Description:

[Part Number] 2782000570. [Fitment] for Mercedes-Benz CL 550 2011-2014, for Mercedes-Benz CL 63 AMG 2011-2014, for Mercedes-Benz CLS 550 2012-2018, for Mercedes-Benz CLS 63 AMG 2012-2014, for Mercedes-Benz CLS 63 AMG S 2014-2018, for Mercedes-Benz E 550 2012-2017, for Mercedes-Benz E 63 AMG 2012-2015, for Mercedes-Benz E 63 AMG S 2014-2016, for Mercedes-Benz G 63 AMG 2013-2018, for Mercedes-Benz GL 450 2013-2014, for Mercedes-Benz GL 550 2013-2016, for Mercedes-Benz GL 63 AMG 2013-2016.. [Pros] this belt tensioner is made of metal material, which is wearable, durable and scratch-resistant.. [Function] a belt tensioner or/and idler pulley is a system that guides the serpentine belt and the timing belt on a car engine. The function of a pulley and a tensioner is to limit the belt slip. The belt tensioner can be mechanic (spring-loaded) or hydraulic..