When you notice unusual noises on your Mercedes Benz GL Class you have a tendency to get worried. Especially when you feel a noise coming from the release bearing of your Mercedes Benz GL Class. It is immediately assimilated to an engine trouble and can therefore be serious. As we know that you do not take these concerns lightly, we have decided to make this article content to help you find the triggers and free yourself from this concern as quickly as possible. To do this, we will first concentrate on the purpose 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 GL Class and their origins.release-bearing-noise-mercedes-benz-gl-class

What is the function and operation of the release bearing on Mercedes Benz GL Class?

Function of the release bearing on Mercedes Benz GL Class

The release bearing of your Mercedes Benz GL Class has a essential purpose in the operation of your entire gearbox system. Indeed, 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 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 GL Class.

Action of release bearing Mercedes Benz GL Class

Let’s now look at the technical side, the release bearing is composed of two units, a first fixed part that slides only when the stop is pulled, or pushed (determined by 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 GL Class :

  • Pulled release bearing
  • It is the most unconventional of the two variants of release bearing . This one, compared with 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 technical, is the version most used in contemporary cars. It is however more complex than the pulled release bearing. Indeed, it will be composed of a hydraulic tube that will receive the pressure right from the clutch pedal.
    More conventional clutch stop

Release bearing noises Mercedes Benz GL Class and their origins

I feel a release bearing noise on Mercedes Benz GL Class each time I drive and it stops when I release my clutch pedal

If you feel a noise from your gearbox, release bearing or clutch itself when your engine is running, but it ends when you press your clutch pedal, this noise often sounds like a bell noise, it is highly plausible 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 Benz GL Class.

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

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

I feel a grinding noise coming from the release bearing of my Mercedes Benz GL 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 related 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 Benz GL Class, then you probably have a leak coming from your release bearing. It must therefore be changed promptly or risk damaging your gearbox in addition to the clutch. If you have a noise coming from the gearbox of your Mercedes Benz GL Class and it’s not from your release bearing, check this article to have more informations.