Imagine yourself driving quietly aboard your Mercedes C class and abruptly an engine light appears on your dashboard ! The typically seen reaction is the worry of risking a major problem. To know what precisely this light refers to, you will have to learn how to read an Mercedes C class fault codes, you may have previously heard about OBD system, this is precisely what we are going to discuss. Our writers have chosen to publish this article content to enable you quickly find the origin of this default code and to give you serenity. To do this, we will first examine the nature of a fault code on Mercedes C class, then how to read an Mercedes C class fault code, and finally how to erase this fault code to be able to turn off the light on your dashboard.

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What is a Mercedes C class fault code?

A fault code is a universal or standard code common to all automotive companies , they are also named DTC (Data Trouble Code), the point is to be sure that any diagnostic OBD can interpret them. They will be symbolized by a standard format, like for example: P0255. Each info will have a special interpretation. Default codes are codes issued by the calculators of your Mercedes C class. These ECUs will constantly monitor your vehicle’s emissions, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will appear. The benefit of knowing how to read a fault code on your Mercedes C class is that you will have be able to access to precise data about your car which will let you to understand what trouble you are struggling with.

How to read a fault code on my Mercedes C class?

In this second part we will now focus specifically on what brings you here, how to read a fault code on Mercedes C class. To gain access to this precious info you will need to to acquire a diagnostic tool, also called OBD 2, named after the socket on your Mercedes C class to which you will have to connect. These diagnostic tools are easily available, you will be able to find some in Bluetooth version which connects to your phone and some standard versions with a reader associated to the socket, as far as price is concerned, you will be able to find models between 30 and 100 euros. Once you have purchased an OBD2 diagnostic reader, you will have to discover the diagnostic plug on your Mercedes C class, it is established on the left side of your steering column on the lower part of your dashboard, behind a hatch. It is easy to locate because it is triangular shaped and has 16 pins. All you have to do is connect with your diagnostic tool to read the fault code of your Mercedes C class.

How to erase the fault code Mercedes C class

Finally, to conclude this article, we are going to describe you the methode to perform to erase a fault code on your Mercedes C class. Once you have navigated through the menus, you will access the list of active fault codes on your car. Nevertheless, you will have to ask yourself an important question, is it really beneficial to erase this fault code on Mercedes C class? Absolutely, erasing a fault code without fixing the problem is like closing its eyes to the fact. Furthermore, the computer of your Mercedes C class is made to take resolutions depending to the data it records, if an important fault code is present, it will actually adapt the engine operation to preserve it. So if you erase the fault code, be sure you solve the issue to which it is linked. Some OBD diagnostic tools do not allow you to do this. You have a dedicated navigation menu on most diagnostic tools that should allow you to clear this fault code on Mercedes C class.

If you wish more guides on the Mercedes C class, go to our Mercedes C class category.