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 C230 2009-2008; C250 2014-2010; C300 2011-2008; C350 2014-2008; E350 2014-2010; E550 2014-2010 Mercedes-Benz C250 2015-2012, C300 2011-2008, C350 2015-2008, E350 2014-2010, E400 2017-2015