Think about yourself driving peacefully on board your Mercedes Classe S and all of a sudden an engine light appears on your dashboard ! The typically seen kind of response is worries of risking a severe issue. To know what exactly this light corresponds to, you will have to learn how to read an Mercedes Classe S fault codes, you may have already heard of OBD system, this is exactly what we are going to discuss. Our writers have chosen to publish this piece of content to enable you fairly quickly locate the source of this default code and to give you reassurance. To achieve this, we will first check out the nature of a fault code on Mercedes Classe S, then how to read an Mercedes Classe S 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 S fault code?

A fault code is a generic or standard code common to all automotive companies , they are also named DTC (Data Trouble Code), the point is to guarantee that any diagnostic OBD can translate them. They will be represented by a standard format, like for example: P0255. Each info will have a precise interpretation. Default codes are codes issued by the calculators of your Mercedes Classe S. These ECUs will continuously monitor your vehicle’s exhausts, 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 S is that you will have gain access to to specific data about your motor vehicle which will allow you to find out what trouble you are standing in front of.

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

In this second section we will now focus precisely on what brings you on the website, how to read a fault code on Mercedes Classe S. To gain access to this precious info you will need to to obtain a diagnostic tool, also referred to as OBD 2, named after the socket on your Mercedes Classe S 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 need to find the diagnostic plug on your Mercedes Classe S, it is based 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 S.

How to erase the fault code Mercedes Classe S

Finally, to finish this content, we are going to demonstrate you the process to accomplish to erase a fault code on your Mercedes Classe S. 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 productive to erase this fault code on Mercedes Classe S? In fact, erasing a fault code without dealing with the issue corresponds to closing its eyes to the fact. Furthermore, the computer of your Mercedes Classe S is made to take decisions according to the data it collects, if a vital fault code is on, it will likely adjust the engine comportment to preserve it. So if you delete the fault code, remember to solve the issue 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 S.

In the event that you have any additional questions about the Mercedes Classe S, do not hesitate to consult our Mercedes Classe S category.