Engine control module from a 2007 Mercedes-Benz R320 CDI. This was carefully removed from a vehicle that ran well with no check engine light on. The case has some typical corrosion, but this will not affect its normal function. The connectors have no broken parts or corrosion. 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 2007-2008 Mercedes-Benz R320 CDI with 3.0L diesel engine and part number 642 150 62 79 ONLY.