Engine control unit from a 2011 Mercedes-Benz C300. This was removed from a vehicle that ran well with no check engine light on. The case, connectors and mounting points have no broken parts. The images are of the actual item you will receive. This item will require on-car programming, coding or flashing during installation in order to work with your vehicle. Please confirm that you or your repair facility can perform this procedure before making your purchase. Fits 2011 Mercedes-Benz C300 with part number 272 900 06 00 ONLY.