Zag.com Inc. today announced that it has reached an agreement with Mercedes-Benz USA to offer additional savings of up to $5,000 off the price of new Mercedes-Benz car purchases to USAA Members — beyond current special member pricing, rebates and dealer incentives — through USAA’s popular online Car Buying Service. This exclusive offer began July 1st and is effective for a minimum of a year. USAA members can locate and build a new Mercedes-Benz through the service, powered by Zag’s innovative technology platform and network of certified dealers. Members also enjoy the ease of finding, locating, financing, and insuring a vehicle with one company on usaa.com.