The PowerStop pin boot and bushing kit for Mercedes-Benz CLS550 (2012-2018) is listed as the brake hardware kit matching those model years. Called out in the product description, the overview identifies the kit's application to the CLS550 across the stated years and frames it as the vehicle-specific hardware referenced for brake maintenance or component replacement when used on the listed cars.
Power Stop 12-18 Mercedes-Benz CLS550 Pin Boot/Bushing Kit