How To Reset Check Engine Light in Your Mercedes-Benz by Texas Mechanic?

How To Reset Check Engine Light in Your Mercedes-Benz by Texas Mechanic?

All we know that modern cars are designed in the most sophisticated way to make you’re driving safer and comfortable. The vehicles like Mercedes-Benz have several electronic systems and the most useful among them is the onboard diagnostic system or OBD system which is used for detecting the possible malfunctions in the vehicle.

The OBD system is operated with a check engine light which is illuminated on the computer dashboard of the vehicle when it produces various inappropriate sounds or has any of the physical signs. But many of the faults are not detectable easily, so the check engine light displays it before it causes other damages.

If you want to reset the check engine light of the Mercedes-Benz, then use an OBD2 scanner for diagnosing the trouble codes first and fix it according to the problems. The following points define the way to reset the check engine light of the Mercedes-Benz.

Use an OBD2 scanner By using the OBD2 scanner you can reset the check engine light of the vehicle within seconds.

So, when the check engine light is illuminated on the dashboard, you have to follow the below steps:   

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First, connect the scanner to the OBD connector that is located under the steering portion of the vehicle. Then just switch on the ignition and keep it in ON position.

After the connection is properly placed between the computer and car, then just press the read button on the scanner for getting all the details about the trouble codes.

After the successful completion of the scanning, note down the error codes for decoding the problems of a particular make and model. Through the decoded code, all the problems in the vehicle are detected.

During the inspection, if these parts need to change, then change it or calibrate it for running it efficiently.

Once the problem is fixed, then erase the error by pressing the erase button from the scanner and switch off the ignition again.

Battery disconnection If you don’t have the OBD scanner, then reset the check engine light of the Mercedes-Benz by disconnecting the battery. Moreover, the battery disconnection technique is the most conventional way to reset the check engine light of the vehicle. For performing it efficiently, you have to follow the below steps:

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First, you have to remove the negative battery terminal of the vehicle. By pressing the horn for 20-30 seconds or turning on the lights, you can drain the electricity present in the car’s capacitor.

Once the electricity of the vehicle is disconnected, then leave it for 10 to 15 minutes.

After that reconnect the battery terminals and switch on the vehicle.

After all the processes, if you found the check engine light while restarting the vehicle, then it indicates serious problems or stores the codes anyway.

Switching the ignition on and of The most easiest and efficient way to reset the check engine light of the Mercedes-Benz is by switching the ignition on and off. In this process, you don’t need an OBD scanner and disconnection of the battery. Go through the following ways to perform it:  

In each step, you have to put the key in the ignition and switch it on and off the ignition consecutively after a second.

Once the process is completed, you will notice that the check engine light is off.

Due to any reasons, if the check engine light is still coming on, then read the error code with an OBD scanner.

Pull of the fuse and put it back The last most common way to get the check engine light to go off is by pulling the engine control unit's fuse and then put them in its place back again. Moreover, this method is only useful for few models of Mercedes-Benz. So, go through the repair manual of your vehicle for finding the correct position of the fuse to the engine control unit.

Conclusion After attempting the above 4 methods, if the check engine light glows again, then take it to a professional mechanic for inspecting your vehicle. If you are currently living nearer to Texas, then consult a reputed Mercedes-Benz mechanic for diagnosing your vehicle with a scanner to read the error code and fix it as early as possible.