Bilstein B4 OE Replacement gas pressure shock absorbers and struts are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world-famous Bilstein quality. Mercedes-Benz SL55 AMG 2008-2003, SL63 AMG 2012-2009, SL65 AMG 2011-2005, SL500 2006-2003, SL550 2012-2007, SL600 2011-2004