This set of left and right engine mounts is an original part from Mercedes-Benz. It is a direct replacement for your car's engine mount and is made of high-quality material. The mounting style is bolt-on and it comes with 2 mounts - one for the left and one for the right. The part number for the left mount is A1662400300, while the right mount is A1662400400. It is compatible with various Mercedes-Benz models and comes with a manufacturer warranty. This engine mount set is not a vintage part and is not a performance part.