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 C240: 2002, 2003, 2004, 2005] - [Mercedes-Benz C280: 1998, 1999, 2000] - [Mercedes-Benz C32 AMG: 2002, 2003, 2004] - [Mercedes-Benz C320: 2002, 2003, 2004, 2005] - [Mercedes-Benz CL500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz CL55 AMG: 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz CLK320: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005] - [Mercedes-Benz CLK430: 1999, 2000, 2001, 2002, 2003] - [Mercedes-Benz CLK500: 2003, 2004] - [Mercedes-Benz CLK55 AMG: 2001, 2004, 2005] - [Mercedes-Benz CLS500: 2006] - [Mercedes-Benz CLS55 AMG: 2006] - [Mercedes-Benz E320: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005] - [Mercedes-Benz E430: 1998, 1999, 2000, 2001, 2002] - [Mercedes-Benz E500: 2003, 2004, 2005, 2006] - [Mercedes-Benz E55 AMG: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz G500: 2002, 2003, 2004, 2005, 2007] - [Mercedes-Benz G55 AMG: 2003, 2004, 2005] - [Mercedes-Benz ML320: 1998, 1999, 2000, 2001, 2002, 2003] - [Mercedes-Benz ML350: 2003, 2004, 2005, 2006] - [Mercedes-Benz ML430: 1999, 2000, 2001] - [Mercedes-Benz ML500: 2002, 2003, 2004, 2005, 2006, 2007] - [Mercedes-Benz ML55 AMG: 2000, 2001, 2002, 2003] - [Mercedes-Benz R500: 2006, 2007] - [Mercedes-Benz S350: 2006] - [Mercedes-Benz S430: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz S500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz S55 AMG: 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz SL500: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Mercedes-Benz SLK320: 2001, 2003, 2004]