The product is a front upper seat cushion bladder bolster for a 2012-2016 Mercedes W166 ML350 GL450. This part is made of leather and features an adjustable seat. It is a genuine Mercedes-Benz part with OE/OEM part numbers A 000 8005448, A 000 800 54 48, and A0008005448. The headrest is detachable, and the part is specifically designed for the front placement on the vehicle. It is not a vintage part and does not have universal fitment.