Bosch Workshop Engine Air Filters are constructed with a high number of pleats for robust particle holding capacity 98% filtration efficiency in removing small particles from incoming air to guard against engine wear High velocity cellulose cured media provides minimum air resistance and ensures even pleat distance for optimum efficiency Polyurethane foam seal provides elasticity and sealing performance, while protecting against water and heat intrusion into the air intake system All features combined ensure only the cleanest air for strong engine protection, high-performance, and better fuel efficiency Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific vehicle fitment details with fit checker above): DODGE: 1994-02 Ram 2500, 1994-02 Ram 3500; MERCEDES-BENZ: 2006-09 C230, 2001-05 C240, 2010-12 C250 Compatible with (continued): MERCEDES-BENZ: 2006-07 C280, 2008-12 C300, 2001-05 C320, 2006-11 C350, 2005-06 C55 AMG, 2000-06 CL500, 2001-02 CL55 AMG, 2007-10 CL550, 2003-05 CLK320, 2006-09 CLK350, 2003-06 CLK500, 2003-06 CLK55 AMG Compatible with (continued): MERCEDES-BENZ: 2007-09 CLK550, 2006 CLS500, 2007-11 CLS550, 2003-05 E320, 2006-12 E350, 2003-06 E500, 2003-06 E55 AMG, 2007-11 E550, 2002-08 G500, 2003-04 G55 AMG, 2009-15 G550, 2007-12 GL450, 2008-12 GL550 Compatible with (continued): MERCEDES-BENZ: 2010-12 GLK350, 2006-11 ML350, 2010-11 ML450, 2006-07 ML500, 2008-11 ML550, 2006-11 R350, 2006-07 R500, 2008 R550, 2006 S350, 2010-13 S400, 2000-06 S430, 2008-11 S450, 2000-06 S500 Compatible with (continued): MERCEDES-BENZ: 2001-02 S55 AMG, 2007-11 S550, 1999-06 SL500, 2007-12 SL550, 2006-08 SLK280, 2009-11 SLK300, 2005-11 SLK350, 2005-11 SLK55 AMG