If you encounter a noise on your car, you are right to be concerned about it and take it seriously, although it is possible that nothing serious will come from it, it is also conceivable that it is the first signal of a more significant repair. A noise that appears on a door of your Mercedes Classe Cls fortunately indicates a slight change / repair, rather than a complicated repair. In order to help you in your procedure, we have chosen to write this article to provide you the most likely solutions to your issue. Primary, we will look at the different origin noises of air in the door of your Mercedes Classe Cls, then hinge noises and finally at other possible possibilities.
Door air noise Mercedes Classe Cls
Plastic air cache noise
If you experience air noise on the doors of your Mercedes Classe Cls, it is possible that it is linked to some plastic covers on the inside walls of your door. These can come loose, hole, fall and thus develop an air intake that will inevitably create a serious and unpleasant air noise in the passenger compartment. To verify that you don’t have this trouble on your Mercedes Classe Cls, open your doors and examine 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 Cls can also be linked to a gasketfailing or overused. In fact, the door seal, in addition to have a defensive function against moisture infiltration, also has a protective function 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 check its state, there are two methods, 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 Cls adjusted.
Hinge noise door hinge Mercedes Classe Cls
Door noise Mercedes Classe Cls, dry hinge
It is also possible, based on the type 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 Cls 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 trouble.
Noise porte Mercedes Classe Cls, worn hinge
If you have followed our initial advice relating to your hinge, but the trouble still persists, it is plausible that your hinge is worn out and necessitates a change. In this circumstance, check that despite the lubrication it still causes a lot of noise when opening and closing. You should feel a “clack” and restraint in the movement. If this Mercedes Classe Cls noise is your problem, change your hinge.
Other possibilities
Internal part of the broken window regulator
In the other possibilities that can create door noise on Mercedes Classe Cls, we can first think of the window lift, indeed, after the hinge, it is the second sophisticated system of the door. If weakened, it can provoke 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 Cls 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 heavy vibration and risk damaging themselves if you do not secure 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 car to your mechanic who can test your car in more detail to discover what the particular trouble is that you know.
