The 2007 Chrysler 300 adds W. P. Chrysler Executive Series, a long wheelbase version that adds 6 inches to the standard wheelbase to provide more than 46 inches of rear seat legroom. The long wheelbase package is available on either the Chrysler 300 Touring model powered by the High Output 3.5-liter V6 or the Chrysler 300C powered by the 5.7-liter HEMI V-8 engine. New features for 2007 include Adaptive Cruise Control, SmartBeam Headlights, heated rear seats, auto-dimming passenger-side exterior mirror and supplemental turn signal mirrors with courtesy puddle lamps.