It is never enjoyable to notice a sound that you don’t know where it comes from. So, what if you detect a gearbox noise that remains on your Mercedes Cla? It is most likely to be a minor concern, but before making sure of that, it is best to carry out a few checks. Our team has written this content to help you to resolve it. First, we will see what the sources and different gearbox noises can be on Mercedes Cla, and second, what are the solutions available to you. 
The several noises and their origins
A gearbox / your transmission is the essential element of the transmission, it is linked to the clutch that will release the engine pressure on the gearbox systems. Hearing noises from your Mercedes Cla’s gearbox is rarely a good signal, its fix is nearly unachievable to accomplish due to the lack of reliable garages and its replacement demands a heavy expense. The advantage is that generally its life expectancy after a first noise is quite long, which provides you time to prepare the fix, but it is fundamental to verify instantly what is your precise concern.
Your Mercedes Cla transmission makes 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 replace it in short order. In fact, if you are not even with a gear on and it produces sound, the pinions must already be at the end of their life.
You acknowledge a squeaking, a humming noise at the time of the gear shift
If you are regrettably feeling squeaks, or humming noises when you change the gears of your Mercedes Cla, 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 replace. If you have the feeling after examining that the noise comes from the clutch and not the gearbox, we recommend you to have a look at this article to be able to find the causes and solutions to a clutch noise on Mercedes Cla.
You experience a whinning or hummin sound from the gearbox of your Mercedes Cla
Finally, if you acknowledge a noise close to a humming or whinning sound on the transmssion of your Mercedes Cla, it is very often the case that the gearbox of your Mercedes Cla lacks oil. In fact, if it lacks oil, the components will be exposed and grind agaisnt each other. In addition, each of its contacts will create 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 happen if you do not fairly quickly replace the oil. In this situation 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 Cla, don’t hesitate to look at our article.
The solutions available if you feel a gearbox noise on your Mercedes Cla
- Verify the gearbox oil of your Mercedes Cla via the level gauge and reflect on swapping 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 mechanics have the ability to replace damaged parts in your own system, they will almost always offer you a standard exchange.
