Imagine yourself driving calmly on board your Mercedes Benz GLS Class and abruptly an engine signal appears on your dashboard ! The most frequent response is the fear of risking a severe trouble. To know what precisely this light corresponds to, you will have to learn how to read an Mercedes Benz GLS Class fault codes, you may have already read about OBD system, this is precisely what we are going to take a look at. Our editors have chosen to publish this content to enable you fairly quickly find the source of this default code and to give you peace of mind. To achieve this, we will first take a look at the nature of a fault code on Mercedes Benz GLS Class, then how to read an Mercedes Benz GLS Class fault code, and finally how to erase this fault code in order to turn off the light on your dashboard.

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What is a Mercedes Benz GLS Class fault code?

A fault code is a universal or standard code which is identical to all manufacturers , they are also called DTC (Data Trouble Code), the point is to ensure that any diagnostic OBD can interpret them. They will be symbolized by a standard format, like for example: P0255. Each info will have a particular explanation. Default codes are codes issued by the calculators of your Mercedes Benz GLS Class. These ECUs will continuously 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 Benz GLS Class is that you will have gain access to to specific info about your motor vehicle which will enable you to discover what concern you are facing.

How to read a fault code on my Mercedes Benz GLS Class?

In this second part we will now focus precisely on what brings you on the website, how to read a fault code on Mercedes Benz GLS Class. To access this valuable info you will need to to purchase a diagnostic tool, also referred to as OBD 2, named after the socket on your Mercedes Benz GLS Class to which you will have to connect. These diagnostic tools are freely available for purchase, 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 acquired an OBD2 diagnostic reader, you will need to locate the diagnostic plug on your Mercedes Benz GLS 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 Benz GLS Class.

How to erase the fault code Mercedes Benz GLS Class

Finally, to conclude this content, we are going to explain you the process to execute to erase a fault code on your Mercedes Benz GLS 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 good to erase this fault code on Mercedes Benz GLS Class? Indeed, erasing a fault code without dealing with the trouble is like burying its head in the sand. Moreover, the computer of your Mercedes Benz GLS Class is made to take resolutions according to the data it records, if a very important fault code is present, it will actually modify the engine overall performance to protect it. So if you delete the fault code, make sure 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 Benz GLS Class.

If you need more tutorials on the Mercedes Benz GLS Class, go to our Mercedes Benz GLS Class category.