If you discover a noise on your car, you are right to be aware of it and take it seriously, although it is conceivable that nothing severe will happen, it is also conceivable that it is the precursor to a more notable service. A window noise on Mercedes Classe Cls is luckily an indication of a small manipulation / service, rather than a complex process. To help you in your research, we have made a decision to produce this article to describe the most likely solutions to your issue. First we will talk about the window noises on Mercedes Classe Cls of clicking type, then those of squeaking type and finally the window noises on Mercedes Classe Cls that come from the window lift motor.
I notice a noise of a Mercedes Classe Cls window: clicking
A window noise on Mercedes Classe Cls can be caused by several problems, if in your case you encounter a window noise on Mercedes Classe Cls that sounds like a click, like glass for example, it is conceivable that one of your two lower glass fasteners has broken. Indeed, they are often built from polymer and their strength is not always that good. To check this you will have to remove your door pannel and check their condition. If you notice a window noise on Mercedes Classe Cls but you have the feeling that it vibrates when it is opened, it may perhaps be the wear of the seals or the position of your rubber guides that causes this play. If you notice a clicking noise on Mercedes Classe Cls, but after checking out your window is not the trigger, look this article.
I notice a squeaky Mercedes Classe Cls window noise
Second probability, you notice a window noise on Mercedes Classe Cls that looks more like a squeaking or grinding sound, in such a case, it is quite conceivable that it is a drying of the seals and/or the mechanism that is involved. Indeed, because of the sun or heat, your seals can dry up and trigger this unpleasant window noise on Mercedes Classe Cls. To reduce it, you will have to take apart the door panel and grease your seals with a non-corrosive product for plastic, it is also conceivable that it is your mechanism that triggers this noise, in such a case, the same answer but on the mechanism directly. If this squeaking noise after checking out is not from your door, have a look at this article about squeaking noises on Mercedes Classe Cls to locate the source.
I notice a noise of motor-type Mercedes Classe Cls glass
Finally, if you notice a window noise on Mercedes Classe Cls that looks like an electric motor noise when you move your window up or down, it is very likely that your window electric motor lift is at the end of its life. In most cases this should be associated with a much longer raising or opening time. Check the motor condition and have it substituted if required. If this noise is not from your window motor but from something else in your door, browse this article on door noises on Mercedes Classe Cls.
