It is never pleasurable to take notice of a sound that you don’t know where it originates from. So, what if you discover a gearbox noise that remains on your Mercedes Classe A 3? It is most likely to be a minimal matter, but before making sure of that, it is best to execute a few checks. Our team has made up this content page to help you to correct it. First, we will see what the sources and different gearbox noises can be on Mercedes Classe A 3, and second, what are the solutions available to you. 
The several noises and their sources
A gearbox / your transmission is the significant part of the transmission, it is coupled to the clutch that will release the engine force on the gearbox mechanisms. Hearing noises from your Mercedes Classe A 3’s gearbox is never a good sign, its repair is pretty much unachievable to execute due to the lack of professional mecanician and its replacement necessitates a heavy expense. The gain is that generally its life expectancy after a first noise is quite long, which offers you time to arrange the repair, but it is necessary to check instantly what is your exact matter.
Your Mercedes Classe A 3 transmission produces noise in neutral
If you experience a gearbox noise even when you are in neutral, it means that the gearbox’s internal components are already well worn and that you will have to change it quickly. In fact, if you are not even with a gear on and it causes noise, 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 unluckily experiencing squeaks, or humming noises when you switch the gears of your Mercedes Classe A 3, 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 an indication of a gearbox which is nearly good to be change. If you have the feeling after examining that the noise comes from the clutch and not the gearbox, we suggest you to have a look at this article in order to find the triggers and solutions to a clutch noise on Mercedes Classe A 3.
You experience a whinning or hummin sound from the gearbox of your Mercedes Classe A 3
Finally, if you perceive a noise close to a humming or whinning sound on the transmssion of your Mercedes Classe A 3, it is very often the case that the gearbox of your Mercedes Classe A 3 lacks oil. In fact, if it lacks oil, the elements 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 generate even greater resistance to mechanisms that are already worn out, a snowball effect will occur if you do not as soon as possible change the oil. In this situation the oil should be black and your can can smell burning. Occasionally this sort of noises will be linked to a release bearing on Mercedes Classe A 3, don’t hesitate to visit our article.
The solutions existing if you have a gearbox noise on your Mercedes Classe A 3
- Verify the gearbox oil of your Mercedes Classe A 3 via the level gauge and consider changing it if the oil is black
- Use the double clutch to try to make it last till you’re able to replace 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 technicians have the capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.
