Keeping an eye on your vehicle is very important nowadays, in reality, if you do not do the minimum maintenance of it, or if you do not take into account alerts of abnormality, you strongly risk to observe your car getting in bad conditions. This is precisely the topic we are gonna focus on today, one of the signs that most disturbs drivers is the ABS warning light on Mercedes Classe E 5. In an attempt to help you analyze this warning light, we will first look at what this ABS warning light corresponds to, then in a second what you can do if the ABS light is on Mercedes Classe E 5?.

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What does the ABS light on Mercedes Classe E 5 signify?

We will start our content with the definition of an ABS warning light on Mercedes Classe E 5, for this, in first, we will find out what an ABS is, and later on, why the ABS light on your car lights up.

What is the ABS on Mercedes Classe E 5?

First of all, it is fundamental to demonstrate to you what the ABS of your Mercedes Classe E 5 is used for so that you can understand the remaining of this content. The ABS (Anti-lock Braking System) is a system that prevents the wheels of your car from locking during braking. The goal 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 E 5 is made up of several components, here they are:

  • Speed sensors on each wheel, which will evaluate if one of the wheels locks up.
  • A hydraulic system and valves that will manage the pressure of the pads on the discs to manage 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 E 5

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The fact is, you can very easily come to 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 behaviour that ABS allows, it will optimise braking to the maximum by relating the phases of pressure on the brake discs and the phases of discharge to prevent the wheels from locking up.

Meaning of an ABS light on Mercedes Classe E 5

Now we move on to the part that you are certainly more keen on, meaning of an ABS warning light on a Mercedes Classe E 5? Firstly, it is an orange light, so if it is on it shows that your ABS system is defective. You should be conscious that whenever the ABS warning light is on, the ABS will be put into security mode, so you should adapt your driving and not take any risks. Here are the different problems that the ABS warning light on your Mercedes Classe E 5 can show:

  • It could be a simple short circuit, a broken wiring harness, a defective relay or fuse. Use a pressure gauge to check it.
  • A malfunctioning ABS sensor: A breakdown of one of them causes the ABS light on your Mercedes Classe E 5 to come on
  • The ABS hydraulic block of your Mercedes Classe E 5: If it is defective it is possible that the indicator light will turn on 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 operate your ABS, the light will obviously come on.

What if the ABS light turns on on my Mercedes Classe E 5?

We will now move on to the part where we will try to give you some answers to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Mercedes Classe E 5?. The answers will might depend on the failure you are experiencing. Firstly, pass your Mercedes Classe E 5 to the diagnostic tool, if you don’t know how to read a fault code on Mercedes Classe E 5, don’t be reluctant to read our content which points the steps to take. Once you have identified the cause of your problem, here are the steps to take to solve it and turn off the ABS light on your Mercedes Classe E 5:

  • Issue of the ECU or the hydraulic block: It can only be adjusted, and in this case, you will have to go through a professional, but if it’s dead, it could cost you around 1000€ to change the ECU and 1500 to 2000€ if you have to change both of them.
  • Electrical problem: Once you’ve identified an electrical problem 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 defective sensor: Sometimes a simple cleaning of the sensors will be enough to fix the problem, otherwise changing a sensor can cost up to a few hundred euros.

To find more tips on the Mercedes Classe E 5, take a look at the Mercedes Classe E 5 category.