ATLANTA--(BUSINESS WIRE)--The Presidio Group LLC (“Presidio”), an independent merchant banking firm focused on mergers and acquisitions, capital raising and investments in the automotive retail and consumer mobility sectors, exclusively advised Group 1 Automotive, Inc. (NYSE: GPI) on the purchase of Mercedes-Benz of Buckhead in Atlanta from Gregory and Juanita Baranco. The transaction was finalized on Aug. 4 and included all dealership real estate. Mercedes-Benz of Buckhead is one of the top lu