The 2005 Chrysler 300C is a full-size luxury sedan that revived the iconic 300 nameplate with a distinctive retro-modern design and a focus on rear-wheel drive performance. Built on the LX platform, derived from Mercedes-Benz technology, this model offers a powerful presence, muscular proportions, and a comfortable ride, targeting consumers seeking a unique American luxury experience. Available with a potent 5.7L HEMI V8 engine producing 340 horsepower or a capable 3.5L V6, the 300C also features advanced systems like the Multi-Displacement System (MDS) on V8 models for improved fuel economy, and optional all-wheel drive. Its engineering quality is underscored by its robust construction and safety features, including advanced braking and stability control systems, contributing to its recognition with awards such as Automobile Magazine's All-Star for Best Luxury Sedan. This comprehensive workshop service repair manual provides detailed information for the 2005 Chrysler 300 and 300C. It covers all essential systems, including powertrain components like the engine, transmission, and fuel system, as well as chassis elements such as suspension, steering, and brakes, and body systems including interior and exterior components. The manual offers step-by-step repair instructions, diagnostic procedures, routine maintenance schedules, and detailed wiring diagrams to assist owners and professional technicians. Its purpose is to facilitate the proper maintenance, troubleshooting, and repair of the vehicle, ensuring its optimal performance and longevity.