Comand 2128701451 For Glk X204 2012-2016 Description: 【Material】: Do not like standard controllers with plastic rotary switch knobs that are prone to breaking, our upgraded Comand Controller features a strong aluminum construction. This ensures wear resistance, rust resistance, and higher hardness, making it a good replacement that is less likely to break 【Compatible】: This Rotary Switch Scroll is compatible for Mercedes-Benz, including C-Class W204 S204 C204 2008-2015, E-Class W212 V212 2010-2015, CLS W218 X218 Class 2011-2017, GLK X204 Class 2012-2016, SLK R172 Class 2012-2017, SLS C197 R197 Class 2010-2015 【Part Number】: 2048709958, 1728701258, 2128701451, and 2128701551 【Efficient Functionality】: The Rotary Switch Button Scroll Knob Shaft efficiently converts the rotational action of the knob into switch operations. By rotating it, users can easily select the desired mode to meet needs 【Easy Installation Process】: Installing this Controller Rotary Switch Button Knob Shaft is straightforward. Simply remove the control panel, locate the appropriate position, replace the old shaft with this new repair shaft, and reinstall the control panel for seamless operation Specification: Length: 5.2cm/2.05inch Double Size: 1.2cm/0.47inch, 0.8cm/0.31inch Package Includes: 1 Comand Controller Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.