If you encounter a noise on your car, you are right to feel concerned about it and take it seriously, although it is possible that nothing severe will result from it, it is also imaginable that it is the first signal of a more significant repair. A noise that shows up on a door of your Mercedes Benz CLS Class fortunately reveals a slight modification / repair, instead of a complicated repair. In order to help you in your approach, we have chosen to write this article to provide you the most likely solutions to your issue. Primary, we will check out the different origin noises of air in the door of your Mercedes Benz CLS Class, then hinge noises and finally at other possible possibilities.
Door air noise Mercedes Benz CLS Class
Plastic air cache noise
If you experience air noise on the doors of your Mercedes Benz CLS Class, it is possible that it is linked to some plastic covers on the interior side panels of your door. These can come loose, hole, fall and thus develop an air intake that will obviously make a distinctive and disagreeable air noise in the passenger compartment. To ensure that you don’t have this issue on your Mercedes Benz CLS Class, 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 Benz CLS Class can also be linked to a gasketfailing or overused. Indeed, the door seal, in addition to have a defensive role 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 give a perfect seal between the door and the car body. To check its condition, there are two ways, 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 enters. If you are in this case, go to your technician to have your seal changed and the door noise on your Mercedes Benz CLS Class adjusted.
Hinge noise door hinge Mercedes Benz CLS Class
Door noise Mercedes Benz CLS Class, dry hinge
It is possible, according to the kind of 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 Benz CLS Class comes from a hinge that is too dry. To resolve this issue, first try to grease the hinge, in most cases this is sufficient to resolve your issue.
Noise porte Mercedes Benz CLS Class, worn hinge
If you have followed our primary advice referring to your hinge, but the issue still remains, it is possible that your hinge is worn out and needs a swap. In this circumstance, check that despite the lubrication it still generates a lot of noise when opening and closing. You should feel a “clack” and restraint in the movement. If this Mercedes Benz CLS Class noise is your problem, change your hinge.
Other possibilities
Internal part of the broken window regulator
In the other possibilities that can cause door noise on Mercedes Benz CLS Class, we can first think of the window lift, indeed, after the hinge, it is the second sophisticated mechanism of the door. If broken, it can cause vibration or even air noise. To check its condition, remove the door trim and check that no parts are broken.
unscrewed speaker
Finally, one of the last possible scenarios for Mercedes Benz CLS Class 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 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 car to your technician who can test your car in more detail to discover what the particular issue is that you know.
