If you find a noise on your automobile, you are right to be attentive of it and take it seriously, although it is possible that nothing serious will results, it is also possible that it is the sign of a more important repair. A noise that shows up in the trunk of your Mercedes Classe A 3 is luckily more a indication of a small adjustment or restoration, rather than a difficult one. To help you in your research, we have chosen to generate this content to present you with the most likely solutions to your issue. First we will see that this trunk noise on your Mercedes Classe A 3 can come from accumulated dirt, the issue can also come from a loose lock and finally, it can even come from a simple rivet that sits inside your bumper.
Noise in the trunk Mercedes Classe A 3 : Accumulated dirt that causes poor closing
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We will therefore start with a trunk noise on your Mercedes Classe A 3 caused by dirt accumulated on your joints, lock for example. In fact, it is possible that on a automobile that is already a few years old and whose cleaning is not always a top priority or that the roads used are not very clean that dirt accumulates at the trunk gasket. This issue causes a poor closure of the trunk and a noise that can sound like a crack. To examine if you are in this circumstance, open the trunk of your Mercedes Classe A 3, verify the condition of the gasket that goes around the entire tailgate and clean it with a wet/soap cloth, dry the whole thing and try to close the trunk and take a dentred road to see the impact. If this is not the case, continue to the other hypotheses that will probably give a solution. It is possible however that you have a trunk noise on your Mercedes Classe A 3 that is connected to other sources such as shock absorbers, do not hesitate to consult this content on the noises at the back of a Mercedes Classe A 3.
Noise in the trunk of my Mercedes Classe A 3 : Loose lock, clicking noise
Second probability, you may also, over time, be the victim of a locking system that became loose. And this is one of the most probably alternatives. In fact, knowing a trunk noise on your Mercedes Classe A 3 is very frequently connected to this issue. Some solutions are existing to you subject to the level of play you have with your lock. The first is that occasionally the offset is minimal and a simple greasing of the mechanism with thick grease is enough to solve the problem. Secondly, it is also possible that you really have a lot of play on your lock and that each time the trunk “jumps”, in which circumstance you would have to take off the cover that enables access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, just push it back a little towards the inside of the trunk and tighten it again. Remember to examine the centering of the striker in regards to the trunk lock. If after checking the trunk of your Mercedes Classe A 3 closes badly, it means that you have moved it too far, replicate the operation by pushing the striker less.
Noise in my trunk Mercedes Classe A 3 : Rivet following plate change in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate change you were unfortunate and that a piece of rivet fell at the rear of your plate. In fact, when a plate change is made, to take off the old one the process used is to drill the existing rivets to be able to put out the license plate. Sadly, it can happen that part of the rivet falls into the hole of the bumper and it will therefore wander inside the bumper and can cause an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Mercedes Classe A 3 linked to a rivet, you will need to examine that it is in the tailgate open it and stir it to distinguish the noise. If this is your case, you will have to remove the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more unpleasant case, you will have to take off the bumper to remove the bits of rivet that are running around.
