The PowerStop pin boot and bushing kit for Mercedes-Benz GL450 (2013-2016) is identified as the brake hardware kit for the listed model years. Noted in the product description, the overview states the kit's application to the GL450 across those years and positions it as the vehicle-specific hardware component referenced for brake system maintenance or replacement on the named SUVs.
Power Stop 13-16 Mercedes-Benz GL450 Pin Boot/Bushing Kit