When you notice unusual noises on your Mercedes Classe S you tend to get worried. Specifically when you experience a noise coming from the release bearing of your Mercedes Classe S. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these problems lightly, we have decided to make this content to support you locate the triggers and free yourself from this issues as quickly as possible. To do this, we will first concentrate 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 Classe S and their origins.release-bearing-noise-mercedes-classe-s

What is the function and operation of the release bearing on Mercedes Classe S?

Function of the release bearing on Mercedes Classe S

The release bearing of your Mercedes Classe S has a major function in the operation of your entire gearbox system. In fact, its task is to liberate the gearbox from the rotation of the engine block via its action. This will allow you to shift gears. It is operated 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 Classe S.

Function of release bearing Mercedes Classe S

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 types of release bearing Mercedes Classe S :

  • Pulled release bearing
  • It is the most unconventional of the two types of release bearing . This one, unlike the hydraulic style, 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 complex, is the type most used in contemporary automobiles. It is however more elaborate than the pulled release bearing. In fact, it will be composed of a hydraulic tube that will receive the pressure straight from the clutch pedal.
    More conventional clutch stop

Release bearing noises Mercedes Classe S and their origins

I experience a release bearing noise on Mercedes Classe S when 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 possible that your release bearing is the reason. Make sure that this noise stops when you disengage, in which circumstance it is time to swap the release bearing of your Mercedes Classe S.

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 associated with jolts that you can experience in your clutch pedal, then the stop/fork release/blades grouping is degraded. In fact, this noise often comes from the broken fork that no longer allows the system to function normally.

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

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