The product is a front left door unlock lock switch for Mercedes W251 R350 GL550 vehicles manufactured between 2006-2013. It is a black push button switch made by Mercedes-Benz in Germany. The switch is specifically designed for controlling the lock on the left front side of the vehicle and comes with a manufacturer warranty of 60 days. The part number is A25182009109174 A2518200910, and it is a genuine OE/OEM part. This switch is not a vintage part and is not universally fitting, ensuring a perfect fit for specified Mercedes-Benz models.