It is never pleasant to listen to a sound that you don’t know where it originates from. So, what if you specify a gearbox noise that remains on your Mercedes Classe A 4? It is most likely to be a small matter, but before making sure of that, it is best to conduct a few checks. Our staff has written this content to help you to solve it. First, we will see what the sources and different gearbox noises can be on Mercedes Classe A 4, and second, what are the solutions accessible to you. gearbox-noise-mercedes-classe-a-4

The different noises and their sources

A gearbox / your transmission is the significant component of the transmission, it is coupled to the clutch that will release the engine pressure on the gearbox mechanisms. Listening noises from your Mercedes Classe A 4’s gearbox is rarely a good sign, its fix is practically unachievable to execute due to the lack of special garages and its replacing involves a heavy expense. The gain is that generally its life expectancy after a first noise is actually quite long, which offers you time to program the fix, but it is crucial to check instantly what is your specific matter.

Your Mercedes Classe A 4 transmission produces noise in neutral

If you experience a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal components 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 generates sound, the pinions must already be at the end of their life.

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

If you are unluckily the subject of squeaks, or humming noises when you change the gears of your Mercedes Classe A 4, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this sound is not restricted to passing the first gear and keep going when you drive and shift other gears. This is most likely a signal 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 suggest you to consult this article in order to find the causes and solutions to a clutch noise on Mercedes Classe A 4.

You experience a whinning or hummin sound from the gearbox of your Mercedes Classe A 4

Finally, if you hear a noise close to a humming or whinning sound on the transmssion of your Mercedes Classe A 4, it is very often the case that the gearbox of your Mercedes Classe A 4 lacks oil. Indeed, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will produce chips or metal dust that will mix with the oil and develop even greater resistance to mechanisms that are already worn out, a snowball effect will show up if you do not fairly quickly replace the oil. In this case the oil should be black and your can can smell burning. Occasionally this type of noises will be linked to a release bearing on Mercedes Classe A 4, don’t hesitate to go to our article.

The solutions available if you experience a gearbox noise on your Mercedes Classe A 4

  • Verify the gearbox oil of your Mercedes Classe A 4 via the level gauge and consider replacing it if the oil is black
  • Use the double clutch to try to make it last till you’re able to swap 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 professionals have the capacity to replace damaged parts in your own system, they will almost always offer you a standard exchange.