NEW YORK--(BUSINESS WIRE)--As part of its ongoing surveillance, Fitch Ratings affirms two outstanding classes of the Nissan Auto Receivables 2013-C Owner Trust at 'AAAsf'. A full list of rating action follows at the end of this press release. KEY RATING DRIVERS The rating affirmations are based on available credit enhancement and loss performance. The collateral pool continues to perform within Fitch's expectations. Based on the current structure and credit enhancement, the securities are able