This is an upgraded valve for your 2.0 turbocharged M133 AMG engine. From the factory AMG blocked off the location for the dump valve on the turbo. This may work for stock tuned vehicle but if you turn up the boost this can cause issues with the health of the turbo. This valve bolts straight the turbo with the supplied hardware. The valve features an aluminum piston for longevity, and is fully serviceable. The valve can also be rebuilt with a range of springs to suit your level of power.
Mercedes-Benz A Class W176 - 12-18 45 AMG - 367 / 381
Mercedes-Benz CLA W117 - 12-18 45 AMG - 367 / 381