FUNCTION & POWERFUL BATTERY: The TPMS with high level of tire monitor accuracy and sensitivity perfectly matched with the front and rear wheels, left and right sides means you will get a fairly reliable sensor to monitor tire pressure. batteries will bring a pleasant experience. The normal service life of the battery is 5-8 years. If the parts around the product are properly maintained, the service life will be longer. FEATURES: Made of chips, 100% tested before leaving the factory; It is resistant to humidity and high temperature, and can work at a temperature of -40 to 120 degrees; Maintaining proper tire pressure can improve fuel power and vehicle performance. Trigger the FINDAUTOs Sensor : Step 1: Turn the key to accessory position. : On the fob, hold down the lock and unlock until the dash display says Tire Learn Active. Leave the key in accessory position while performing the following steps. Do not shut the door as the car doors will lock during the process. Step 3: Turn clockwise to the front driver, front passenger, rear passenger, drivers rear tire, and then release the air until the car horn sounds. It should be 2 times. Fitment: for VH500 01/2016-EOP for a-class (LCV) W176 06/2014-EOP for A Class S176 03/2014-EOP for Class B (LCV) W246 12/2014-EOP for C-Class (LCV) W205 07/2014-EOP for C-class C205 01/2015-EOP for C-Class Coupe C205 06/2015-EOP for C-Class W205 01 / 2014-03 / 2021 for CIA C117 12/2014-EOP for C218 12/2014-EOP for E-Class (LCV) W212 06/2014-EOP for E-class C207 06/2014-EOP for E-class W212 12/2014-EOP for G-class G463 / 461/03/2014-EOP for GLC Coupe C253 / 01/2016 / -EOP for GLC X253 01/2015-EOP for GLA X156 12 / 2014-12 / 2020 for class (LCV) X166 03/2014-EOPfor Coupe C292 01/2015-EOP for About W166 01/2015-EOP for (LCV) X204 06/2014-EOP for / GLC (LCV) X253 10/2015-EOP for X204 01/2015-EOP for (LCV) X253 10/2015-EOP for X253 10/2015-EOP for GLS X166 01/2015-EOP for GT C190 01/2014-EOP for C292 12/2012 EOP for ML-class (LCV) W166 06/2014-EOP for ML-Class W166 07/2014-EOP for S-Class Coupe C217 07/2014-EOP for S-class Pullman X222 03/2014-EOP for S-class W222 12/2014-EOP for SL R231 06/2014-EOP for R172 01/2016-EOP for R172 12/2014-EOP Colour:black Material:ABS Package Contents: 4 x Tire Sensor Only the above package content, other products are not included. Note: Light 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.