Genuine OEM Mercedes-Benz vacuum/boost pressure solenoid valve removed from a 2014 Mercedes-Benz GL450 (X166 chassis). Part number A0081535428 (A008 153 54 28). Tested and working condition, normal wear from use. Fits 2013-2016 GL450 / GL550 and other Mercedes turbo-charged models. Match part number for compatibility before purchase. Ships fast and securely.