If you too have previously experienced a squeaky noise on Mercedes A class, you must have had the same questions as all Mercedes A class owners. We are never reassured when a squeaky noise happens on our vehicle. As we are aware of your doubts and questions, we decided to produce this article in order to assist you in your research and simplify the search for a solution to your issue. To do this, first of all we will see what the sources of a squeaking noise on Mercedes A class are when you turn the wheel, then those of a squeaking noise when you brake, if you have a squeaking noise on Mercedes A class that comes from the shock absorbers and to finish from one of your doors.squeaking-noise-mercedes-a-class

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

First, we will check out the squeaking noises on Mercedes A class that happen when you turn the wheel of your vehicle. Here are the main origins:

  • If you are subject to squeaking noises on your Mercedes A class while turning , it may be related to your vehicle’s hydraulic system that runs the whole power steering system . In this case, the main point to check is the level of power steering fluid, which if below the regular level could be a sign of a system leak. In this case, remember to redo the level and check it regularly. In case the problem persists, go to the mechanic.
  • A squeaking noises while turning the steering wheel of your Mercedes A class can also result from premature wear and tear on your bearings . Indeed, bearings play an essential role in 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 top speed, it can cause squeaking sounds if they are worn. Remember to check their condition.
  • Finally, a sound during the steering of your Mercedes A class 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 really is working properly. If this kind of squeaky noise doesn’t originate from those points, don’t hesitate to reading our article about all the origins of a squeaky noise on Mercedes A class while turning.

I hear a squeaking noise on Mercedes A class when braking

If you discover a squeaking noise from the brakes of your Mercedes A class, it is very possible that it is linked to brake pads at the end of their life, in fact, the function of the pads is to act as a buffer during braking and they will therefore be damaged over time. Each manufacturer gives an average life time in kilometres for pads but according to 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 affect your discs. If, despite verification, your squeaking noise on Mercedes A class does come from your brakes but is not related to the pads, check this article to discover the other possible sources of noise from breaks of Mercedes A class.

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

If you are in the position where you discern the squeaking noise on Mercedes A class

  • 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 undergo uncommon wear and tear on one of the seals. This would end result in an oil leak

with each compression.
Once you have tested all these points, you should have found the origin of your issue, go to your auto mechanic to repair the defective part. If you have not found the origin of your issue, we recommend that you take a look at this article which covers all possible origins of all possible origins of shock absorber noise on Mercedes A class.

I hear a squeaking noise on Mercedes A class at a door

It’s possible, based on the style of sound you notice, that the hinge of your door may be at the starting point 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 A class comes from a hinge that is too dry. To correct the problem, first try to grease the hinge. Generally this action is sufficient to resolve your issue. If that’s not enough, don’t hesitate to take a look at this complete article on door noises on Mercedes A class.