The Bilstein B4 front air spring with twintube shock absorber for the 2007 Mercedes-Benz S550 Base is an OE replacement unit designed to restore the vehicle's original air suspension characteristics. B4 OE Replacement (Air) dampers are engineered to connect directly to the original vehicle connectors for modification-free installation and are built to OE-level standards to help return factory ride comfort and handling.
Bilstein B4 2007 Mercedes-Benz S550 Base Front Air Spring with Twintube Shock Absorber