The Chrysler 300, specifically the 300C variant, represents a significant entry in the American automotive landscape for the 2006 model year. Built on the LX platform, this vehicle is renowned for its distinctive styling and powerful performance, often featuring the robust 5.7L HEMI V8 engine, which delivers approximately 360-370 horsepower and 390-400 lb-ft of torque. The 300C also offers a comfortable and luxurious interior, equipped with features such as automatic climate control and premium audio systems. Its engineering prioritizes both driver and passenger safety, evidenced by its 5-star NHTSA ratings for front and side impacts and a 'Good' IIHS frontal offset rating, supported by standard anti-lock brakes, traction control, and available electronic stability control, along with comprehensive airbag systems. This workshop service manual provides comprehensive technical information for the 2006 Chrysler 300 and 300C models. It covers all major vehicle systems, including the powertrain, chassis, electrical systems, and body components, offering detailed maintenance procedures, step-by-step repair instructions, and systematic troubleshooting guides. Technicians and owners will find valuable information on engine and transmission overhaul, diagnostic trouble codes, component replacement, and the use of diagnostic tools. The manual includes detailed wiring diagrams, fluid specifications, and specific part numbers, enabling effective maintenance and repair. Its extensive coverage ensures that both professional mechanics and DIY enthusiasts have the resources needed to keep the vehicle in optimal condition.