If you detect a noise on your car, you are right to be concerned about this and take it seriously, although it is possible that nothing major will come from it, it is also conceivable that it is the first sign of a more significant service. A noise that appears on a door of your Mercedes Benz GLS Class fortunately signifies a slight change / repair, instead of a complex repair. In order to support you in your approach, we have chosen to write this document to provide you the most likely possibilities to your problem. First of all, we will look at the different source noises of air in the door of your Mercedes Benz GLS Class, then hinge noises and finally at other possible possibilities.door-noise-mercedes-benz-gls-class

Door air noise Mercedes Benz GLS Class

Plastic air cache noise

If you encounter air noise on the doors of your Mercedes Benz GLS Class, 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 generate an air intake that will obviously make a serious and disagreeable air noise in the passenger compartment. To validate that you don’t have this issue on your Mercedes Benz GLS Class, 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 Benz GLS Class can also be connected to a gasketfailing or overused. Indeed, the door seal, in addition to have a protecting function 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 create a perfect seal between the door and the car body. To examine 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 gets into. If you are in this case, go to your technician to have your seal replaced and the door noise on your Mercedes Benz GLS Class adjusted.

Hinge noise door hinge Mercedes Benz GLS Class

Door noise Mercedes Benz GLS Class, dry hinge

It is also possible, depending on the type of sound 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 Benz GLS Class comes from a hinge that is too dry. To solve this problem, first try to grease the hinge, in most cases this is enough to solve your issue.

Noise porte Mercedes Benz GLS Class, worn hinge

If you have followed our primary advice relating to your hinge, but the issue still lasts, it is possible that your hinge is worn out and necessitates a swap. In this case, 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 Benz GLS Class 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 Benz GLS Class, we can first think of the window lift, indeed, after the hinge, it is the second advanced mechanism of the door. If weakened, 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 possible possibilities for Mercedes Benz GLS Class 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 significant vibration and risk damaging themselves if you do not fix 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 article, don’t hesitate to take your car to your technician who can look at your car in more detail to discover what the particular issue is that you know.