The seat occupancy mat is a sensor mounted in the front passenger seat.<br>The emulator simulates a situation of a person sitting in the passenger seat with a seat belt fastened.<br>To make the emulator work you need a diagnostic tool (like for , for , for etc.) to remove old errors of a broken seat mat that are stored in the control unit. Once you connect the emulator your diagnostic tool be to remove old errors and turn off the SRS/ warning. Unfortunately, the errors related to the safety systems are not removing automatically.<br>Before purchase, please scan your car with a diagnostic tool to make sure your SRS/ warning is caused by a defective seat mat.<br>These warnings can be turned on by at least 6 sensors mounted in the seat. The emulator solves the problem caused by a faulty seat mat only. The emulator not solve your problem if a different sensor is faulty - the SRS/ warning light still be present after connecting the emulator and removing the error present in the diagnostic tool.<br><br>Name:Car Seat Occupancy Mat Sensor SRS Bypass Emulator<br>Fitment Type:Direct Replacement Install<br>Fitment:<br>for E-Class W211 Saloon/Sedan (production years: 2004-2009)<br>for E-Class S211 Estate (production years: 2004-2010)<br>for C219 (production years: 2004-2010)<br>for S-Class W221 (production years: 2005-2013)<br>for /S-Class Coupe C216 (production years: 2006-2014)<br>Color:As Shown<br>Material:Plastic<br><br>Package Contents:<br>1 x Car Seat Occupancy Bypass SRS Emulator MAT Sensor<br><br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.