Mercedes Viano w639 Oluve Auxiliary air suspension kit 2-way system

Mercedes Viano w639 semi air suspension kit.  

How does it work?
The semi air suspension kit with 2-way system provides load support through the use of air pressure that can be adjusted for changing loads, even with side to side differences to compensate for some uneven loading;
The original suspension will and should not be removed. The semi-airsuspension kit is designed to co-operate with the existing suspension;
Mounting between the chassis and the original suspension;
Designed for light commercial vehicles and motorhomes;
Increases driving comfort and stability;
No-drill system, designed to use the holes and mount between its frame and suspension, easy installation

Model type:

Mercedes Viano w639

Scope of delivery:
Two 6-inch air springs
Brackets
2 Air inlet valves
Air line 10 metre
Installation manual