[INDUSTRY LEADER] - As an original equipment global leader in mass air flow technology, all Bosch Mass Air Flow (MAF) sensors ensure low levels of harmful emissions with greater fuel efficiency and improved engine performance [OPTIMAL PERFORMANCE] - OE technology provides the correct function and calibration to ensure trouble-free operation and emission compliance while providing up to 20 percent better fuel consumption [SUPERIOR DESIGN] - Bosch OE MAF sensors feature a patented design that increases robustness against water and particulate damage, reduces sensor drift, and lowers pressure drop [PRECISION CALIBRATION] - 100% new sensor and housing are calibrated and sold together (select part numbers only - housing will be shown in photos if included), ensuring precise sensor readings and optimal engine performance [TROUBLE FREE INSTALLATION] - OE identical connector ports and attachment points ensure an exact fit and a trouble free installation process Compatible with select vehicles (Note: verify specific vehicle fitment details with fit checker above): MERCEDES-BENZ: 2006-09 C230, 2010-12 C250, 2006-07 C280, 2008-12 C300, 2006-11 C350, 2007-10 CL550, 2006-09 CLK350, 2007-09 CLK550 Compatible with (continued): MERCEDES- BENZ: 2007-11 CLS550, 2006-11 E350, 2007-11 E550, 2009-15 G550, 2007-12 GL450, 2008-12 GL550, 2010-12 GLK350, 2006-11 ML350, 2010-11 ML450, 2008-11 ML550, 2006-11 R350, 2008 R550 Compatible with (continued): MERCEDES-BENZ: 2010-13 S400, 2008-11 S450, 2007-11 S550, 2007-12 SL550, 2006-08 SLK280, 2009-11 SLK300, 2005-11 SLK350