Available satellite radio, a new navigation system, and midyear availability of a hands-free cellular-phone link highlight 2004 changes to the 300M. Appearance and major equipment are unchanged. The 300M is built on the chassis of the Chrysler Concorde and Dodge Intrepid, but is pitched as a European-flavored alternative with distinct styling and a slightly shorter body. Its V6 makes 250 hp in the base model and 255 in the performance-oriented 300M Special. Both use Chryslers AutoStick 4-speed automatic transmission with a separate gate for manual shifting. ABS and traction control are standard. Front side airbags are optional. The Special has unique trim, lowered and stiffened suspension, higher-speed-rated tires, and xenon headlights. Both come with leather upholstery. For 04, satellite-radio is a new option for both models. So is a navigation system, which includes the satellite-radio option. Also, the Special and base now come with 17-inch wheels. The Specials previously standard 18-inch wheels are now in