Imagine yourself driving peacefully aboard your Mercedes Classe E 4 and all of a sudden an engine signal shows up on your dashboard ! The most frequent response is the fear of risking a critical problem. To know what exactly this light corresponds to, you will have to learn how to read an Mercedes Classe E 4 fault codes, you may have already read about OBD system, this is exactly what we are going to focus on. Our editors have chosen to produce this content page to enable you quickly find the origin of this default code and to give you serenity. To do this, we will first check out the nature of a fault code on Mercedes Classe E 4, then how to read an Mercedes Classe E 4 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 E 4 fault code?

A fault code is a generic or standard code common to all automotive companies , they are also called DTC (Data Trouble Code), the point is to make sure that any diagnostic OBD can translate them. They will be symbolized by a standard format, like for example: P0255. Each data will have a special explanation. Default codes are codes issued by the calculators of your Mercedes Classe E 4. 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 advantage of knowing how to read a fault code on your Mercedes Classe E 4 is that you will have be able to access to complete statistics about your automobile which will let you to figure out what concern you are standing in front of.

How to read a fault code on my Mercedes Classe E 4?

In this second part we will now focus precisely on what brings you here, how to read a fault code on Mercedes Classe E 4. To discover this valuable data you will need to to purchase a diagnostic tool, also referred to as OBD 2, named after the socket on your Mercedes Classe E 4 to which you will have to connect. These diagnostic tools are freely 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 need to locate the diagnostic plug on your Mercedes Classe E 4, it is found 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 E 4.

How to erase the fault code Mercedes Classe E 4

Finally, to finish this content, we are going to demonstrate you the process to accomplish to erase a fault code on your Mercedes Classe E 4. Once you have navigated through the menus, you will access the list of active fault codes on your car. However, you will have to ask yourself an essential question, is it really advantageous to erase this fault code on Mercedes Classe E 4? Indeed, erasing a fault code without dealing with the problem corresponds to closing its eyes to the fact. Additionally, the computer of your Mercedes Classe E 4 is made to take decisions depending to the data it records, if an essential fault code is present, it will likely modify the engine general performance to protect it. So if you get rid of the fault code, remember to solve the problem 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 Classe E 4.

To find more tips on the Mercedes Classe E 4, take a look at the Mercedes Classe E 4 category.