The Mercedes-Benz Door Impact Sensor A1668210352 is a genuine OE/OEM part designed specifically for Mercedes-Benz vehicles. This airbag sensor is a performance part located on the doors of the vehicle. It is not a universal fitment part and is intended to fit 2011-2023 Dodge Challenger/Charger vehicles. This sensor helps ensure the safety and security of the vehicle by detecting any potential impact and triggering the airbag system to protect the occupants.