Paying attention to your car is important in the present day, in reality, if you do not do the minimum routine service of it, or if you do not take into consideration signs of abnormality, you firmly risk to see your motor vehicle becoming unpleasant to use. This is exactly the theme we are going to focus on today, one of the indications that most disturbs car owners is the key indicator light on Mercedes Benz M Class dash . To try to help you analyze this light, first we will see what this key light on Mercedes Benz M Class points, then in a second what to do if the key light is lit on Mercedes Benz M Class? .

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What does the key light on Mercedes Benz M Class indicate?

So we begin our content with the meaning of a key indicator light on Mercedes Benz M Class 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 objective of this light is to notify you that it’s time to service your Mercedes Benz M Class , nevertheless, this light can also have other meanings, even dozens of them. To find the source of this problem the best remedy will be to run your Mercedes Benz M Class through the diagnostic too l, if you don’t know how to do this process, you can locate all the needed information to conduct this act in our dedicated content. We will try in the following list to give you the maximum information on the most important warning announcements 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 Benz M Class, here is the process to do this small reset of the key light of your car.
  • Oil level problem: It is possible that the oil level sensor is revealing that the oil level is too low.
  • EGR Valve: Another opportunity is that the key light on your Mercedes Benz M Class is on because your EGR valve is dirty, often 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 cause of an orange wrench light on Mercedes Benz M Class is that your glow plugs are getting tired.

What if the orange key light on Mercedes Benz M Class is on?

We are now going to move on to the second part of our content and try to present you the solutions to each of the complications described in the previous part and consequently what to do if I find out the wrench light on your Mercedes Benz M Class? To get this done, we will take turns answering each of the complications you might face:

  • Reset the drain indicator light: As we outlined previously, a simple reset of the indicator light on your Mercedes Benz M Class will be enough to turn off the key indicator and restart it for a cycle of 10 000km or 1 year, see our content to conduct this operation.
  • Oil level problem: This is a very basic problem and the easiest to correct. You will simply have to verify your oil level, we suggest you to take the opportunity to verify all your oil levels.
  • EGR Valve: In the circumstance 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 problem, you can try to clean your car by pushing the gears (hot engine), otherwise disassemble and clean the EGR valve of your Mercedes Benz M Class, we done a tutorial to help you to do it. In any other case, go to a garage and prepare to pay a few hundred euros.
  • Glow plugs: Finally, if your problem comes from your glow plugs, the process to replace them is quite simple and you won’t need more than 40 euros worth of glow plugs.

There, you now know everything about the wrench light on Mercedes Benz M Class , we hope this content has helped you solve your problem.

To discover more tips on the Mercedes Benz M Class, take a look at the Mercedes Benz M Class category.