Experiencing noises from your vehicle very often is never enjoyable, so experiencing air conditioning noises on your Mercedes Classe A 3 can be a matter. This sign may be a sign of a moderate issue as well as a warning of a much bigger service to come. In any case, it is very important to investigate its source and take the required measures to correct the issue, it is with this in mind that we decided to prepare this document to support you understand it better. We will first look at the possible causes for noise in the ventilation of your Mercedes Classe A 3. Then, in a second step, we will focus on the noises linked to the air conditioning of your vehicle.air-conditioning-noise-mercedes-classe-a-3

Noise air conditioning Mercedes Classe A 3 : most common origin coming from general ventilation

Loud noise or roar from ventilation or fan of your Mercedes Classe A 3

Experiencing a air conditioning noise on Mercedes Classe A 3 is never satisfying, and can make your trips especially annoying. Ventilation is important whether it is in winter to defog your windscreen or to cool down the car during the summer. In any circumstance, having a muffled noise from the air conditioning of your Mercedes Classe A 3 is a matter that must be solved. This noise is very often connected with a worn or dirty fan motor. To ensure that that the issue is generated by the ventilation, we suggest that you open the ventilation of the issue region and check out the condition of the fan, possibly grease it first, and if this is not enough, it will most certainly have to be substituted.

I perceive an air conditioning noise like a click Mercedes Classe A 3

We will now check out the clicking air con noises you may perceive from your ventilation. A clicking noise from Mercedes Classe A 3 air conditioning is often the result of a duct or fan obstructed by a foreign body. This noise is likely to build up as the air flow in the circuit gets larger. Maintain in mind to check 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 issue remains, take your vehicle to your mechanic.

I perceive an hissing air conditioning noise Mercedes Classe A 3

Finally, if you know a whistling noise in the ventilation of your Mercedes Classe A 3, it may be that the origins of it is linked to a fan that has shifted or is commencing to dry . In any case, you will need to look at the fan in question to visually check its condition. The easiest method is to open the ventilation circuit again, and rotate the circuit 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 remedy is to change it. If you have a whistling noise but are not sure if it is linked to ventilation, we encourage you to check out this content about front end noise on Mercedes Classe A 3 to discover its origin.

I perceive an air conditioning Mercedes Classe A 3 noise : specifically caused by your air con system

Slamming noise air conditioning Mercedes Classe A 3

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 make. A clicking noise in your air conditioning, if it is short and when you start it only means a good functioning 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 A 3, you will have to be concerned in this case. Indeed, it can announce an air conditioning compressor clutch, or compressor itself at the end of its life. So have your mechanic check its proper performance.

Pshhh noise / hissing air conditioning Mercedes Classe A 3

If you fell pshhhh or whistling noise on the air condition side of your heater fan on Mercedes Classe A 3, but in cooling mode, you have two possibilities to explicate this issue. Indeed, at first, the most likely reason is that your air conditioning system is running out of gas, to check 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 A 3 and the issue should be fixed. Otherwise, you may experience a system leak and this psshhh or hiss may be linked to the gas getting away from the unit. 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.