Durable & Protection: Durable and prevents your car from finger nails and keys scratches. Covering the existing scratches.this cover trim is sturdy, rustless and scratch-resistant, to maximum strength and durability for long lasting usage.Decoration: decoration parts that keep your vehicle unique and eye-catching, Instant upgrade the appearance.Freshen up the interior of your for with this chrome accessories.Install Carefully: Let the two sided adhesive tape set for at least an hour doing anything press straight down on the button cover. each cover firmly against the surface for 23 seconds after initial placement moving on to the , to assure and permanent installation.Easy installation: There is Double-sided glue inside (if the temperature is low, Heating with a blower).compatibility:For - C-Class W204 2008-2010 (models at the beginning of 2011, check the picture to confirm)For the - E-class W212 2010-2012 the change (in early 2013 models, see the picture confirmation)Suitable for - S-Class W221 2008-2012For - X204 level 2008-2012 -updateMaterial:ABScolour:blackPackage Contents:12 x steering wheel button stickerOnly 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.