If you too already have experienced a squeaky noise on Mercedes Classe A 4, you must have had the same questions as all Mercedes Classe A 4 owners. We are never reassured when a squeaky noise shows up on our car. As we are aware of your concerns and questions, we decided to compose this post in order to assist you in your research and facilitate the search for a solution to your issue. To do this, first we will see what the sources of a squeaking noise on Mercedes Classe A 4 are when you turn the wheel, then those of a squeaking noise when you brake, if you have a squeaking noise on Mercedes Classe A 4 that comes from the shock absorbers and to finish from one of your doors.squeaking-noise-mercedes-classe-a-4

I hear a squeaking noise on Mercedes Classe A 4 when I turn the wheel

First, we will look at the squeaking noises on Mercedes Classe A 4 that take place when you turn the wheel of your vehicle. Here are the main origins:

  • If you are subject to squeaking noises in your Mercedes Classe A 4 while turning , it may be related to your vehicle’s hydraulic system that operates the complete power steering system . In this case, the main point to check is the level of power steering liquid, which if below the normal level could be a sign of the system leak. In this case, make sure to redo the level and check it regularly. If the problem persists, go to the mechanic.
  • A squeaking sound while turning the steering wheel of your Mercedes Classe A 4 can also result from premature wear and tear in your bearings . Indeed, bearings play an essential role inside the good behaviour of the car when driving. When you turn at low speed and bring the steering to a stop, the pressure on the bearings is higher than at high speed, it can cause squeaking noises if they are worn. Remember to check their condition.
  • Finally, a sound during the steering of your Mercedes Classe A 4 may be related to a tired power steering pump . The purpose of this product is to operate the steering belt, which will allow you to take advantage of the power steering. If the pump is tired, its operation will be damaged and squeaks may show up between it and the belt . Remember to check that it can be working properly. If this kind of squeaky noise doesn’t result from those points, don’t hesitate to read our article about all the origins of a squeaky noise on Mercedes Classe A 4 while turning.

I hear a squeaking noise on Mercedes Classe A 4 when braking

If you listen to a squeaking noise from the brakes of your Mercedes Classe A 4, it is very plausible that it is linked to brake pads at the end of their life, in fact, the role of the pads is to act as a buffer during braking and they will therefore be damaged over time. Every manufacturer gives an average life time in kilometres for pads but depending on your driving style and route this can differ. Take off the wheels concerned and check the wear indicator on them. If they are dead you will have to change them quickly because they will quickly damage your discs. If, despite verification, your squeaking noise on Mercedes Classe A 4 does come from your brakes but is not related to the pads, check this post to find out the other possible sources of noise from breaks of Mercedes Classe A 4.

I hear a squeaking noise on Mercedes Classe A 4 at the shock absorbers

If you are in the position where you identify the squeaking noise on Mercedes Classe A 4

  • You are subject to an oil leak at a shock absorber, it is up to you to check that there is no oil leaking from your shock absorbers.
  • You may suffer unusual wear and tear on one of the seals. This would direct result in an oil leak

with each compression.
Once you have inspected all these elements, you should have found the source of your problem, go to your auto mechanic to repair the defective part. If you have not identified the source of your problem, we suggest that you take a look at this article which covers all possible origins of all possible origins of shock absorber noise on Mercedes Classe A 4.

I hear a squeaking noise on Mercedes Classe A 4 at a door

It is possible, according to the style of sound you notice, that the hinge of your door may be at the source of these. If this is the case, you will have to check it by opening your door and listening although the squeaking noise on your Mercedes Classe A 4 comes from a hinge that is too dry. To eliminate the problem, first try to grease the hinge. Generally this process is sufficient to eliminate your problem. If that’s not enough, don’t hesitate to take a look at this complete article on door noises on Mercedes Classe A 4.