Some problems on our vehicles seem insignificant but can be annoying, such as a window that no longer goes down. Others, even if they are not serious, will prevent you from using your car in a usual way, such as having a flat tire or having the fuel cap of your Mercedes Classe Cls stuck. You will not anymore manage to fill your tank and therefore sooner or later not be able to use your motor vehicle. It is exactly for this purpose that we have written and published this content page to enable you find a quick solution to your fuel cap issue so that you can use your car normally. To do this, we will first try to understand why the fuel cap of your Mercedes Classe Cls is blocked, and secondly, how to unblock it.


Why is the fuel cap on my Mercedes Classe Cls stuck?

So let’s commence our content page with the origins of your tank cap problem on Mercedes Classe Cls. We will try to present you the different triggers of a blockage of this one.

Fuel tank cap with locker stuck on my Mercedes Classe Cls

If your car is outfitted with a tank cap with lock you will be in the most tricky situation, because the locks of these caps can get gripped with time and stop you from accessing the entrance 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 Cls.

Conventional fuel cap stuck on my Mercedes Classe Cls

Second reason, and the most simple, in the case of a classic tank cap that has no lock and is mostly protected by a closed fuel door, if you have blocking problems on this type of cap, it is normally 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 Cls?

Second part of our content page, we will try to give you the different possibilities to get rid of your fuel cap stuck on your Mercedes Classe Cls and allow you to put petrol in your car. If you are victim of a fuel trap blocked on your Mercedes Classe Cls, do not hesitate to browse our content page on this subject to unlock it.

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

First solution and the one you should reflect on first. You have the opportunity to unseal your stuck fuel cap, to accomplish this you will need to use a WD40 anti-seize type product to lubricate the barrel of your cap. Don’t hesitate to put some in quantity and wait a couple of minutes for it to take effect, and try once again to open the fuel cap of your Mercedes Classe Cls. If it does not work, duplicate the operation and let it operate longer.

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

As a second alternative, you can try to use your spare key, which often being much less utilized should more easily unlock the lock on the tank cap of your Mercedes Classe Cls. This may seem obvious but sometimes it all comes down to small details. In any case, if you have managed to open your tank, we advise you to buy a new tank cap to avoid getting stuck in this circumstance again.

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

Finally, last alternative, you can try to play the key in the lock of the fuel cap of your Mercedes Classe Cls to facilitate the opening of it. In fact, if the cylinder is a little seized up or damaged, it will unlock easier by moving the key in different axes at the same time as you try to rotate it.

If you wish more guides on the Mercedes Classe Cls, go to our Mercedes Classe Cls category.