Here is used a very durable material. 

Made in China quality CR Rubber, Bone material iis Nylon PA66
The long experience in the field of Air suspension, led to the highest quality. 
Thousands of satisfied customers confirm the superior quality of this product.

New O-rings and air connection are included. 

Can be installed in the following vehicles: 

Mercedes S-CLASS W220 S430 S500 S600 S55 AMG

-Mercedes-Benz S Class S430 2000-2006  

-Mercedes-Benz S Class S500 2000-2006 

-Mercedes-Benz S Class S55AGM 2001-2006

-Mercedes-Benz S Class S600 2001-2006

Original spare part number:

 A2203205013

2203205013

Our advantage:
-OEM quality
-Factory price

-Personal advice
-We have a 1 years warranty without mileage limits
-Worldwide express delivery is our standard