Discovering noises from your car very often is never comfortable, so discovering air conditioning noises on your Mercedes Cla can be a matter. This warning sign may be a sign of a moderate problem as well as a warning of a much bigger fix to come. In any case, it is very important to investigate its source and take the required actions to correct the trouble, it is with this in mind that we wanted to create this article to help you understand it better. We will first look at the plausible reasons for noise in the ventilation of your Mercedes Cla. Then, in a second step, we will deal with the noises relating to the air conditioning of your car.air-conditioning-noisemercedes-cla

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

Loud noise or roar from ventilation or fan of your Mercedes Cla

Discovering a air conditioning noise on Mercedes Cla is never satisfying, and can make your travels specifically unpleasant. Ventilation is important whether it is in winter to warm up or defog or to cool down the car during the summer. In any circumstance, having a dull noise from the air conditioning of your Mercedes Cla is a matter that must be treated. This noise is very often connected to a worn or dirty fan motor. To ensure that that the trouble is induced by the ventilation, we would suggest that you open the ventilation of the trouble area and look at the state of the fan, possibly grease it first, and if this is not enough, it will certainly have to be changed.

I perceive an heater fan noise click Mercedes Cla

We will now check out the clicking noises you may perceive from your ventilation. A clicking noise from Mercedes Cla heater fan is often caused by a duct or fan clogged by a foreign body. This noise is likely to enhance as the air flow in the circuit gets larger. Keep 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 trouble continues, take your car to your garage.

I read an hissing heater fan noise Mercedes Cla

Finally, if you find out a whistling noise in the ventilation of your Mercedes Cla, it may be that the source of it is linked to a fan that has shifted or is starting to dry . In any case, you will need to inspect the fan in question to visually check its state. The easiest way is to open the ventilation circuit again, and rotate the circuit while you are watching its proper action, you can try to grease it to limit this noise, but it is very likely that the final remedy is to change it. If you have a whistling noise but are not sure if it is linked to ventilation, we suggest you to browse this document about front end noise on Mercedes Cla to find its source.

I perceive an heater fan Mercedes Cla noise : specific air conditioning

Slamming noise air conditioning Mercedes Cla

We will now check out the precise part of the air conditioning side of your heater fans and the origins of the noise it can release. 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 Cla, you will have to get worried in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself at the end of its life. So have your technician check its proper performance.

Pshhh noise / hissing air conditioning Mercedes Cla

If you hear pshhhh or whistling noise on the air condition side of your heater fan on Mercedes Cla, but in cooling mode, you have two possibilities to explain this trouble. In fact, at first, the most likely solution is that your air conditioning unit is running out of gas, to check it you should experience that the cold it has to produce is no longer as low as before, if so, have your air conditioning system charged on your Mercedes Cla and the trouble should be fixed. On the other hand, you may knowledge a system leak and this psshhh or hiss may be linked to the gas getting away from the system. You can check out the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your car to your technician.