This secondary air injection pump is designed to match the fit and function of the original pump on specified applications. Made of quality materials, it is engineered for reliable performance and durability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mercedes-Benz C230: 2006, 2007, 2008, 2009] - [Mercedes-Benz C250: 2010, 2011, 2012] - [Mercedes-Benz C280: 2006, 2007] - [Mercedes-Benz C300: 2008, 2009, 2010, 2011, 2012] - [Mercedes-Benz C350: 2006, 2007, 2008, 2009, 2010, 2011, 2012] - [Mercedes-Benz CL550: 2007, 2008, 2009, 2010] - [Mercedes-Benz CLK350: 2006, 2007, 2008, 2009] - [Mercedes-Benz CLK550: 2007, 2008, 2009] - [Mercedes-Benz CLS550: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz E280: 2007, 2008] - [Mercedes-Benz E300: 2008, 2009] - [Mercedes-Benz E350: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz E550: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz G550: 2009, 2010, 2011, 2012, 2013, 2014, 2015] - [Mercedes-Benz GL450: 2007, 2008, 2009, 2010, 2011, 2012] - [Mercedes-Benz GL550: 2008, 2009, 2010, 2011, 2012] - [Mercedes-Benz GLK350: 2010, 2011, 2012] - [Mercedes-Benz ML350: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz ML450: 2010, 2011] - [Mercedes-Benz ML550: 2008, 2009, 2010, 2011] - [Mercedes-Benz R350: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz R550: 2008] - [Mercedes-Benz S400: 2010, 2011, 2012, 2013] - [Mercedes-Benz S450: 2008, 2009, 2010, 2011] - [Mercedes-Benz S550: 2007, 2008, 2009, 2010, 2011] - [Mercedes-Benz SL550: 2007, 2008, 2009, 2010, 2011, 2012] - [Mercedes-Benz SLK280: 2006, 2007, 2008] - [Mercedes-Benz SLK300: 2009, 2010, 2011] - [Mercedes-Benz SLK350: 2005, 2006, 2007, 2008, 2009, 2010, 2011]