BILSTEIN B4 air suspension module: Trust the original equipment manufacturer!
In close cooperation with Mercedes-Benz, we developed the BILSTEIN B4 air suspension module for maximum driving comfort. The revolutionary design provides damping, suspension and level control in one single part. The BILSTEIN B4 air suspension module is available for active and passive systems and is therefore the ideal OE replacement part for a perfect driving experience as on day one.
For the corresponding Front Right Air Suspension Strut, please see Bilstein 44-283155 MERCEDES-BENZ W/X166 B4 OE Replacement Front Left Air Suspension Strut