If you notice a noise on your car, you are right to feel concerned about this and take it seriously, although it is possible that nothing serious will result from it, it is also imaginable that it is the first sign of a more important service. A noise that appears on a door of your Mercedes Classe A 3 fortunately indicates a slight modification / repair, instead of a complicated repair. In order to support you in your procedure, we have chosen to write this content to provide you the most likely solutions to your problem. 1st, we will examine the different source noises of air in the door of your Mercedes Classe A 3, then hinge noises and finally at other possible possibilities.
Door air noise Mercedes Classe A 3
Plastic air cache noise
If you encounter air noise on the doors of your Mercedes Classe A 3, it is possible that it is linked to some plastic covers on the interior walls of your door. These can come loose, hole, fall and thus create an air intake that will obviously create a serious and disagreeable air noise in the passenger compartment. To confirm that you don’t have this trouble on your Mercedes Classe A 3, 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 3 can also be linked to a gasketfailing or overused. In fact, the door seal, in addition to have a protective purpose 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 provide a perfect seal between the door and the car body. To check 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 enters. If you are in this case, go to your technician to have your seal replaced and the door noise on your Mercedes Classe A 3 adjusted.
Hinge noise door hinge Mercedes Classe A 3
Door noise Mercedes Classe A 3, 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 check it by opening your door and checking that the door noise on your Mercedes Classe A 3 comes from a hinge that is too dry. To resolve this problem, first try to grease the hinge, in most cases this is enough to fix your trouble.
Noise porte Mercedes Classe A 3, worn hinge
If you have followed our first advice relating to your hinge, but the trouble still persists, it is plausible that your hinge is worn out and needs a swap. In this case, check 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 3 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 3, we can first think of the window lift, actually, after the hinge, it is the second elaborate system of the door. If weakened, it can create vibration or even air noise. To check its state, remove the door trim and check that no parts are broken.
unscrewed speaker
Finally, one of the last possible scenarios for Mercedes Classe A 3 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 serious vibration and risk damaging themselves if you do not fix 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 document, 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.
