A comprehensive repair and tune-up manual for the owner interested in making his own repairs and for the enthusiast wanting extra performance from the engine. The first chapter deals with conventional troubleshooting, without specialized equipment thus helping to pinpoint the trouble before disassembly. Contains comprehensive table and specifications, wiring diagrams and exploded views. Covers 180, 190. 200, 219, 220, 230, 250, 300, 600 fuel/diesel injection plus selected Road & Track road tests.