Not for 2012 models with Eco Stop/Start Function, factory code B03.  As those vehicles require a different Auxiliary Battery.

NEW FRESH STOCK!  Genuine Mercedes Benz OE N000000004039 Auxiliary 1.2Ah Battery for 2007-2013 S550 S 550 

NEW, NO CORE CHARGE

Will ship securely packaged.  Ground Shipping only.  Ships same or next day out of our location in Michigan.  Part number also written as 000000004039 N000000004039 0000-00004039 N0000-00004039 00004039 A000000004039 A0000-00004039