Genuine OEM Mercedes-Benz Front Upper Bearing Bushing, part number A1773236300. This component is a vital part of the front suspension system, acting as a bearing to allow controlled movement of the strut assembly while absorbing road vibrations and noise. It is positioned at the upper mount of the front shock absorber. Constructed from durable rubber and metal to ensure longevity and performance. Genuine OEM parts provide the correct material composition and tolerances for optimal suspension function and ride comfort.