Genuine OEM Mercedes-Benz Control Unit, part number A1679002309. This control unit is a vital component responsible for managing the ignition system. It plays a crucial role in the vehicle's starting sequence and overall electrical operation. The unit is located within the vehicle's dashboard assembly. It has a weight of 0.157 kg and dimensions of 0.2m x 0.06m x 0.1m. Genuine OEM control units are essential for ensuring the correct firmware and precise calibration required for reliable ignition system performance.