmission repairs, this manual offers step-by-step instructions and clear diagrams to help you perform any task with confidence. This manual is not generic repair information; it is specifically tailored to the W123 E series, providing you with the exact same information used by technicians at authorized dealerships. This manual will empower you to understand your vehicle better and ensure it runs smoothly for years to come.

The 1976-1986 Mercedes-Benz W123 E, encompassing the 230E, 250E, 280E, and 300E models, embodied the pinnacle of German engineering and luxury during its production run. These sedans, revered for their robust construction, timeless design, and refined driving experience, redefined the segment for mid-size executive cars. The W123 E models were available in both four-door sedan and five-door wagon configurations, offering practicality and spaciousness without compromising on elegance. Their distinctive exterior featured a straight, boxy shape, characterized by a prominent grille, sharp lines, and a rakish roofline. Inside, premium materials and meticulous craftsmanship created an opulent ambiance, with comfortable seating, a well-appointed dashboard, and a focus on functionality and ergonomics.

Under the hood, the W123 E series boasted a range of powerful and reliable inline-six engines, renowned for their smooth operation and exceptional durability. The fuel-injected variants introduced in 1979 offered impressive performance and fuel efficiency, further solidifying the W123 E's reputation as a practical yet refined luxury car. The W123 E models also benefited from advanced technology for their time, including a sophisticated suspension system that provided a comfortable and controlled ride, precise steering that delivered a confident driving experience, and a robust braking system ensuring optimal safety. These features, coupled with its exceptional build quality, contributed to the W123 E becoming a highly sought-after classic car in the modern era, known for its longevity and dependability.