The only manual written especially for the owners of both 4- and 6- cylinder engines that powered the 200/230/230E/250/280/280E from 1976-1986. Engines, electrics, transmission, brakes - a complete manual. Note: This Mercedes workshop manual covers W123 models sold in Germany and the rest of the world (In English). While some systems and procedures do cross over worldwide, this manual is not intended to fully cover Mercedes-Benz models sold in the US or Canada. This Mercedes-Benz W123 service manual contains technical data, maintenance procedures and service information. It details service procedures such as engine oil changing, engine removal, carburetor and fuel injection tuning and cleaning, adjusting valves, bleeding brakes and clutch, and suspension repair. In addition to Mercedes-Benz repair information, the manual contains electrical wiring diagrams. Models included in this Mercedes-Benz repair manual: Mercedes-Benz 200, Mercedes-Benz 230, Mercedes-Benz 230E, Mercedes-Benz 250, Mercedes-Benz 280 & Mercedes-Benz 280E. Comprehensively covers both the 4 and 6 cylinder gasoline engines from 1976-1986 that powered the 200, 230, 230E, 250, 280, 280E from 1976-1986. Covers: engine, gearbox, transmission, suspension, steering, brakes, electrics, etc.