If you find out about a noise on your car, you are right to worry about that and take it seriously, although it is possible that nothing significant will result from it, it is also imaginable that it is the first signal of a more important repair. A noise that appears on a door of your Mercedes Classe C 3 fortunately signifies a slight adjustment / repair, instead of a complicated repair. In order to help you in your approach, we have decided to publish this content to provide you the most likely possibilities to your trouble. First, we will check out the different source noises of air in the door of your Mercedes Classe C 3, then hinge noises and finally at other possible possibilities.door-noise-mercedes-classe-c-3

Door air noise Mercedes Classe C 3

Plastic air cache noise

If you experience air noise on the doors of your Mercedes Classe C 3, 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 generate an air intake that will inevitably generate a distinctive and annoying air noise in the passenger compartment. To ensure that you don’t have this issue on your Mercedes Classe C 3, open your doors and inspect 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 C 3 can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a defensive 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 generate a perfect seal between the door and the car body. To examine its state, 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 mechanic to have your seal exchanged and the door noise on your Mercedes Classe C 3 adjusted.

Hinge noise door hinge Mercedes Classe C 3

Door noise Mercedes Classe C 3, dry hinge

It is 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 examine it by opening your door and checking that the door noise on your Mercedes Classe C 3 comes from a hinge that is too dry. To resolve this trouble, first try to grease the hinge, in most cases this is sufficient to solve your issue.

Noise porte Mercedes Classe C 3, worn hinge

If you have followed our primary advice relating to your hinge, but the issue still persists, it is possible that your hinge is worn out and requires a change. In this circumstance, examine that despite the lubrication it still makes a lot of noise when opening and closing. You should feel a “clack” and restraint in the movement. If this Mercedes Classe C 3 noise is your problem, change your hinge.

Other possibilities

Internal part of the damaged window regulator

In the other possibilities that can provoke door noise on Mercedes Classe C 3, we can first think of the window lift, actually, after the hinge, it is the second sophisticated mechanism of the door. If damaged, it can provoke vibration or even air noise. To examine its state, remove the door trim and check that no parts are broken.

unscrewed speaker

Finally, one of the last plausible scenarios for Mercedes Classe C 3 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 significant vibration and risk damaging themselves if you do not secure them again. Same procedure, 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 mechanic who can check your car in more detail to discover what the particular issue is that you know.