The Chrysler 300 STR8, produced from 2006 to 2010, represents a potent blend of American luxury and high performance, built upon the robust LX platform. Distinguished by its bold, retro-inspired styling and a powerful 6.1L SRT HEMI V8 engine producing 425 horsepower, this model targets a premium segment with a focus on exhilarating driving dynamics. Its engineering quality is evident in its substantial build, featuring a cast-iron block and aluminum cylinder heads, paired with a 5-speed automatic transmission with AutoStick functionality. The 300 STR8 offers a commanding presence, with a long wheelbase and generous interior space, making it a unique offering that evokes classic American muscle car heritage. This comprehensive factory service manual provides detailed information essential for the maintenance, diagnosis, and repair of the Chrysler 300 STR8 across its covered model years. It encompasses all major vehicle systems, including the powertrain, chassis, electrical, and body components, offering in-depth coverage of scheduled maintenance, troubleshooting procedures, diagnostic trouble codes, and component-level repairs. With over 1500 pages of factory-level detail, this English-language manual serves as an indispensable resource for owners, independent repair shops, and automotive technicians aiming to preserve the integrity and performance of their vehicle.