Features 1. Designed to be compatible with Mercedes-Benz C W204 / GL X164 / ML W164 / R X164 Type1. 2. Small size, saves your time and effort. 3. The main function is to reactivate the SRS function for safety, with practicability. 4. Quick to install, will not take up much of your time. 5. After installation, it will send a seat occupancy signal to OBC regardless of whether someone is sitting on the car seat Specification Item Type: Seat Occupation Sensor Emulator Material: ABS 1. This listing is for a Seat Occupancy Sensor Emulator. 2. This simulator is designed to replace damaged seat occupancy sensor. 3. The major function of this item is to reactivate the SRS function for safety purpose without installing a overpriced OEM seat occupancy sensor. You can also use the simulator to diagnostic SRS problem and bypass the original seat occupancy sensor. 4. Please note that after installing the simulator, whether or not anyone on the car seat, this simulator will send seat occupancy signal to OBC. So the seat belt has to be fasten at all time to prevent seat belt warning (or you can use a seat belt alarm eliminate clip). 5. Once an accident occurs, this simulator will activate the SRS just like original sensor (whether or not anyone on the car seat). How to Use Step 1: open the simulator top cover, adjust the switch. Step 2: Locate the seat occupancy sensor unit under front passenger seat, cut the wire and reconnect it to the simulator. Step 3: Fasten the seat belt on front passenger seat Fitment Compatible with Mercedes Benz C W204 2007-2015 Compatible with Mercedes Benz GL X164 2005-2012 Compatible with Mercedes Benz ML W164 2005-2020(Not compatible with W164 2006) Compatible with Mercedes Benz R X164 2005-2012