Bilstein B4 OE Replacement (Air) dampers are designed to replace the original air suspension systems on many European brand vehicles. Bilstein is an OE supplier for air suspension systems; the quality of these products meets, and typically exceeds, the standards set forth by the vehicle's manufacturer. Bilstein B4 OE Replacement (Air) dampers are designed to connect directly into the original connectors on the vehicle, ensuring modification-free installation and restoration of the original feel of the vehicle. 46mm Monotube Shock Absorber Mercedes-Benz GL63 AMG 2016-2013; GL350 2016-2013; GL450 2016-2013; GL550 2016-2013; GLE300d 2016; GLE350 2016; GLE400 2016; GLE550e 2016; ML63 AMG 2015-2012; ML250 2015; ML350 2015-2012; ML400 2015; ML550 2014-2012