Listening noises from your vehicle often is never comfortable, so hearing air conditioning noises on your Mercedes Classe Cls can be a issues. This manifestation may be a sign of a insignificant trouble as well as a warning of a much significant repair to come. In any case, it is very important to analyze its source and take the required actions to solve the issue, it is with this in mind that we wanted to compose this article to help you understand it better. We will first look at the conceivable reasons for noise in the ventilation of your Mercedes Classe Cls. Then, in a second part, we will deal with the noises related to the air conditioning of your vehicle.
Noise air conditioning Mercedes Classe Cls : most general causes coming from general ventilation
Loud noise or roar from ventilation or fan of your Mercedes Classe Cls
Listening a air conditioning noise on Mercedes Classe Cls is never pleasant, and can make your travels especially distressing. Ventilation is useful whether it is in winter to defog your windscreen or to cool down the car during the summer. In any case, having a loud noise from the air conditioning of your Mercedes Classe Cls is a issues that must be solved. This noise is very often connected to a worn or dirty fan motor. To be sure that the issue is generated by the ventilation, we would suggest that you open the ventilation of the issue location and check the state of the fan, possibly grease it first, and if this is not sufficient, it will most certainly have to be swapped.
I perceive an air conditioning noise clicking Mercedes Classe Cls
We will now look at the clicking air con noises you may perceive from your ventilation. A clicking noise from Mercedes Classe Cls air conditioning is often caused by a duct or fan obstructed by a foreign body. This noise is expected to build up as the air flow in the circuit raises. Maintain in mind to check the cleanness of your air inlets at the top of your hood, for example. You will then have to open the conduit in question and find the foreign body. If the issue is persistant, take your vehicle to your mechanic.
I notice an hissing air conditioning noise Mercedes Classe Cls
Finally, if you note a whistling noise in the ventilation of your Mercedes Classe Cls, it may be that the origin of it is associated with a fan that has shifted or is starting to dry . In any case, you will have to check out the fan in question to visually check its state. The easiest way is to open the ventilation circuit again, and turn on the system while you are observing its proper action, you can try to grease it to limit this noise, but it is very likely that the final alternative is to change it. If you have a whistling noise but are not sure if it is associated with ventilation, we recommend you to read this article about front end noise on Mercedes Classe Cls to find its origin.
I perceive an air conditioning Mercedes Classe Cls noise : specially based on your air con system
Slamming noise air conditioning Mercedes Classe Cls
We will now take a look at the precise part of the air conditioning side of your heater fans and the origins of the noise it can emit. A clicking noise in your air conditioning, if it is short and when you start it only means a good working of your air conditioning compressor which lights up, this noise can be loud. In contrast, if you perceive a clicking noise or air conditioning scrap metal on your regular Mercedes Classe Cls, you will have to be concerned in this case. Indeed, it can announce an air conditioning compressor clutch, or compressor itself that needs to be replaced. So have your repair shop check its proper performance.
Pshhh noise / hissing air conditioning Mercedes Classe Cls
If you detect pshhhh or whistling noise on the air condition side of your heater fan on Mercedes Classe Cls, but in cooling mode, you have two alternatives to explicate this issue. Indeed, at first, the most likely solution is that your air conditioning unit is running out of gas, to check it you should feel that the cold it has to emit is no longer as low as before, if so, have your air conditioning system charged on your Mercedes Classe Cls and the issue should be fixed. Otherwise, you may knowledge a system leak and this psshhh or hiss may be associated with the gas getting out from the device. You can check out the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your vehicle to your repair shop.
