B4 air suspensions

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.

Product benefits at a glance: 

100 % functionality as on day one


100 % new parts for maximum stability and reliable safety


100 % uncompromising OE quality


100 % comfort


Available for all air suspension systems – active and passive


Individually fine-tuned in the BILSTEIN road test

PRODUCT CATALOG