【COMPATIBILITY1】: The engine drive belt tensioner idler pulley v-ribbed serpentine belt kit is compatible with Mercedes-Benz 2008-2009 ML550, 2006-2008 ML350, 2007-2008 GL450, 2008-2010 GL550, 2006-2008 SLK280, 2009-2010 SLK300, 2008-2010 SLK350, 2006-2007 C230, 2006-2007 C280, 2008-2010 C300, 2006-2008 C350, 2010 GLK350
【MULTI-FUNCTION】: This Belt Tensioner kit ensures that the serpentine belt maintains the correct tension, makes car runs smoother, the noise is reduced, to prevent the car from skidding
【SMOOTH OPERATION】: The tensioner pulley helps facilitate smooth operation of various engine accessories, such as the alternator, power steering pump, and air conditioning compressor, that the serpentine belt stays properly aligned and tensioned
【PACKAGE INCLUDES】: 1x Drive Belt Tensioner; 2x Idler Pulley; 1x Serpentine Belt
【MATERIAL】: The tensioner is made of aluminum, iron and ABS, with a sturdy structure and wear resistance; The serpentine belt is made of EPDM, which has good tension and is not easily deformed or broken