Think about yourself driving quietly on board your Mercedes Classe Cls and all of a sudden an engine warning light shows up on your dashboard ! The most common response is worries of risking a serious trouble. To know what precisely this light corresponds to, you will have to learn how to read an Mercedes Classe Cls fault codes, you may have already read about OBD system, this is exactly what we are going to focus on. Our writers have decided to write this article to help you fairly quickly discover the origin of this default code and to give you reassurance. To achieve this, we will first examine the nature of a fault code on Mercedes Classe Cls, then how to read an Mercedes Classe Cls 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 Classe Cls fault code?

A fault code is a generic or standard code common to all automotive companies , they are also identified as DTC (Data Trouble Code), the purpose is to guarantee that any diagnostic OBD can interpret them. They will be represented by a standard format, such as example: P0255. Each data will have a special meaning. Default codes are codes issued by the calculators of your Mercedes Classe Cls. These ECUs will constantly monitor your vehicle’s exhausts, pressures, mixtures and when the values exceed the limits set by the vehicle’s ECU, the fault code will emerge. The advantage of understanding how to read a fault code on your Mercedes Classe Cls is that you will have access to complete statistics about your vehicle which will enable you to discover what concern you are standing in front of.

How to read a fault code on my Mercedes Classe Cls?

In this second part we will now focus precisely on what brings you on this website, how to read a fault code on Mercedes Classe Cls. To discover this useful data you will need to to purchase a diagnostic tool, also referred to as OBD 2, named after the socket on your Mercedes Classe Cls 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 bought an OBD2 diagnostic reader, you will have to identify the diagnostic plug on your Mercedes Classe Cls, it is located 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 Classe Cls.

How to erase the fault code Mercedes Classe Cls

Finally, to conclude this article content, we are going to explain you the manipulation to perform to erase a fault code on your Mercedes Classe Cls. 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 essential question, is it really useful to erase this fault code on Mercedes Classe Cls? Indeed, erasing a fault code without dealing with the trouble corresponds to burying its head in the sand. In addition, the computer of your Mercedes Classe Cls is made to take resolutions according to the data it collects, if a very important fault code is present, it will likely modify the engine overall performance to preserve it. So if you delete the fault code, be sure you solve the problem to which it is connected. 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 Classe Cls.

If you wish more tutorials on the Mercedes Classe Cls, go to our Mercedes Classe Cls category.