This genuine Mercedes-Benz ignition switch module with key is a reliable replacement for your vehicle. Designed for use in various models including CLS 550, E 250, 350, 400, 550, and 63 AMG, as well as GLK 250 and 350, it provides a seamless integration with your car's ignition system. With part numbers A2129056601, A2129055500, A2129055800, A2129056701, A2129055400, A2129055300, A2125450208, and A2129055900, this module is made up of high-quality materials to ensure its durability. Make your car's ignition system work like new again with this OEM part.