If you detect a noise on your car, you are right to get worried about that and take it seriously, although it is possible that nothing major will result from it, it is also imaginable that it is the first indication of a more important repair. A noise that shows up on a door of your Mercedes Classe A 4 fortunately shows a slight adjustment / repair, instead of a difficult repair. In order to help you in your procedure, we have decided to write this document 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 A 4, then hinge noises and finally at other possible possibilities.
Door air noise Mercedes Classe A 4
Plastic air cache noise
If you experience air noise on the doors of your Mercedes Classe A 4, it is possible that it is linked to some plastic covers on the interior sides of your door. These can come loose, hole, fall and thus generate an air intake that will obviously generate a significant and disagreeable air noise in the passenger compartment. To verify that you don’t have this issue on your Mercedes Classe A 4, open your doors and check the sides of them carefully, see if all the covers are properly positioned.
Air noise seal
Air noise at the doors of your Mercedes Classe A 4 can also be connected to a gasketfailing or overused. In fact, the door seal, in addition to have a protective purpose 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 provide a perfect seal between the door and the car body. To verify its condition, 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 penetrates. If you are in this case, go to your auto technician to have your seal changed and the door noise on your Mercedes Classe A 4 adjusted.
Hinge noise door hinge Mercedes Classe A 4
Door noise Mercedes Classe A 4, dry hinge
It is possible, depending 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 verify it by opening your door and checking that the door noise on your Mercedes Classe A 4 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 resolve your issue.
Noise porte Mercedes Classe A 4, worn hinge
If you have followed our primary advice regarding your hinge, but the issue still lasts, it is conceivable that your hinge is worn out and necessitates a swap. In this case, verify that despite the lubrication it still creates a lot of noise when opening and closing. You should feel a “clack” and restraint in the movement. If this Mercedes Classe A 4 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 A 4, we can first think of the window lift, indeed, after the hinge, it is the second complex system of the door. If weakened, it can provoke vibration or even air noise. To verify its condition, remove the door trim and check that no parts are broken.
unscrewed speaker
Finally, one of the last possible possibilities for Mercedes Classe A 4 door noise would come from a from your vehicle’s speakers. In fact, they take place in the door and can, over time, loosen and generate a heavy vibration and risk damaging themselves if you do not fix them again. Same technique, 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 auto technician who can check your car in more detail to discover what the particular issue is that you know.
