Experiencing noises from your car very often is never relaxing, so discovering air conditioning noises on your Mercedes Benz S Class can be a concern. This symptom may be a sign of a moderate problem as well as a warning of a much larger repair to come. In any case, it is very important to investigate its source and take the required actions to solve the issue, it is with this in mind that we decided to produce this document to help you understand it better. We will first look at the possible causes for noise in the ventilation of your Mercedes Benz S Class. Then, in a second part, we will concentrate on the noises related to the air conditioning of your car.air-conditioning-noise-mercedes-benz-s-class

Noise air conditioning Mercedes Benz S Class : most general origin coming from general ventilation

Loud noise or roar from ventilation or fan of your Mercedes Benz S Class

Experiencing a air conditioning noise on Mercedes Benz S Class is never pleasing, and can make your journeys especially uncomfortable. 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 thumping noise from the air conditioning of your Mercedes Benz S Class is a concern that must be dealt with. This noise is very often associated with a worn or dirty fan motor. To be sure that the issue is created by the ventilation, we advise that you open the ventilation of the issue area and examine the state of the fan, possibly grease it first, and if this is not sufficient, it will certainly have to be replaced.

I hear an air conditioning noise clicking Mercedes Benz S Class

We will now check out the clicking air con sounds you may hear from your ventilation. A clicking noise from Mercedes Benz S Class air conditioning is often caused by a duct or fan blocked by a foreign body. This noise is expected to increase as the air flow in the circuit raises up. Bear 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 remains, take your car to your mechanic.

I listen an hissing air conditioning noise Mercedes Benz S Class

Finally, if you acknowledge a whistling noise in the ventilation of your Mercedes Benz S Class, it may be that the source of it is related to a fan that has shifted or is beginning to dry . In any case, you will need to examine the fan in question to visually check its state. The easiest option is to open the ventilation circuit again, and rotate 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 answer is to replace it. If you have a whistling noise but are not sure if it is related to ventilation, we suggest you to check out this article about front end noise on Mercedes Benz S Class to find its source.

I hear an air conditioning Mercedes Benz S Class noise : precisely caused by your air con system

Slamming noise air conditioning Mercedes Benz S Class

We will now check out the specified part of the air conditioning side of your heater fans and the source of the noise it can release. A clicking noise in your air conditioning, if it is brief and when you start it only signifies a good function of your air conditioning compressor which lights up, this noise can be loud. However, if you hear a clicking noise or air conditioning scrap metal on your regular Mercedes Benz S Class, you will have to be concerned in this case. In fact, it can state an air conditioning compressor clutch, or compressor itself that needs to be swapped. So have your auto technician check its proper process.

Pshhh noise / hissing air conditioning Mercedes Benz S Class

If you experience pshhhh or whistling noise on the air condition side of your heater fan on Mercedes Benz S Class, but in cooling mode, you have two possibilities to explain this issue. In fact, at first, the most likely reason is that your air conditioning equipment 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 Benz S Class and the issue should be fixed. Otherwise, you may experience a system leak and this psshhh or hiss may be related to the gas escaping 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 auto technician.