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>Name:Car Seat Occupancy Mat Sensor SRS Bypass Emulator<br>Fitment Type:Direct Replacement Install<br>Fitment:<br>For CLK W209 2006-2009<br>For MB CLK W209 2006-2009 C W203 2005-2007<br>Note:<br>Installation guide not included, we strongly recommend you professional installation.<br>Please check as much as possible to make sure the item is what you need.<br>The Compatibility Is Just For Please Compare The Part Number With Your One Before Purchasing!<br>Colour:Photo Color<br>Material:plastic<br>Package Contents:<br>1 x Car Seat Bypass Emulator Sensor<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.