<b>Attention:<br><br> Mercedes-Benz has two different steering wheel designs. <br><br> If your Mercedes-Benz has the hexagonal steering wheel, you will need the smaller ring. <br> smaller ring fits(2'' inner ring size)：<br> 2012-2015 B-Class<br> 2008-2014 W204 C-Class<br> 2010-2015 W212 C207 E-Class<br> 2010-2015 X204 GLK-Class<br> 2014 W117 CLA-Class ONLY<br> 2015 X156 GLA-Class ONLY<br><br> If your Mercedes-Benz has the round steering wheel, you will need the bigger ring. <br> bigger ring fits(2.3'' inner ring size):<br> 2015-up W205 C-Class<br> 2016-up W213 E-Class<br> 2016-up X205 GLC Class<br> 2015-up W117 CLA-Class<br> 2016-up X156 GLA-Class<br> 2015-up W166 GLE-Class<br><br> </b> Installation method:<br> 1) The items back with quality auto adhesive tape.<br> 2) Clean the suface where you want to stick. Keep dry and clean.<br> 3) Please do press hard especially on the edges at least 2 mins after installing.<br> 4) If the weather is cold.Please use the hair dryer(hot air blowing)in order to provide the best connection.<br> 5) Please don't touch water and Keep dry after been install at least 72 hours. Or it will easy to fall off.<br><br> Enhances both style and performance<br> Designed exclusively for car<br> Manufactured using premium-grade materials<br> Direct fit - easy to install<br> Offered in various finishes for seamless match<br> If You Need Help Or Have Questions About You Order Please Contact us<br> We Hope You Never have the need,but if you do,our service is friendly and hassle-free <br>