The All New 2009 Cadillac STS is now available at your Baltimore area Maryland Cadillac dealer; MileOne Heritage Cadillac in Bel Air, Maryland (MD). For the best deal on your new 09 Cadillac STS, or to check out our huge selection of new and used Cadillac inventory, come visit MileOne Heritage Cadillac: 716 Belair Road Bel Air, MD 21014 Or call our Baltimore Cadillac Sales and Service team: 1-866-245-6355 *Heritage Cadillac in Bel Air is a certified Cadillac dealership serving the Maryland (MD) area. If you live in Bel Air, Towson, Cockeysville, or anywhere in the Baltimore area, you are just a short trip away from a brand new 09 Cadillac STS.