The Chrysler 300M, produced from 1998 to 2004, represented Chrysler's foray into the luxury sedan market, built on the Chrysler LH Platform. This model was distinguished by its unique styling, spacious and comfortable interior, and a powerful 3.5L SOHC V6 engine, delivering approximately 214-225 horsepower. It was positioned as a premium offering, competing with established luxury marques and earning recognition, including Car and Driver's 10Best list in 1999 and 2000, for its blend of style, performance, and value. This comprehensive workshop repair service manual provides detailed information for all models, engines, trim levels, and transmission types of the 1998-2004 Chrysler 300M. It covers a wide array of systems, including engine and transmission service, brake and electrical systems, suspension, steering, cooling, fuel, emission, HVAC, and chassis components. The manual includes general maintenance procedures, systematic troubleshooting guides, disassembly and assembly instructions, and crucial wiring diagrams, empowering owners and technicians to maintain, diagnose, and repair the vehicle effectively.