If you encounter a noise on your car, you are right to worry about that and take it seriously, although it is possible that nothing serious will happen from it, it is also conceivable that it is the first signal of a more important service. A noise that appears on a door of your Mercedes Classe M fortunately reveals a slight change / repair, instead of a complicated repair. In order to help you in your procedure, we have chosen to produce this content to provide you the most likely solutions to your trouble. First, we will check out the different source noises of air in the door of your Mercedes Classe M, then hinge noises and finally at other possible possibilities.door-noise-mercedes-classe-m

Door air noise Mercedes Classe M

Plastic air cache noise

If you experience air noise on the doors of your Mercedes Classe M, it is plausible that it is linked to some plastic covers on the interior sides of your door. These can come loose, hole, fall and thus produce an air intake that will obviously create a distinctive and disagreeable air noise in the passenger compartment. To verify that you don’t have this issue on your Mercedes Classe M, open your doors and check the sides of them carefully, see if all the covers are properly placed.

Air noise seal

Air noise at the doors of your Mercedes Classe M can also be connected to a gasketfailing or overused. In fact, the door seal, in addition to have a preventive 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 give a perfect seal between the door and the car body. To verify its condition, 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 goes in. If you are in this case, go to your auto technician to have your seal exchanged and the door noise on your Mercedes Classe M adjusted.

Hinge noise door hinge Mercedes Classe M

Door noise Mercedes Classe M, dry hinge

It is possible, according to the sort 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 M comes from a hinge that is too dry. To solve this trouble, first try to grease the hinge, in most cases this is enough to resolve your issue.

Noise porte Mercedes Classe M, worn hinge

If you have followed our first advice referring to your hinge, but the issue still continues, it is plausible that your hinge is worn out and needs a swap. In this circumstance, verify 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 M noise is your problem, change your hinge.

Other possibilities

Internal part of the broken window regulator

In the other possibilities that can generate door noise on Mercedes Classe M, we can first think of the window lift, actually, after the hinge, it is the second complex system of the door. If damaged, it can create 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 plausible options for Mercedes Classe M 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 distinctive vibration and risk damaging themselves if you do not secure 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 test your car in more detail to discover what the particular issue is that you know.