If you pay attention to a noise on your car, you are right to be aware of it and take it seriously, although it is possible that nothing serious will result, it is also possible that it is the signal of a more important repair. A noise that occurs in the trunk of your Mercedes Cla is thankfully more a signal of a small correction or service, rather than a complex one. To help you in your research, we have chosen to generate this article to present you with the most likely solutions to your problem. First we will see that this trunk noise on your Mercedes Cla can come from accumulated dirt, the problem 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 Cla : Accumulated dirt that triggers poor closing
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We will therefore start with a trunk noise on your Mercedes Cla caused by dirt accumulated on your joints, lock for example. Indeed, it is possible that on a car 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 problem triggers a poor closure of the trunk and a noise that can sound like a crack. To check if you are in this scenario, open the trunk of your Mercedes Cla, examine the condition 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 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 Cla that is related to other sources such as shock absorbers, do not hesitate to consult this article on the noises at the back of a Mercedes Cla.
Noise in the trunk of my Mercedes Cla : Loose lock, clicking noise
Second possibility, you may also, over time, be the victim of a locking system that has taken up some play. And this is one of the most potential possibilities. Indeed, knowing a trunk noise on your Mercedes Cla is very often related to this problem. Several solutions are available to you depending on the level of play you have with your lock. The first is that quite often the offset is minimal and a simple greasing of the system with thick grease is more than enough to resolve 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 case you would have to remove the cover that will allow 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 regards to the trunk lock. If after checking the trunk of your Mercedes Cla closes badly, it means that you have moved it too far, duplicate the operation by pushing the striker less.
Noise in my trunk Mercedes Cla : 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 backside your plate. Indeed, when a plate swap is done, to take out the old one the strategy used is to drill the existing rivets to be able to released 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 Cla linked to a rivet, you will need to check that it is in the tailgate open it and stir it to identify 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 problematic case, you will have to take out the bumper to remove the bits of rivet that are running around.
