The Chrysler 300M is a full-size luxury sedan produced for the 1999 to 2004 model years. Part of the Chrysler LH platform, it was assembled in Brampton, Ontario, Canada. Known for its retro-modern styling inspired by classic American luxury cars, the 300M offered a spacious cabin with upscale materials and was available with powerful V6 engines, including 2.7L and 3.5L variants, paired with a 4-speed automatic transmission. The vehicle was recognized on a 10Best list in 1999 and 2000, underscoring its blend of comfort, style, and performance. This workshop service repair manual provides comprehensive coverage for the Chrysler 300M, detailing maintenance procedures, repair instructions, and technical specifications. It covers all major systems, including engine variants (2.7L V6 EER, 3.5L V6 EGW/EGJ), automatic transmissions (42LE, 45RFE), brakes, suspension, steering, and electrical systems. The manual includes diagnostic troubleshooting for common issues, detailed wiring diagrams, and information on fluid specifications and capacities. With over 1500 pages of high-resolution, searchable content, this English-language manual is designed to assist owners, mechanics, and technicians in the proper maintenance and repair of the vehicle.