Some concerns on our automobiles seem trivial but can be frustrating, such as a window that no longer goes down. Others, whether or not they are not dangerous, 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 Viano stuck. You will no longer be capable to fill your tank and therefore eventually not be able to use your automobile. It is exactly for this reason that we have written and published this content to help you find a rapid solution to your fuel cap trouble so that you can use your car normally. To achieve this, we will first try to understand why the fuel cap of your Mercedes Viano is blocked, and then, how to unblock it.

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Why is the fuel cap on my Mercedes Viano stuck?

So let’s start our content with the origins of your tank cap problem on Mercedes Viano. We will try to present you the different causes of a blockage of this one.

Fuel tank cap with locker stuck on my Mercedes Viano

In the event your car is outfitted with a tank cap with lock you will be in the most delicate condition, because the locks of these caps can get gripped with time and prevent you from accessing the entry of your tank. It is also possible that the lock of your tank has twisted and no longer reacts to the key of your Mercedes Viano.

Conventional fuel cap stuck on my Mercedes Viano

Second cause, and the least complicated, in the event that of a classic tank cap that has no lock and is normally protected by a closed fuel door, if you have blocking concerns on this type 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 as a result blocked.
<2>How do I unlock the fuel cap on my Mercedes Viano?

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

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

First solution and the one you should consider first. You have the opportunity to unseal your stuck fuel cap, to achieve 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 few momemts for it to take effect, and try again to open the fuel cap of your Mercedes Viano. If it does not function, duplicate the procedure and let it operate for a longer time.

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

As a second solution, you can try to use your spare key, which most of the time being much less employed should more easily unlock the lock on the tank cap of your Mercedes Viano. This may seem evident but sometimes it all comes down to small details. No matter the reason, if you have managed to open your tank, we encourage you to buy a new tank cap to avoid getting stuck in this situation again.

Shake the key while trying to open the tank of your Mercedes Viano

Finally, last option, you can try to play the key in the lock of the fuel cap of your Mercedes Viano to facilitate the opening of it. Indeed, if the cylinder is a little seized up or broken, it will unlock easier by moving the key in different axes simultaneously as you try to rotate it.

If perhaps you have any additional questions about the Mercedes Viano, do not hesitate to consult our Mercedes Viano category.