Air Strut Bilstein 44-273439 Mercedes

The bilstein B4 air suspension module offers optimum safety and durability. Don't be satisfied with less than bilstein if you need OE replacement.

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. 

Enclosed installation instructions of the manufacturer must be observed!

How to replace the strut you can see in this video. 
It is essential to act according to this installation video: 

Can be installed in the following vehicles: 

mercedes-BENZ GL X166 04.2012 - 12.2015

mercedes-BENZ GLE X166 04.2015 - 10.2018

mercedes-BENZ GLS X166 11.2015 - 04.2019

Original spare part number: 
A 166 320 03 00, A 166 320 67 66, 1663200300, 1663206766

OEM bilstein:
44-273439