Please check your old part against the picture and match any of these part numbers from your original unit for a guaranteed make sure this parts will fits on your vehicle.
Driver Electric Power Window Switch Electric Power Master Window Switch Master Window Control Switch Car Push Button Switches Master Electric Power Window Control Switch

Fitment:
For Benz For A-class W169 2011-2012
For GL-class X164 2006-2012 2007 2008 2009 2010 2011
For M-class W164 2005-2010 2006 2007 2008 2009
For R-class V251 2006-2011 2007 2008 2009 2010

Package Contents:
1 * Window Master Switch

Specification:
Material: A&BS
Color: As shown
Placement: Left & Right

Features:
Just Need To Your Driver Power Window Switch And Install The Master Window Switch.Plug And Play.Direct Fit No Need Modification

Replace The Front Passenger Side Window Switch And Door Lock. Control The Window And Door Again.Engineered Improvements Enhance , Meet Your Expectations For Fit, Form, And Function

You Will Get The Fairly Reliable And Durable Master Window Switch To Give You Full Control Of Window System,Identical In Appearance And Operation To The Switch You Are Replacing
If you have any questions about this product, welcome to contact us. We will give you a solution within 24 hours.