Description:

[Part Number] 2702000370. [Fitment] for Mercedes-Benz CLA250 AWD 4Matic 2014-2018, for Mercedes-Benz CLA250 FLEX AWD 4Matic 2014-2018, for Mercedes-Benz CLA250 Base 2014-2018, for Mercedes-Benz CLA45 AMG 4Matic 2014-2018, for Mercedes-Benz GLA250 AWD 4Matic 2015-2017, for Mercedes-Benz GLA250 FLEX AWD 4Matic 2015-2017, for Mercedes-Benz GLA250 FLEX Base 2015-2017, for Mercedes-Benz GLA250 Base 2015-2017, for Mercedes-Benz GLA45 AMG 4Matic 2015-2017.. [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..