Air Strut Bilstein 44-239978 Mercedes W222

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

In close cooperation with mercedes-Benz, this BILSTEIN B4 air suspension module was developed 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: https://youtu.be/HkHfN1CCjfg

Can be installed in the following vehicles: 
Mercedes-Benz S-Class W222  2013-2020

Original spare part number: 
2223204813 ,  A 222 320 48 13
222320481389 ,  A 222 320 48 13 89
2223202000 ,  A 222 320 20 00
222320200089 ,  A 222 320 20 00 89

OEM Bilstein:
44-239978