If you detect a noise on your car, you are right to feel concerned about this and take it seriously, although it is possible that nothing severe will result from it, it is also imaginable that it is the first indication of a more important repair. A noise that appears on a door of your Mercedes Classe S fortunately indicates a slight correction / repair, instead of a difficult repair. In order to help you in your approach, we have chosen to publish this article to provide you the most likely solutions to your issue. Primary, we will examine the different source noises of air in the door of your Mercedes Classe S, then hinge noises and finally at other possible possibilities.door-noise-mercedes-classe-s

Door air noise Mercedes Classe S

Plastic air cache noise

If you encounter air noise on the doors of your Mercedes Classe S, it is plausible that it is linked to some plastic covers on the interior walls of your door. These can come loose, hole, fall and thus develop an air intake that will obviously make a serious and disagreeable air noise in the passenger compartment. To verify that you don’t have this issue on your Mercedes Classe S, open your doors and examine 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 S can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a defensive 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 create a perfect seal between the door and the car body. To examine its condition, there are two techniques, 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 technician to have your seal changed and the door noise on your Mercedes Classe S adjusted.

Hinge noise door hinge Mercedes Classe S

Door noise Mercedes Classe S, dry hinge

It is also possible, according to the kind of of noise you know, 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 S 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 issue.

Noise porte Mercedes Classe S, worn hinge

If you have followed our initial advice referring to your hinge, but the issue still continues, it is conceivable that your hinge is worn out and necessitates a swap. In this circumstance, 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 S 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 S, we can first think of the window lift, in fact, after the hinge, it is the second advanced mechanism of the door. If damaged, it can create vibration or even air noise. To examine 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 S door noise would come from a from your vehicle’s audio speakers. Indeed, 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 process, 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 check your car in more detail to discover what the particular issue is that you know.