Paying attention to your car is essential nowadays, in fact, if you do not do the minimum maintenance of it, or if you do not take into account signs of abnormality, you strongly risk to see your car withering away. This is precisely the topic we are gonna discuss on this webpage, one of the signs that most perturbs motorists is the ABS warning light on Mercedes Classe A. In an attempt to help you analyze this warning light, we will first check out what this ABS warning light corresponds to, then in a second what to do if the ABS light is on Mercedes Classe A?.

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What does the ABS light on Mercedes Classe A signify?

We will commence our article content with the meaning of an ABS warning light on Mercedes Classe A, for this, in first, we will see what an ABS is, and soon after, why the ABS light on your car lights up.

What is the ABS on Mercedes Classe A?

To begin with, it is essential to explain to you what the ABS of your Mercedes Classe A is utilized for so that you can understand the remaining of this article. The ABS (Anti-lock Braking System) is a device that prevents the wheels of your car from locking during braking. The aim of this system is to optimise the braking distance of a car by preventing the wheels from locking, sliding on the road and you losing control of your car. The ABS system of your Mercedes Classe A is composed of several components, here they are:

  • Speed sensors on each wheel, which will analyze if one of the wheels locks up.
  • A hydraulic system and valves that will control the pressure of the pads on the discs to control the braking power of the car
  • A computer that is the control center of your entire ABS system as well as the ABS light of your Mercedes Classe A

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In reality, you can simply feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is precisely the actions that ABS allows, it will optimise braking to the maximum by associating the phases of pressure on the brake discs and the phases of release to prevent the wheels from locking up.

Meaning of an ABS light on Mercedes Classe A

Now we proceed to the part that you are almost certainly more curious about, meaning of an ABS warning light on a Mercedes Classe A? To begin with, it is an orange light, so if it is on it suggest that your ABS system is defective. You should be aware that as soon as the ABS warning light is on, the ABS will be put into safety mode, so you should modify your driving and not take any risks. Here are the different problems that the ABS warning light on your Mercedes Classe A can alert:

  • It could be a simple short circuit, a damaged wiring harness, a defective relay or fuse. Use a pressure gauge to examine it.
  • A malfunctioning ABS sensor: A malfunction of one of them motives the ABS light on your Mercedes Classe A to turn on
  • The ABS hydraulic block of your Mercedes Classe A: If it is defective it is possible that the indicator light will occur and you will no longer be able to use your ABS.
  • The ABS computer: If the computer has a trouble, being the center of all decisions made to manage your ABS, the light will unavoidably turn on.

What if the ABS light activate on my Mercedes Classe A?

We will now proceed to the part where we will try to give you some solutions to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Mercedes Classe A?. The solutions will be based upon the deficiencies you are having. To begin with, pass your Mercedes Classe A to the diagnostic tool, if you don’t know how to read a fault code on Mercedes Classe A, don’t hesitate to go through our article which details the steps to take. Once you have established the source of your issue, here are the steps to take to fix it and turn off the ABS light on your Mercedes Classe A:

  • Issue of the ECU or the hydraulic block: It can only be altered, and in this situation, you will have to go through a specialist, but if it’s dead, it could cost you around 1000€ to replace the ECU and 1500 to 2000€ if you have to replace both of them.
  • Electrical issue: Once you’ve detected an electrical issue with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, in any other case you’ll have to repair the wiring harness.
  • A defective sensor: Occasionally a simple cleaning of the sensors will be enough to fix the issue, in any other case changing a sensor can cost up to a few hundred euros.

To get more tips on the Mercedes Classe A, take a look at the Mercedes Classe A category.