This article is from the Chrysler-Plymouth-Dodge FAQ, by Dr. David Zatz with numerous contributions by others.
(CC used to mean Chrysler Corp, DC used to mean
Direct Connection, precursor to Mopar Performance)
DCX is DaimlerChrysler's stock symbol. The X was
rumored to stand for Honda at one point (as in DCH)
and then rumors said Mitsubishi.