Features: 1.Specially designed to fit for Mercedes?Benz C W204 / GL X164 / ML W164 / R X164 Type1. 2.Small size but with very good effect, has strong stability, saving your time and effort. 3.The main function is to reactivate the SRS function for safety, which has high practicability. 4.Easy to use and quick to install, and will not take up much of your time, very convenient. 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 new 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: Step1: 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: Fit for Mercedes Benz C W204 2007-2015 Fit for Mercedes Benz GL X164 2005-2012 Fit for Mercedes Benz ML W164 2005-2020(NO fit for W164 2006) Fit for Mercedes Benz R X164 2005-2012