This amplifier is the perfect replacement for your Mercedes-Benz SL500, SL550, SL600, SL55, SL65 AMG, CL500, CL600, CL55, CL65 AMG, S350, S430, S500, S600, S55, S65 W221, W216 and more. It is a genuine OE OEM original audio amplifier by Becker, with OE/OEM part numbers A2208271242, A2208704189, A2208701889, and A2208702989. The superseded part number is Mercedes-Benz/Mercedes Benz/MercedesBenz. It is a high-quality audio gateway that will give you the perfect sound quality you are looking for in your car.