What could be more annoying than hearing a constant noise when driving your automobile, whether it’s because you want to listen your favorite radio or chat with your passengers, hearing an air noise on Mercedes Classe C is always distressing. It is with this in mind that we desired to create this article. In fact, our team wanted to give you the keys to resolve this recurring issue that can become annoying in the long run. First we will look into the air noise on Mercedes Classe C based on the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes Classe C that is coming from doors.air-noisemercedes-classe-c

I experience an air noise in the cabin


if you note of an air noise on your Mercedes Classe C and it is situated in your cabin, it may be connected to a fan that has shifted or is starting to dry . No matter the reason, you will need to check out the fan in question to visually verify its state. The easiest technique is to open the ventilation circuit, and rotate the circuit while you are watching its proper performance, you can try to grease it to limit this noise, but it is very likely that the final answer is to change it.
If you haven’t found the answers to your questions in this section but your air noise on Mercedes Classe C comes from your cabin, read both articles, firstly cabin noises on Mercedes Classe C and heater fan noises on Mercedes Classe C can surely help you find the reason.

I experience an air noise when I accelerate with my Mercedes Classe C

Air noise Mercedes Classe C caused by an air intake hose

The first of the two possibilities that can generate an air noise on Mercedes Classe C at the time of acceleration 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 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.

Air noise Mercedes Classe C linked to your turbo

One of the other possible origins of your air noise on Mercedes Classe C 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 encounter a power loss that would signify the failure of your turbo. It is also plausible that a lack of lubrication is the reason 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 Classe C manifests itself well when you accelerate at any speed, but you want more information about it or you still haven’t found the reason, consult both pages about turbo noises on Mercedes Classe C and noise when accelerating on Mercedes Classe C for more information.

I experience an air noise on Mercedes Classe C at the doors

Air noise Mercedes Classe C linked to plastic door covers

If you encounter air noise on the doors of your Mercedes Classe C, it is possible that it is associated with some plastic covers on the interior sides of your door. These can come loose, hole, fall and thus produce an air intake that will obviously create a distinctive and unpleasant air noise in the cabin. To confirm that you don’t have this issue on your Mercedes Classe C, open your doors and check the sides of them carefully, see if all the covers are properly positioned.

Air noise Mercedes Classe C linked to door seals

Air noise at the doors of your Mercedes Classe C can also be linked to a gasketfailing or overused. In fact, the door seal, in addition to have a defensive role against moisture infiltration, also has a protective task 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 verify its state, there are two ways, first, visually verify the state 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 goes in. If you are in this case, go to your auto mechanic to have your seal changed and the air noises on your Mercedes Classe C removed. If your air noise on Mercedes Classe C is not eliminated despite reading this part, that it is present at your doors, we encourage you to browse this full guide on door noises on Mercedes Classe C which should allow you to find the solution to your issue.