Hearing noises from your car frequently is never relaxing, so discovering air conditioning noises on your Mercedes Classe E 4 can be a issues. This warning sign may be a sign of a insignificant trouble as well as a warning of a much bigger service to come. In any situation, it is very important to examine its source and take the required measures to resolve the problem, it is with this in mind that we wanted to compose this page to support you understand it better. We will first look at the conceivable causes for noise in the ventilation of your Mercedes Classe E 4. Then, in a second part, we will deal with the noises linked to the air conditioning of your car.air-conditioning-noisemercedes-classe-e-4

Noise air conditioning Mercedes Classe E 4 : most common triggers coming from general ventilation

Loud noise or roar from ventilation or fan of your Mercedes Classe E 4

Hearing a air conditioning noise on Mercedes Classe E 4 is never pleasant, and can make your journeys specifically 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 thumping noise from the air conditioning of your Mercedes Classe E 4 is a issues that must be solved. This noise is very often connected to a worn or dirty fan motor. To ensure that the problem is created by the ventilation, we recommend highly that you open the ventilation of the problem area and check out the condition of the fan, possibly grease it first, and if this is not enough, it will probably have to be substituted.

I hear an heater fan noise clicking Mercedes Classe E 4

We will now look at the clicking noises you may hear from your ventilation. A clicking noise from Mercedes Classe E 4 heater fan is often a consequence of a duct or fan obstructed by a foreign body. This noise is supposed to build up as the air flow in the circuit increases. Bear 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 problem lasts, take your car to your garage.

I perceive an hissing heater fan noise Mercedes Classe E 4

Finally, if you know a whistling noise in the ventilation of your Mercedes Classe E 4, it may be that the source of it is related to a fan that has shifted or is beginning to dry . In any situation, you will need to look at the fan that causes you problem to visually check its condition. The easiest procedure 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 alternative is to change it. If you have a whistling noise but are not sure if it is related to ventilation, we recommend you to check with this article about front end noise on Mercedes Classe E 4 to discover its origin.

I hear an heater fan Mercedes Classe E 4 noise : specific air conditioning

Slamming noise air conditioning Mercedes Classe E 4

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 brief and when you start it only represents a good running of your air conditioning compressor which lights up, this noise can be loud. In contrast, if you hear a clicking noise or air conditioning scrap metal on your regular Mercedes Classe E 4, you will have to worry in this situation. In fact, it can announce an air conditioning compressor clutch, or compressor itself that needs to be changed. So have your mechanic check its proper operation.

Pshhh noise / hissing air conditioning Mercedes Classe E 4

If you discover pshhhh or whistling noise on the air condition side of your heater fan on Mercedes Classe E 4, but in cooling mode, you have two options to explicate this problem. In fact, at first, the most likely reason is that your air conditioning equipment is running out of gas, to check it you should encounter 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 E 4 and the problem should be fixed. On the other hand, you may experience a system leak and this psshhh or hiss may be related to the gas getting out from the system. You can test the leak by integrating a tracer into your air conditioning system and monitoring for leaks, or more easily take your car to your mechanic.