Mercedes W123 Maintenance

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The W123 chassis covers 240D's, 300D's, 300TD's, 280E's, and several other models of Mercedes coupes, sedans and wagons from model years 1977 to 1985. Mercedes W123 troubleshooting, repair, and service. Source: Mercedes-Benz. That isn’t to say the W123 was strictly a luxury car. It was offered in a variety of trims, from cloth seats, manual windows, and radio-delete stripper models to leather-trimmed sporty coupes, offering something for nearly everyone.

Service, repair and workshop manuals, wiring diagrams, fault codes for Mercedes-Benz W123 – free download.

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TitleFile SizeDownload Link
Mercedes-Benz 123 series 1976-1985 Owners Workshop Manual.rar22.4MbDownload
Mercedes-Benz W123 1976-1985 Repair Manual.rar59.3MbDownload
Mercedes-Benz W123 1976-1985 Service Manuals.rar53.7MbDownload
Mercedes-Benz W123 Diesel Service Manuals.pdf6.7MbDownload
Mercedes-Benz W123 Owners Manuals.pdf8.5MbDownload
Mercedes w123-200-230-230c-250 Service Manual.pdf53.7MbDownload
Mercedes w123-200-230-250 Service Manual.pdf13.3MbDownload
Mercedes w123-200D-220D-240D-300D Service Manual.pdf9.6MbDownload
Mercedes w123-200D-240D-300D Service Manual.pdf6.7MbDownload
Mercedes w123-200T-230TE-250T-280TE-240TD-300TD-300TD-Turbo diesel Service Manual.pdf25.8MbDownload
Mercedes w123-240TD-300TD-230T-250T-280TE Service Manual.pdf25.8MbDownload
Mercedes w123-280-280C-280E-280CE Service Manual.pdf44.7MbDownload
Mercedes w123-280-280E Service Manual.pdf25.8MbDownload
W123

The Mercedes-Benz W123 Series Sedan was introduced by a German company in January 1976 as a replacement for the W114 / W115 model. This model can be considered the predecessor of the current “E-class“.

Soon the two-door coupe with a shortened wheelbase made its debut, then a low-volume, extended sedan designed for seven or eight seats (third-party companies were also offered a long chassis for installing their own bodies). In 1977, the production of a station wagon started – the first production Mercedes with this type of body: it had reinforced brakes, a third row of seats (turned against the ride) and a rear suspension with a hydraulic system that maintains ground clearance regardless of load.

Mercedes-Benz W123

Rear-wheel drive powertrain “Mercedes W123” borrowed from the previous model: these are the petrol four-cylinder engines 2.0 and 2.3, the straight six-cylinder engine with a volume of 2.8 liters (including fuel injection), as well as four-cylinder and five-cylinder diesel engines of 2.0, 2, 2, 2.4 and 3.0 liters. The only new engine is the 2.5-liter petrol inline “six”. Buyers were offered manual and automatic transmissions.

Mercedes W123 For Sale

In 1979, they began to install turbodiesels on the car, in 1980 the modernization affected gasoline engines (some of them received fuel injection), at the same time an anti-blocking system appeared in the options list.

Mercedes W123 Amg

The 1982 Mercedes-Benz W123 model received an updated look, a five-step “mechanics”, power steering and an optional driver airbag.

Production ended in 1985 with the advent of the new model W124. A total of 2.7 million cars with all body types were made, making the W123 one of the most popular Mercedes cars in history.

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Maintenance

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Mercedes W123 Wagon

Mercedes-Benz W123

Mercedes-Benz W123 Service Manuals Free Download

TitleFile SizeDownload Link
Mercedes-Benz 123 series 1976-1985 Owners Workshop Manual.rar22.4MbDownload
Mercedes-Benz W123 1976-1985 Repair Manual.rar59.3MbDownload
Mercedes-Benz W123 1976-1985 Service Manuals.rar53.7MbDownload
Mercedes-Benz W123 Diesel Service Manuals.pdf6.7MbDownload
Mercedes-Benz W123 Owners Manuals.pdf8.5MbDownload
User guide service book Mercedes Benz w123/200/230/230c/250.pdf53.7MbDownload
User guide service book Mercedes Benz w123/200/230/250.pdf13.3MbDownload
User guide service book Mercedes Benz w123/200D/220D/240D/300D.pdf9.6MbDownload
User guide service book Mercedes Benz w123/200D/240D/300D.pdf6.7MbDownload
User guide service book Mercedes Benz w123/200T/230TE/250T/280TE/240TD/300TD/300TD Turbo diesel.pdf25.8MbDownload
User guide service book Mercedes Benz w123/240T/-300TD/230T/250T/280TE.pdf25.8MbDownload
User guide service book Mercedes Benz w123/280/280C/280E/280CE.pdf44.7MbDownload
User guide service book Mercedes Benz w123/280/280E.pdf25.8MbDownload

Mercedes W123.133, 300D Turbodiesel Sedan Service Manual
Mercedes-Benz 123 series 1976-1985 Owners Workshop Manual – Manual in English on maintenance and repair of the Mercedes-Benz W123 series of the 1976-1985 release with diesel engines.
Mercedes-Benz W123 1976-1985 Repair Manual – Maintenance and repair manual for the Mercedes-Benz W123 series from 1976-1985.
Mercedes-Benz W123 1976-1985 Service Manuals – Multimedia manual for maintenance and repair of the Mercedes-Benz W123 series from 1976-1985.
Mercedes-Benz W123 Diesel Service Manuals
Mercedes-Benz W123 Owners Manuals
Mercedes-Benz W123 Service Manual Library – Multimedia manual in English on the operation, maintenance and repair of the Mercedes-Benz W123 series from 1977-1983.
Mercedes-Benz WIS W123 1976-1985 Service Repair Manual – Multimedia service manual in German on maintenance and repair of the Mercedes-Benz W123 series from 1976-1985.

Mercedes-Benz W123

Mercedes-Benz W123 is a family of business-class cars of the German brand Mercedes-Benz, which is the forerunner of the modern E-class. The official premiere took place on January 29, 1976, although production was established in November 1975. Series of cars W123 replaced the family Mercedes-Benz W114 / W115. Initially, the model was presented only in the sedan body, but later there were modifications in the estate wagon, coupe, as well as a sedan with an elongated wheelbase.

When working on a new series of business-class cars, the company’s engineers paid much attention to vehicle safety. Thus, the model removed the front sub-frame, strengthened the interior design, increased the deformation zones, and the fuel tank was placed above the rear axle in order to reduce the risk of damage to the tank and fire on impact from behind. In 1980, the designers equipped the series with an anti-lock system (ABS), and two years later the W123 acquired an optional airbag.

In 1984, the W123 series gave way to the Mercedes-Benz model range in the body of the W124, which became the official first generation of the new E-Class. Nevertheless, the 123 series cars in the sedan were produced before 1985, and in the station wagon – until 1986. In total, during the production, 2.7 million copies of this series were sold, which makes the car the most successful in the history of the German brand Mercedes-Benz. In addition, the car became the first vehicle that was assembled in the station wagon at the company’s plant.