Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality. Mercedes-Benz CLS55 AMG 2006; CLS63 AMG 2010-2007; CLS500 2006; CLS550 2010-2007; E320 2009-2003; E350 2009-2006 Mercedes-Benz CLS55 AMG 2006, CLS63 AMG 2010-2007, CLS500 2006, CLS550 2010-2007, E280 2008-2007, E320 2009-2003, E350 2009-2006