Keeping an eye on your vehicle is essential in these modern times, in reality, if you do not do the minimal maintenance of it, or if you do not consider signs of abnormality, you strongly risk to see your car withering away. This is exactly the theme we are going to speak about today, one of the signs that most interferes with motorists is the key indicator light on Mercedes Classe Cls dash . To try to help you analyze this light, first we will see what this key light on Mercedes Classe Cls points, then in a second what to do if the key light is lit on Mercedes Classe Cls? .

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What does the key light on Mercedes Classe Cls indicate?

So we begin our article with the meaning of a key indicator light on Mercedes Classe Cls dash , it may be that furthermore to the key you have the logo of a car next to it. Take note that the most important action of this light is to inform you that it’s time to service your Mercedes Classe Cls , however, this light can also have other explanations, even dozens of them. To find the source of this issue the best remedy will be to run your Mercedes Classe Cls through the diagnostic too l, if you don’t know how to do this process, you can find all the necessary information to execute this act in our dedicated article. We will try in the following list to give you the maximum information on the most important warning information it can send you:

  • An oil change conducted without resetting the indicator: If you have done your oil change by yourself, it is probably that you have not thought of resetting the oil change indicator of your Mercedes Classe Cls, here is the process to do this small reset of the key light of your car.
  • Oil level issue: It is possible that the oil level sensor is suggesting that the oil level is too low.
  • EGR Valve: Another opportunity is that the key light on your Mercedes Classe Cls is on because your EGR valve is dirty, frequently the case if you are driving short distances or not pushing the gears of your vehicle.
  • Glow plugs: At last, the last and most basic trigger of an orange wrench light on Mercedes Classe Cls is that your glow plugs are getting tired.

What if the orange key light on Mercedes Classe Cls is on?

We are now going to move on to the second part of our article and try to present you the solutions to each of the problems described in the previous part and therefore what to do if I find out the wrench light on your Mercedes Classe Cls? To achieve this, we will take turns answering each of the problems you might face:

  • Reset the drain indicator light: As we mentioned before, a very easy reset of the indicator light on your Mercedes Classe Cls will be enough to turn off the key indicator and restart it for a cycle of 10 000km or 1 year, see our article to execute this process.
  • Oil level issue: This is a very basic issue and the easiest to correct. You will simply have to examine your oil level, we recommend you to take the opportunity to check all your oil levels.
  • EGR Valve: In the case of a light that comes on because of the EGR valve, you will need to have the points of this fault code through the diagnostic tool. Once you are sure of the source of the issue, you can try to clean your car by pushing the gears (hot engine), in any other case disassemble and clean the EGR valve of your Mercedes Classe Cls, we made a tutorial to help you to do it. In any other case, go to a mechanic and prepare to pay a few hundred euros.
  • Glow plugs: Finally, if your issue comes from your glow plugs, the process to replace them is quite very easy and you won’t need more than 40 euros worth of glow plugs.

There, you now know everything about the wrench light on Mercedes Classe Cls , we hope this article has helped you solve your issue.

If perhaps you have any additional questions about the Mercedes Classe Cls, do not hesitate to consult our Mercedes Classe Cls category.