The product is a genuine OEM front left side door lock actuator for a 2007-2013 Mercedes W221 S550. Made of plastic and manufactured in Germany, this door lock features easy installation and comes with mounting hardware included. It is specific to the left front placement on the vehicle and is a central locking system remote control for Mercedes-Benz vehicles. With OE/OEM part numbers such as A2217600404 and A2217201337, this door lock actuator ensures a secure and functional fit for your Mercedes.