Genuine OEM Mercedes-Benz Strut Support Bushing, part number A4153230220. This part is a support bushing for the front strut assembly. It is located at the top of the strut, between the strut mount and the vehicle body. Its function is to absorb vibrations and noise from the road, providing a smoother ride. This bushing is made of durable rubber to withstand road conditions. Genuine OEM parts are manufactured to exact specifications for optimal fit and performance.