It is never enjoyable to notice a sound that you don’t know where it comes from. So, what if you specify a gearbox noise that remains on your Mercedes Classe M? It is most likely to be a minimal matter, but before making sure of that, it is best to execute a few verifications. Our staff has made up this content page to support you to solve it. First, we will see what the sources and different gearbox noises can be on Mercedes Classe M, and second, what are the solutions accessible to you. 
The several noises and their sources
A gearbox / your transmission is the essential part of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox systems. Experiencing noises from your Mercedes Classe M’s gearbox is rarely a good sign, its fix is practically unimaginable to carry out due to the lack of reliable garages and its replacing necessitates a heavy expense. The benefit is that generally its life expectancy after a first noise is quite long, which provides you time to program the fix, but it is fundamental to verify quickly what is your exact matter.
Your Mercedes Classe M transmission generates noise in neutral
If you experience a gearbox noise even when you are in neutral, it denotes that the gearbox’s internal elements are already well worn and that you will have to swap it in short order. Indeed, if you are not even with a gear on and it produces noise, the pinions must already be at the end of their life.
You experience 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 M, it is unfortunately a good bet that it is your gears that are starting to fatigued. If this sound is not limited 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 swap. If you have the feeling after checking that the noise comes from the clutch and not the gearbox, we recommend you to have a look at this content in order to find the origins and solutions to a clutch noise on Mercedes Classe M.
You experience a whinning or hummin sound from the gearbox of your Mercedes Classe M
Finally, if you experience a noise close to a humming or whinning sound on the transmssion of your Mercedes Classe M, it is very often the case that the gearbox of your Mercedes Classe M 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 produce even greater resistance to mechanisms that are already worn out, a snowball effect will appear if you do not fairly quickly change the oil. In this case the oil should be black and your can can smell burning. In some cases this sort of noises will be linked to a release bearing on Mercedes Classe M, don’t hesitate to look at our content.
The solutions existing if you have a gearbox noise on your Mercedes Classe M
- Check the gearbox oil of your Mercedes Classe M 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 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 technicians have the capacity to change damaged parts in your own system, they will almost always offer you a standard exchange.
