GA-Atlanta, About RBM of Atlanta RBM of Atlanta is a privately owned and family operated Mercedes-Benz dealership with a focus on taking excellent care of our employees which allows us to take amazing care of our clients. We were awarded “Best of the Best” from Mercedes-Benz - Georgia's only 7 time winner. We are also recognized as a J.D Power Dealer of Excellence and the first Mercedes-Benz dealer to be hono