ATLANTA--(BUSINESS WIRE)--This summer, Mercedes-Benz USA (MBUSA) celebrated one grand opening and two substantial renovations of Parts Distribution (PDC) and Learning and Performance (LPC) Centers to help service dealers more effectively nationwide. The upgrades will allow Mercedes-Benz dealers to receive the parts they need faster, and provide best in class service to the brand's loyal customers. The grand opening occurred in Grapevine, TX, and the renovations in Robbinsville, NJ, and Carol St