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 major will results, it is also possible that it is the symptom of a more important restoration. A noise that occurs in the trunk of your Mercedes Benz CLA Class is fortunately more a indication of a small adjustment or service, rather than a complicated one. To help you in your research, we have decided to generate this content page to present you with the most likely solutions to your issue. First we will see that this trunk noise on your Mercedes Benz CLA Class can come from built up 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 Benz CLA Class : Built up dirt that triggers poor closing
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We will therefore begin with a trunk noise on your Mercedes Benz CLA Class triggered 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 main concern or that the roads used are not very clean that dirt collects at the trunk gasket. This issue triggers a poor closure of the trunk and a noise that can sound like a crack. To check if you are in this situation, open the trunk of your Mercedes Benz CLA Class, check the state of the gasket that runs 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 difference. 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 Benz CLA Class that is relating to other origins such as shock absorbers, do not hesitate to have a look to this content page on the noises at the back of a Mercedes Benz CLA Class.
Noise in the trunk of my Mercedes Benz CLA Class : Loose lock, clicking noise
Second possibility, you may also, over time, be the victim of a locking system that became loose. And this is one of the most likely possibilities. In fact, knowing a trunk noise on your Mercedes Benz CLA Class is very often relating to this issue. Several solutions are available to you depending on the level of play you have with your lock. The first is that sometimes the offset is minimal and a simple greasing of the mechanism with thick grease is more than enough to eliminate 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 permits 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 check the centering of the striker in relation to the trunk lock. If after verifying the trunk of your Mercedes Benz CLA Class closes badly, it means that you have moved it too far, duplicate the process by pushing the striker less.
Noise in my trunk Mercedes Benz CLA Class : Rivet following plate swap in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate swap you were unfortunate and that a piece of rivet fell behind your plate. In fact, when a plate swap is done, to take out the old one the process used is to drill the existing rivets in order to release the license plate. Unfortunately, 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 generate an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Mercedes Benz CLA Class linked to a rivet, you will need to check that it is in the tailgate open it and stir it to distinguish the noise. If this is your case, you will have to take out the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more embarrassing case, you will have to take out the bumper to remove the bits of rivet that are running around.
