Welcome to Mercedes-Benz at Long of Chattanooga! New or certified pre-owned, luxury or necessity, residents of Chattanooga know Long is the place they can expect more from their car buying experience. In Chattanooga, Tennessee, near Athens. From its beginning in 1976, Long has a history of serving the community and respecting our military and first responders with the Long Difference Plus. Let us demonstrate why you can expect better from a car dealership. Long is your source for new Mercedes-Benz. Let our experienced sales staff walk you through our new vehicle inventory and put you in the right vehicle for your needs. Looking for used luxury cars? Long has a large inventory of pre-owned Mercedes-Benz and other luxury makes.