If you detect a noise on your vehicle, you are right to be attentive of it and take it seriously, although it is plausible that nothing serious will result, it is also plausible that it is the signal of a more significant fix. A noise that happens in the trunk of your Mercedes Classe M is luckily more a indication of a small adjustment or repair, rather than a complex one. To help you in your research, we have chosen to compose this content to present you with the most likely solutions to your problem. First we will see that this trunk noise on your Mercedes Classe M can come from built up 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.trunk-noise-mercedes-classe-m

Noise in the trunk Mercedes Classe M : Accumulated dirt that causes poor closing

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We will therefore begin with a trunk noise on your Mercedes Classe M generated by dirt accumulated on your joints, lock for example. In fact, it is plausible that on a vehicle 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 accumulates at the trunk gasket. This problem 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 M, verify the state 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 improvement. If this is not the case, continue to the other hypotheses that will probably give a solution. It is plausible however that you have a trunk noise on your Mercedes Classe M 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 M.

Noise in the trunk of my Mercedes Classe M : Loose lock, clicking noise

Second possibility, you may also, over time, knowledge a locking system that has taken up some play. And this is one of the most probably alternatives. In fact, knowing a trunk noise on your Mercedes Classe M is very frequently connected to this problem. Different solutions are available to you subject to 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 appropriate to resolve the trouble. Secondly, it is also plausible 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 strip off the cover that enables access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, simply push it back a little towards the inside of the trunk and tighten it again. You should examine the centering of the striker in connection with the trunk lock. If after verifying the trunk of your Mercedes Classe M closes badly, it means that you have moved it too far, replicate the procedure by pushing the striker less.

Noise in my trunk Mercedes Classe M : 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 swap is made, to take off the old one the procedure used is to drill the existing rivets in order 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 create an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Mercedes Classe M linked to a rivet, you will need to examine that it is in the tailgate open it and stir it to discern 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 off the bumper to remove the bits of rivet that are running around.