Mercedes E350 W212 With M272 Belt Tensioner And Pulley
Are you experiencing squealing noises from the front end of your Mercedes-Benz? A cause of this noise is the drive belt system, or more commonly the belt tensioner on the M272 engine. If it is time to service your drive belt system, why stop at just changing the belt and the tensioner?
Over time the idler and guide pulleys will begin to make noise as well after years of use. ECS Tuning has the solution to make those sounds go away and get your engine running properly.
Pull It Together!
Fits:
Mercedes E350 (2010-2011) - W212 chassis with the M272 engine
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Ships on Nov 30, 2026