Seal kit for fixing an external leakage of all Hydraulic cylinder from the roof hydraulics.
Mercedes Benz TYPE R171 all years of construction.(2004-2011)
Due to the age-related disappearance of the plasticizer, the rod seal becomes porous and ruptures. It creates a leak when operating the roof hydraulics.
This leak is corrected with our seal kit.
With clean installation, the cylinders are sealed again for the next 20 years.(Please note that it can vary due to long exposure of the car in sun and high temperature when car is stored )
This Seal kit consists of:
1. 5 rod seals made of a special polyurethane mixture
Due to the new material mixture of the rod seal is this More resistant, tear-resistant and heat-resistant than the original seal