Watching your automobile is essential in these modern times, indeed, if you do not do the minimum service of it, or if you do not take into account signals of abnormality, you strongly risk to observe your car getting in bad conditions. This is exactly the subject we are gonna focus on in this article, one of the indications that most disturbs drivers is the ABS warning light on Mercedes Classe S. In an attempt to help you review this warning light, we will first take a look at what this ABS warning light corresponds to, then in a second how to handle it if the ABS light is on Mercedes Classe S?.

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What does the ABS light on Mercedes Classe S mean?

We will start our paper with the definition of an ABS warning light on Mercedes Classe S, to do this, in first, we will find out what an ABS is, and afterwards, why the ABS light on your car lights up.

What is the ABS on Mercedes Classe S?

To start with, it is essential to describe to you what the ABS of your Mercedes Classe S is utilized for so that you can understand the rest of this guideline. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The aim of this system is to lower 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 S is made from different components, here they are:

  • Speed sensors on each wheel, which will review 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 S

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In reality, you can with ease experience 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 enables, it will optimise braking to the maximum by relating 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 S

Now we move on to the section that you are likely more interested in, meaning of an ABS warning light on a Mercedes Classe S? First of all, it is an orange light, so if it is on it suggest that your ABS system is faulty. You should be conscious that whenever the ABS warning light is on, the ABS will be put into safety mode, so you should adjust your driving and not take any risks. Here are the different problems that the ABS warning light on your Mercedes Classe S can show:

  • It could be a simple short circuit, a damaged wiring harness, a faulty relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A breakdown of one of them triggers the ABS light on your Mercedes Classe S to turn on
  • The ABS hydraulic block of your Mercedes Classe S: If it is faulty 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 problem, being the center of all decisions made to run your ABS, the light will unavoidably turn on.

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

We will now move on to the section where we will try to give you some answers to switch off this light, and thus answer the following question, what to do if the ABS light is on on my Mercedes Classe S?. The answers will might depend on the failures you are experiencing. First of all, pass your Mercedes Classe S to the diagnostic tool, if you don’t know how to read a fault code on Mercedes Classe S, don’t be reluctant to examine our guideline which points out the steps to take. Once you have determined the cause of your issue, here are the steps to take to resolve it and turn off the ABS light on your Mercedes Classe S:

  • Trouble of the ECU or the hydraulic block: It can only be altered, and in this case, you will have to go through a professional, 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 spotted an electrical issue with your manometer, if it’s only a fuse or a relay, count around 10€ maximum, otherwise you’ll have to repair the wiring harness.
  • A faulty sensor: Occasionally a simple cleaning of the sensors will be enough to solve the issue, otherwise changing a sensor can cost up to a few hundred euros.

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