When you locate unusual noises on your Mercedes Benz CLA Class you have a tendency to be anxious. Specifically when you experience a noise coming from the release bearing of your Mercedes Benz CLA Class. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these trouble lightly, we have decided to write this content to help you locate the causes and free yourself from this concern as quickly as possible. To do this, we will first focus on the function and operation of the release bearing of your clutch, and in a second step we will look in detail at the different release bearing noises on Mercedes Benz CLA Class and their origins.release-bearing-noise-mercedes-benz-cla-class

What is the purpose and operation of the release bearing on Mercedes Benz CLA Class?

Role of the release bearing on Mercedes Benz CLA Class

The release bearing of your Mercedes Benz CLA Class has a major function in the operation of your entire gearbox system. Indeed, its mission is to liberate the gearbox from the rotation of the engine block via its action. This will allow you to shift gears. It is controlled by the clutch pedal and then by the release fork, which, when it is activated, will press on the clutch and release the gearbox from engine rotation for you allow you to shift gears on your Mercedes Benz CLA Class.

Action of release bearing Mercedes Benz CLA Class

Let’s now look at the technical side, the release bearing is composed of two parts, a first fixed part that slides only when the stop is pulled, or pushed (depending on its type) and finally a rotating part that is composed of a bearing that will allow it to stay in contact with the mechanism and follow its rotation.
There are two distinct variants of release bearing Mercedes Benz CLA Class :

  • Pulled release bearing
  • It is the most unconventional of the two variants of release bearing . This one, in contrast to the hydraulic type, is operated by a mechanical pulling system that will release the clutch disc. In this case, the release bearing must be mechanically fixed to the mechanism.

  • Hydraulic release bearing
  • The hydraulic release bearing, although more technical, is the type most used in contemporary cars. It is however more elaborate than the pulled release bearing. Indeed, it will be composed of a hydraulic tube that will receive the pressure immediately from the clutch pedal.
    More conventional clutch stop

Release bearing noises Mercedes Benz CLA Class and their origins

I experience a release bearing noise on Mercedes Benz CLA Class every time I drive and it stops when I depress my clutch pedal

If you experience a noise from your gearbox, release bearing or clutch itself when your engine is running, but it stops when you press your clutch pedal, this noise often sounds like a bell noise, it is highly conceivable that your release bearing is the reason. Make sure that this noise stops when you disengage, in which case it is time to replace the release bearing of your Mercedes Benz CLA Class.

I experience a release bearing noise when my pedal is up and I experience jolts in my foot

If you experience too much or too little resistance when you press your clutch pedal, and it is connected with jolts that you can experience in your clutch pedal, then the stop/fork release/blades grouping is deteriorated. Indeed, this noise often comes from the broken fork that no longer allows the device to function normally.

I experience a grinding noise coming from the release bearing of my Mercedes Benz CLA Class when I try to shift gears and they do not shift

This concern appears most often on models equipped with hydraulic release bearing. It is often associated with a clutch pedal that has little or no resistance. If you are in this circumstance and you feel a grinding or cracking noise coming from the release bearing of your Mercedes Benz CLA Class, then you probably have a leak coming from your release bearing. It must therefore be replaced almost instantly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Mercedes Benz CLA Class and it’s not from your release bearing, check this article to have more informations.