The product is a genuine OEM Engine Control Module (ECM) for Mercedes-Benz vehicles such as W204 C350, SLK350, and GLK350. It is manufactured in Germany by Mercedes-Benz and features a fast microprocessor for efficient engine control. The ECM has pin terminals and comes with OEM terminal quantity. This control module is a direct replacement for the original part and is designed for front placement on the vehicle. It carries part numbers A2769005000, A2769010600, A2769001600, and various manufacturer part numbers as specified.