I've never had any interest in buying a Mercedes and I think you're confusing Alabama with Mississippi. The ship building is done in Pascagoula.
Nope, they build warships and transports in Alabama:
http://www.honoluluadvertiser.com/article/20081123/NEWS08/811230341/1018/LOCALNEWSFRONT
They also make Hyundais in Alabama as well as having at least one AR-15 manufacturer.
Finally, there is a large and growing high-tech and aerospace presence in Alabama.
http://www.alabamaaerospace.org/