The Mercedes Benz S-Class W222 2016 Keyless Go Entry Control Module ECU A2229004213 is a high-quality engine control unit designed specifically for Mercedes-Benz vehicles. It features fast microprocessors and optimal durability, making it a reliable choice for easy installation. Made of corrosion-resistant plastic, this ECU offers corrosion protection for a long-lasting performance. This module, with a terminal quantity of 1, is a crucial component for ensuring the proper functioning of your vehicle's entry control system.