Experiencing noises from your vehicle very often is never pleasant, so experiencing air conditioning noises on your Mercedes Classe Cls can be a issues. This manifestation may be a sign of a slight trouble as well as a warning of a much significant repair to come. In any case, it is very important to check out its source and take the required measures to solve the trouble, it is with this in mind that we desired to publish this page to support you understand it better. We will first look at the possible causes for noise in the ventilation of your Mercedes Classe Cls. Then, in a second part, we will look into the noises linked to the air conditioning of your vehicle.air-conditioning-noisemercedes-classe-cls

Noise air conditioning Mercedes Classe Cls : most regular triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your Mercedes Classe Cls

Experiencing a air conditioning noise on Mercedes Classe Cls is never satisfying, and can make your journeys particularly annoying. Ventilation is useful whether it is in winter to warm up or defog 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 dealt with. This noise is very often relating to a worn or dirty fan motor. To be sure that the trouble is triggered by the ventilation, we recommend highly that you open the ventilation of the trouble region and check the state of the fan, possibly grease it first, and if this is not sufficient, it will almost certainly have to be changed.

I hear an heater fan noise like a click Mercedes Classe Cls

We will now take a look at the clicking noises you may hear from your ventilation. A clicking noise from Mercedes Classe Cls heater fan is often brought on by a duct or fan blocked by a foreign body. This noise is supposed to build up as the air flow in the circuit gets larger. Please remember to verify the cleanliness 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 trouble remains, take your vehicle to your garage.

I experience an hissing heater fan noise Mercedes Classe Cls

Finally, if you experience a whistling noise in the ventilation of your Mercedes Classe Cls, it may be that the origin of it is related to a fan that has shifted or is beginning to dry . In any case, you will need to look at the fan in question to visually verify its state. The easiest process is to open the ventilation circuit again, and turn on the system while you are watching its proper operation, you can try to grease it to limit this noise, but it is very likely that the final solution is to change it. If you have a whistling noise but are not sure if it is related to ventilation, we advise you to check with this document about front end noise on Mercedes Classe Cls to discover its origin.

I hear an heater fan Mercedes Classe Cls noise : specific air conditioning

Slamming noise air conditioning Mercedes Classe Cls

We will now take a look at the particular part of the air conditioning side of your heater fans and the source of the noise it can make. A clicking noise in your air conditioning, if it is quick and when you start it only signifies a good function of your air conditioning compressor which lights up, this noise can be loud. On the other hand, if you hear a clicking noise or air conditioning scrap metal on your regular Mercedes Classe Cls, you will have to feel concerned in this case. Indeed, it can state an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your mechanic verify its proper performance.

Pshhh noise / hissing air conditioning Mercedes Classe Cls

If you are subject to 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 explain this trouble. Indeed, at first, the most likely cause is that your air conditioning equipment is running out of gas, to verify it you should experience that the cold it has to produce is no longer as cold as before, if so, have your air conditioning system charged on your Mercedes Classe Cls and the trouble should be fixed. On the other hand, you may knowledge a system leak and this psshhh or hiss may be related to the gas getting out from the device. You can test the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your vehicle to your mechanic.