Features: Aftermarket Tire Pressure Sensor with Premium Quality.Adopted metal and ABS plastic material meet strict requirements, high reliability.High level of accuracy and sensitivity, enhance safety of your vehicle.Proper tire improves economy and tire wear as as and stopping distances while reducing the risk of hydroplaning Original standard, directly replace your old or broken one.Product details:Type : Tire Pressure SensorFrequency:433MHZPart Number:A0025408017,A0025406717Colour: Blackmaterial: plasticFitment Application ; ( For Reference only , please check above Part Number and before ordering )Applicationfor [C216](from 2006-09 to 2014-12)for CLS [C219](from 2005-01 to 2010-11)for E-Class [W211](from 2005-07 to 2011-10)for GL-Class [X164](from 2006-01 to 2009-05)for ML-Class [W164](from 2004-12 to 2011-07)for R-Class [V251](from 2005-06 to 2009-07)for S-Class [W221](from 2005-06 to 2009-06)for SL [R230](from 2005-01 to 2011-12) Package Contents:4 x tire pressure sensor Only the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.