The parts allow you to shift gears more , and the steering wheel shifter has extended functionality.The paddle shifters feature a unique look, metallic finish, and added comfort and long-lasting shine.Clean the surface of the paddle shifter installation, heat the tape on the back and press lightly to make the tape stick better.Made of aluminum alloy, not easy to fade, heat-resistant, wear-resistant, durable.Fitment:For A class W176 2012-2014For B class W246 2012-2014For C class W204 2011-2013For E class W212 2010-2014For CLA class C117 2014 2015For GLA class X156 2014 2015For class W218 2011-2015For ML class W166 2012-2015For class X166 2012-2015For SL class R231 2012-2015For class R172 2011-2015Colour:redMaterial:Aluminum alloyPackage Contents:2x Steering Wheel Paddle ShiftOnly the above package content, other products are not included.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.