What can be more frustrating than finding out a repeated noise when driving your automobile, whether it’s because you want to listen your favorite radio or chat with your passengers, finding out an air noise on Mercedes Classe C 4 is always annoying. It is with this in mind that we decided to produce this article. In fact, our team wanted to give you the keys to fix this recurring issue that can become frustrating in the long run. First we will look at the air noise on Mercedes Classe C 4 coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes Classe C 4 that is coming from doors.
I experience an air noise in the cabin
if you note of an air noise on your Mercedes Classe C 4 and it is situated in your cabin, it may be relating to a fan that has shifted or is starting to dry . Whatever the case, you will need to examine the fan in question to visually verify its state. The easiest method 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 answer is to swap it.
If you haven’t found the answers to your questions in this section but your air noise on Mercedes Classe C 4 comes from your cabin, read both articles, firstly cabin noises on Mercedes Classe C 4 and heater fan noises on Mercedes Classe C 4 can surely help you find the reason.
I experience an air noise when I accelerate with my Mercedes Classe C 4
Air noise Mercedes Classe C 4 linked to an air intake hose
The first of the two possibilities that can develop an air noise on Mercedes Classe C 4 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 manifest itself in a loud air noise at acceleration when the air intake is running at full throttle. So verify the state of all your hoses, don’t hesitate to ask someone to accelerate while you look at the engine block to help you establish the area of origin of air noise on Mercedes Classe C 4.
Air noise Mercedes Classe C 4 connected to your turbo
One of the other possible origins of your air noise on Mercedes Classe C 4 is your turbo. In fact, a damaged turbo will emit 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 experience a power loss that would reveal the failure of your turbo. It is also plausible that a lack of lubrication is the reason of this noise. Have it checked, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on Mercedes Classe C 4 manifests itself well when you accelerate at any speed, but you want more info about it or you still haven’t found the reason, read both articles about turbo noises on Mercedes Classe C 4 and noise when accelerating on Mercedes Classe C 4 for more info.
I experience an air noise on Mercedes Classe C 4 at the doors
Air noise Mercedes Classe C 4 connected to plastic door covers
If you experience air noise on the doors of your Mercedes Classe C 4, it is possible that it is caused by some plastic covers on the inside sides of your door. These can come loose, hole, fall and thus generate an air intake that will obviously generate a significant and annoying air noise in the cabin. To validate that you don’t have this issue on your Mercedes Classe C 4, open your doors and inspect the sides of them carefully, see if all the covers are properly placed.
Air noise Mercedes Classe C 4 connected to door seals
Air noise at the doors of your Mercedes Classe C 4 can also be connected to a gasketfailing or overused. In fact, the door seal, in addition to have a preventive function 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 create a perfect seal between the door and the car body. To verify its state, there are two ways, first, visually verify 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 gets into. If you are in this case, go to your auto technician to have your seal swapped and the air noises on your Mercedes Classe C 4 wiped out. If your air noise on Mercedes Classe C 4 is not resolved despite reading this part, that it is present at your doors, we encourage you to consult this full guide on door noises on Mercedes Classe C 4 which should allow you to find the solution to your issue.
