This is a black leather and plastic center console armrest cover for a 10-16 Mercedes E350 W212 4Matic model. 

It is an OEM part made by Mercedes-Benz in Germany, featuring easy installation and performance benefits. The manufacturer part number is 2125409010, interchangeable with 212 540 9010, and the OE/OEM part number is 212 540 90 10. It is designed for the center and front placement on the vehicle.

Includes wiring harnesses. In fully functional working condition.