Some problems on our vehicles seem trivial but can be frustrating, such as a window that no longer goes down. Others, regardless if they are not critical, will block you from using your car in a ordinary way, such as having a flat tire or having the fuel cap of your Mercedes Classe E 4 stuck. You will no longer have the capacity to fill your tank and therefore finally not be able to use your vehicle. It is exactly for this purpose that we have written this article content to enable you find a quick answer to your fuel cap issue so that you can use your car normally. To achieve this, we will first try to understand why the fuel cap of your Mercedes Classe E 4 is blocked, and secondly, how to unblock it.


Why is the fuel cap on my Mercedes Classe E 4 stuck?

So let’s start our article content with the origins of your tank cap problem on Mercedes Classe E 4. We will try to show you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my Mercedes Classe E 4

In the event that your car is equipped with a tank cap with lock you will be in the most difficult scenario, because the locks of these caps can get gripped with time and prevent you from being able to access the access of your tank. It is as well possible that the lock of your tank has twisted and no longer responds to the key of your Mercedes Classe E 4.

Conventional fuel cap stuck on my Mercedes Classe E 4

Second case, and the most basic, in the case of a classic tank cap that has no lock and is normally protected by a closed fuel door, if you have blocking problems on this kind of cap, it is frequently only caused by a cap that has not been closed in the axis and the thread of the latter is therefore blocked.
<2>How do I unlock the fuel cap on my Mercedes Classe E 4?

Second section of our article content, we will try to give you the different possibilities to get rid of your fuel cap stuck on your Mercedes Classe E 4 and let you to put petrol in your car. If you are victim of a fuel trap blocked on your Mercedes Classe E 4, do not think twice to have a look at our article content on this subject to unlock it.

Use some anti-seize agent to unlock your fuel cap of your Mercedes Classe E 4

First solution and the one you should consider first. You have the possibility to unseal your stuck fuel cap, to get this done you will need to use a WD40 anti-seize type product to lubricate the barrel of your cap. Don’t be reluctant to put some in quantity and wait a few minutes for it to take effect, and try once again to open the fuel cap of your Mercedes Classe E 4. If it does not work, replicate the procedure and let it work for a longer period.

Use the duplicate key to unlock the fuel tank lock of your Mercedes Classe E 4

As a second option, you can try to use your spare key, which normally being much less employed should more easily unlock the lock on the tank cap of your Mercedes Classe E 4. This may seem evident but in certain cases it all comes down to small details. No matter the reason, if you have been able to open your tank, we recommend you to buy a new tank cap to avoid getting stuck in this condition again.

Shake the key while trying to open the tank of your Mercedes Classe E 4

Finally, last method, you can try to play the key in the lock of the fuel cap of your Mercedes Classe E 4 to facilitate the opening of it. In fact, if the cylinder is a little seized up or destroyed, it will unlock quicker by moving the key in different axes simultaneously as you try to rotate it.

In the event that you have any further questions about the Mercedes Classe E 4, do not hesitate to consult our Mercedes Classe E 4 category.