This is a quality OEM Car For Parts Only for a 2012 Mercedes-Benz S550 and compatible vehicles. Please be sure to verify compatibility via Check Vehicle Fitment. This genuine used Car For Parts Only is tested and inspected to exceed our quality assurance standards and includes our hassle-free 1-year warranty at no extra cost. Extended warranty options may also be available, please see the warranty options above. We welcome you to Ask a Part Specialist or give us a call for any questions you have. Your satisfaction is extremely important to us at Benzeen Auto Parts and we take pride in giving you the best part buying experience online.