What could be more frustrating than listening a persistent noise when driving your vehicle, whether it’s because you want to listen to your favorite radio or chat with your passengers, listening an air noise on Mercedes A class is always disturbing. It is with this in mind that we decided to write this article. In fact, our team wanted to give you the keys to resolve this persistent issue that can become frustrating in the long run. First we will look at the air noise on Mercedes A class coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes A class that is coming from doors.
I acknowledge an air noise in the cabin
if you acknowledge of an air noise on your Mercedes A class and it is located in your cabin, it may be connected to a fan that has shifted or is starting to dry . Whatever the case, you will have to check out the fan in question to visually examine its state. The easiest way is to open the ventilation circuit, 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 solution is to change it.
If you haven’t found the answers to your questions in this section but your air noise on Mercedes A class comes from your cabin, read both articles, firstly cabin noises on Mercedes A class and heater fan noises on Mercedes A class can surely support you find the cause.
I acknowledge an air noise when I accelerate with my Mercedes A class
Air noise Mercedes A class linked to an air intake hose
The first of the two possibilities that can make an air noise on Mercedes A class when accelerating and the less severe. Is that you have one of your air intake hoses that has been punctured or cracked. This failure will lead to a large and unexpected air intake . This will show itself in a loud air noise at acceleration when the air intake is running at full throttle. So examine the state of all your hoses, don’t hesitate to ask someone to accelerate while you check out the engine block to support you establish the area of origin of air noise on Mercedes A class.
Air noise Mercedes A class linked to your turbo
One of the other possible origins of your air noise on Mercedes A class is your turbo. In fact, a broken turbo will produce a sound close to an air or breath noise when it is switched on. It will be used during your acceleration phases. You may also encounter a power loss that would reveal the failure of your turbo. It is also possible that a lack of lubrication is the cause of this noise. Have it checked, and change it if necessary, if you don’t want to get your engine dirty. If your air noise on Mercedes A class manifests itself well when you accelerate at any speed, but you want more info about it or you still haven’t found the cause, browse both articles about turbo noises on Mercedes A class and noise when accelerating on Mercedes A class for more info.
I acknowledge an air noise on Mercedes A class at the doors
Air noise Mercedes A class linked to plastic door covers
If you experience air noise on the doors of your Mercedes A class, it is plausible that it is connected to some plastic covers on the interior sides of your door. These can come loose, hole, fall and thus produce an air intake that will inevitably make a serious and annoying air noise in the cabin. To ensure that you don’t have this issue on your Mercedes A class, open your doors and check the sides of them carefully, see if all the covers are properly positioned.
Air noise Mercedes A class linked to door seals
Air noise at the doors of your Mercedes A class can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a protective role against moisture infiltration, also has a protective purpose for air inlets in the passenger compartment. When it is worn, it will not settle and therefore no longer give a perfect seal between the door and the car body. To examine its state, there are two methods, first, visually examine the condition of the seal and for the second test, install someone inside the passenger compartment and door by door, car closed, sprayed with water the seals to see if water penetrates. If you are in this case, go to your auto technician to have your seal replaced and the air noises on your Mercedes A class removed. If your air noise on Mercedes A class is not resolved despite reading this part, that it is present at your doors, we advise you to consult this full article on door noises on Mercedes A class which should allow you to find the solution to your issue.
