If you find out about a noise on your car, you are right to worry about it and take it seriously, although it is possible that nothing major will happen from it, it is also possible that it is the first indication of a more important service. A noise that appears on a door of your Mercedes Classe C fortunately signifies a slight change / repair, rather than a difficult repair. In order to help you in your approach, we have decided to publish this article to provide you the most likely possibilities to your issue. First of all, we will look at the different source noises of air in the door of your Mercedes Classe C, then hinge noises and finally at other possible possibilities.door-noise-mercedes-classe-c

Door air noise Mercedes Classe C

Plastic air cache noise

If you experience air noise on the doors of your Mercedes Classe C, it is plausible that it is linked to some plastic covers on the inside sides of your door. These can come loose, hole, fall and thus develop an air intake that will inevitably generate a significant and disagreeable air noise in the passenger compartment. To confirm that you don’t have this problem on your Mercedes Classe C, open your doors and examine the sides of them carefully, see if all the covers are properly installed.

Air noise seal

Air noise at the doors of your Mercedes Classe C can also be connected to a gasketfailing or overused. Indeed, the door seal, in addition to have a protective function against moisture infiltration, also has a protective task for air inlets in the passenger compartment. When it is worn, it will not settle and therefore no longer create a perfect seal between the door and the car body. To verify its state, there are two solutions, first, visually check the state of the seal and for the second test, install someone inside the passenger compartment and door by door, car closed, sprayed with water the seals to see if water gets into. If you are in this case, go to your mechanic to have your seal changed and the door noise on your Mercedes Classe C adjusted.

Hinge noise door hinge Mercedes Classe C

Door noise Mercedes Classe C, dry hinge

It is also possible, depending on the sort of of sound you experience, that your hinge is at the origin of them. If this is the case, you will have to verify it by opening your door and checking that the door noise on your Mercedes Classe C comes from a hinge that is too dry. To resolve this issue, first try to grease the hinge, in most cases this is sufficient to resolve your problem.

Noise porte Mercedes Classe C, worn hinge

If you have followed our first advice relating to your hinge, but the problem still remains, it is conceivable that your hinge is worn out and requires a swap. In this circumstance, verify that despite the lubrication it still produces a lot of noise when opening and closing. You should feel a “clack” and restraint in the movement. If this Mercedes Classe C noise is your problem, change your hinge.

Other possibilities

Internal part of the damaged window regulator

In the other possibilities that can generate door noise on Mercedes Classe C, we can first think of the window lift, in fact, after the hinge, it is the second complex mechanism of the door. If damaged, it can create vibration or even air noise. To verify its state, remove the door trim and check that no parts are broken.

unscrewed speaker

Finally, one of the last plausible options for Mercedes Classe C door noise would come from a from your vehicle’s speakers. Indeed, they take place in the door and can, over time, loosen and generate a significant vibration and risk damaging themselves if you do not fix them again. Same process, you will have to dismantle the door trim to check its correct positioning.
If you can’t find solutions among this document, don’t hesitate to take your vehicle to your mechanic who can check your car in more detail to discover what the particular problem is that you know.