It is never pleasurable to find out a sound that you don’t know where it comes from. So, what if you identify a gearbox noise that persists on your Mercedes A class? It is most likely to be a small issues, but before making sure of that, it is best to conduct a few verifications. Our staff has made this content to support you to solve it. First, we will see what the sources and different gearbox noises can be on Mercedes A class, and second, what are the solutions available to you. gearbox-noise-mercedes-a-class

The different noises and their origins

A gearbox / your transmission is the essential element of the transmission, it is coupled to the clutch that will release the engine tension on the gearbox mechanisms. Listening noises from your Mercedes A class’s gearbox is rarely a good sign, its fix is nearly unachievable to accomplish due to the lack of reliable garages and its replacing demands a heavy expense. The gain is that generally its life expectancy after a first noise is actually quite long, which gives you time to program the fix, but it is crucial to examine instantly what is your exact issues.

Your Mercedes A class transmission generates noise in neutral

If you experience a gearbox noise even when you are in neutral, it means that the gearbox’s internal elements are already well worn and that you will have to change it quickly. Indeed, if you are not even with a gear on and it causes sound, the pinions must already be at the end of their life.

You perceive a squeaking, a humming noise at the time of the gear shift

If you are sadly hearing squeaks, or humming noises when you switch the gears of your Mercedes A class, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this noise is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely an indication of a gearbox which is nearly good to be change. If you have the feeling after looking at that the noise comes from the clutch and not the gearbox, we advise you to have a look at this article to be able to find the causes and solutions to a clutch noise on Mercedes A class.

You experience a whinning or hummin sound from the gearbox of your Mercedes A class

Finally, if you perceive a noise close to a humming or whinning sound on the transmssion of your Mercedes A class, it is very often the case that the gearbox of your Mercedes A class lacks oil. Indeed, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will make chips or metal dust that will mix with the oil and create even greater resistance to mechanisms that are already worn out, a snowball effect will appear if you do not quickly change the oil. In this situation the oil should be black and your can can smell burning. On occasion this sort of noises will be linked to a release bearing on Mercedes A class, don’t hesitate to have a look at our article.

The solutions existing if you experience a gearbox noise on your Mercedes A class

  • Check the gearbox oil of your Mercedes A class via the level gauge and consider swapping it if the oil is black
  • Use the double clutch to try to make it last till you’re able to change the gearbox, this will limit the already advanced wear of your gearbox and limit the wear of the pinions.
  • Start looking for a second-hand or new gearbox, very few mechanics have the capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.