Genuine OEM Mercedes-Benz Brake Caliper Shim, part number A0004210196. This shim is a crucial part of the disc brake system, designed to be placed between the brake pad and the caliper or piston. Its primary function is to absorb vibrations and reduce noise, ensuring quiet and smooth braking performance. The shim has dimensions of 0.09 meters in length, 0.01 meters in width, and 0.08 meters in height. Genuine OEM shims are made to exact specifications to prevent brake squeal and ensure proper pad contact.