Watching your automobile is important in these days, indeed, 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 observe your car getting in bad conditions. This is precisely the topic we are gonna talk about on this webpage, one of the signs that most perturbs drivers is the ABS warning light on Mercedes A class. 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 you can do if the ABS light is on Mercedes A class?.
What does the ABS light on Mercedes A class mean?
We will commence our content with the definition of an ABS warning light on Mercedes A class, to do this, in first, we will find out what an ABS is, and soon after, why the ABS light on your car lights up.
What is the ABS on Mercedes A class?
To start with, it is essential to demonstrate to you what the ABS of your Mercedes A class is intended 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 purpose 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 A class is made from different elements, 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 A class
In fact, you can very easily feel how your car’s ABS works. If you have to steer, you will find that your car will brake by pawing, this is exactly 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 discharge to prevent the wheels from locking up.
Meaning of an ABS light on Mercedes A class
Now we go forward to the section that you are most probably more curious about, meaning of an ABS warning light on a Mercedes A class? Firstly, it is an orange light, so if it is on it means that your ABS system is faulty. You should be knowledgeable that once the ABS warning light is on, the ABS will be put into security mode, so you should change your driving and not take any risks. Here are the different problems that the ABS warning light on your Mercedes A class can show:
- It could be a simple short circuit, a damaged wiring harness, a faulty relay or fuse. Use a pressure gauge to verify it.
- A malfunctioning ABS sensor: A failure of one of them motives the ABS light on your Mercedes A class to come on
- The ABS hydraulic block of your Mercedes A class: 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 operate your ABS, the light will unavoidably come on.
What if the ABS light comes on on my Mercedes A class?
We will now go forward to the section where we will try to give you some solutions to shut off this light, and thus answer the following question, what to do if the ABS light is on on my Mercedes A class?. The solutions will be contingent on the deficiencies you are going through. Firstly, pass your Mercedes A class to the diagnostic tool, if you don’t know how to read a fault code on Mercedes A class, don’t think twice to examine our content which points the steps to take. Once you have found the origin of your issue, here are the steps to take to solve it and turn off the ABS light on your Mercedes A class:
- 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 spotted 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 faulty sensor: Often a simple cleaning of the sensors will be enough to resolve the issue, in any other case changing a sensor can cost up to a few hundred euros.
If you need more guides on the Mercedes A class, go to our Mercedes A class category.