What can be more annoying than discovering a consistent noise when driving your vehicle, whether it’s because you want to hear your favorite radio or chat with your passengers, discovering an air noise on Mercedes Benz CLS Class is always annoying. It is with this in mind that we desired to create this article. Indeed, our team wanted to give you the keys to solve this persistent problem that can become annoying in the long term. First we will look at the air noise on Mercedes Benz CLS Class based on the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes Benz CLS Class that is coming from doors.air-noisemercedes-benz-cls-class

I hear an air noise in the cabin


if you know of an air noise on your Mercedes Benz CLS Class and it is found in your cabin, it may be linked 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 method 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 remedy is to change it.
If you haven’t found the answers to your questions in this section but your air noise on Mercedes Benz CLS Class comes from your cabin, read both articles, firstly cabin noises on Mercedes Benz CLS Class and heater fan noises on Mercedes Benz CLS Class can surely help you find the reason.

I hear an air noise when I accelerate with my Mercedes Benz CLS Class

Air noise Mercedes Benz CLS Class brought on by an air intake hose

The first of the two possibilities that can make an air noise on Mercedes Benz CLS 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 bring about a large and unexpected air intake . This will express 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 help you establish the area of origin of air noise on Mercedes Benz CLS Class.

Air noise Mercedes Benz CLS Class connected to your turbo

One of the other possible origins of your air noise on Mercedes Benz CLS Class is your turbo. Indeed, a weakened 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 Benz CLS Class manifests itself well when you accelerate at any speed, but you want more information about it or you still haven’t found the reason, check out both content articles about turbo noises on Mercedes Benz CLS Class and noise when accelerating on Mercedes Benz CLS Class for more information.

I hear an air noise on Mercedes Benz CLS Class at the doors

Air noise Mercedes Benz CLS Class connected to plastic door covers

If you experience air noise on the doors of your Mercedes Benz CLS Class, it is plausible that it is linked to some plastic covers on the interior side panels of your door. These can come loose, hole, fall and thus develop an air intake that will inevitably generate a significant and disagreeable air noise in the cabin. To confirm that you don’t have this problem on your Mercedes Benz CLS Class, open your doors and check the sides of them carefully, see if all the covers are properly placed.

Air noise Mercedes Benz CLS Class connected to door seals

Air noise at the doors of your Mercedes Benz CLS Class can also be related to a gasketfailing or overused. Certainly, the door seal, in addition to have a protective 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 generate a perfect seal between the door and the car body. To examine its state, there are two ways, first, visually examine 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 penetrates. If you are in this case, go to your auto technician to have your seal replaced and the air noises on your Mercedes Benz CLS Class removed. If your air noise on Mercedes Benz CLS Class is not solved despite reading this part, that it is present at your doors, we recommend you to browse this full guide on door noises on Mercedes Benz CLS Class which should allow you to find the solution to your problem.