If you discover a noise on your car, you are right to get worried about that and take it seriously, although it is possible that nothing severe will result from it, it is also conceivable that it is the first signal of a more important repair. A noise that shows up on a door of your Mercedes Classe B fortunately reveals a slight change / repair, rather than a complicated repair. In order to help you in your approach, we have chosen to produce this article to provide you the most likely solutions to your issue. First of all, we will check out the different source noises of air in the door of your Mercedes Classe B, then hinge noises and finally at other possible possibilities.door-noise-mercedes-classe-b

Door air noise Mercedes Classe B

Plastic air cache noise

If you experience air noise on the doors of your Mercedes Classe B, 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 create an air intake that will obviously generate a distinctive and unpleasant air noise in the passenger compartment. To confirm that you don’t have this trouble on your Mercedes Classe B, open your doors and inspect 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 B can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a protective role against moisture infiltration, also has a protective role for air inlets in the passenger compartment. When it is worn, it will not settle and therefore no longer give a perfect seal between the door and the car body. To examine its state, there are two options, 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 goes in. If you are in this case, go to your technician to have your seal changed and the door noise on your Mercedes Classe B adjusted.

Hinge noise door hinge Mercedes Classe B

Door noise Mercedes Classe B, dry hinge

It is also possible, based on the kind of of noise you experience, that your hinge is at the origin of them. If this is the case, you will have to examine it by opening your door and checking that the door noise on your Mercedes Classe B comes from a hinge that is too dry. To correct this issue, first try to grease the hinge, in most cases this is sufficient to fix your trouble.

Noise porte Mercedes Classe B, worn hinge

If you have followed our initial advice relating to your hinge, but the trouble still lasts, it is conceivable that your hinge is worn out and necessitates a change. In this case, examine 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 B noise is your problem, change your hinge.

Other possibilities

Internal part of the damaged window regulator

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

unscrewed speaker

Finally, one of the last plausible scenarios for Mercedes Classe B door noise would come from a from your vehicle’s audio speakers. In fact, they take place in the door and can, over time, loosen and generate a distinctive vibration and risk damaging themselves if you do not attach them again. Same method, you will have to dismantle the door trim to check its correct positioning.
If you can’t find solutions among this article, don’t hesitate to take your vehicle to your technician who can look at your car in more detail to discover what the particular trouble is that you know.