Description
If you have started to notice a chirping sound coming from under the hood of your Mercedes-Benz while the engine is running, the cause could be something as simple as a failing accessory belt tensioner pulley.
This pulley is attached the accessory belt tensioner and keeps the accessory belt at a constant tension so that it does not slip, and will always drive the accessories. The bearing inside of this pulley can wear out over time, and the first signs of this wear is noise.
If your accessory belt tensioner pulley is making noise, don't wait for failure, replace it today with a quality part from Euromotiv.
If you are replacing this accessory belt tensioner pulley, be sure to check the condition of your accessory drive belt and other belt driven components and replace any that are showing signs of wear.