What can be more frustrating than discovering a repeated noise when driving your car, whether it’s because you want to listen to your favorite radio or chat with your passengers, discovering an air noise on Mercedes Classe V is always distressing. It is with this in mind that we desired to create this article. Indeed, our team wanted to give you the keys to resolve this persistent issue that can become frustrating in the long term. First we will look at the air noise on Mercedes Classe V coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes Classe V that is coming from doors.
I hear an air noise in the cabin
if you detect of an air noise on your Mercedes Classe V and it is found 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 verify 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 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 V comes from your cabin, read both articles, firstly cabin noises on Mercedes Classe V and heater fan noises on Mercedes Classe V can surely support you find the reason.
I hear an air noise when I accelerate with my Mercedes Classe V
Air noise Mercedes Classe V caused by an air intake hose
The first of the two possibilities that can generate an air noise on Mercedes Classe V 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 result in 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 verify the state of all your hoses, don’t hesitate to ask someone to accelerate while you check out the engine block to support you discern the area of origin of air noise on Mercedes Classe V.
Air noise Mercedes Classe V caused by your turbo
One of the other possible sources of your air noise on Mercedes Classe V is your turbo. Indeed, a weakened 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 point out the failure of your turbo. It is also plausible that a lack of lubrication is the reason of this noise. Have it inspected, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on Mercedes Classe V manifests itself well when you accelerate at any speed, but you want more details about it or you still haven’t found the reason, consult both content articles about turbo noises on Mercedes Classe V and noise when accelerating on Mercedes Classe V for more details.
I hear an air noise on Mercedes Classe V at the doors
Air noise Mercedes Classe V caused by plastic door covers
If you experience air noise on the doors of your Mercedes Classe V, it is plausible that it is connected 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 obviously make a serious and unpleasant air noise in the cabin. To validate that you don’t have this issue on your Mercedes Classe V, open your doors and check the sides of them carefully, see if all the covers are properly installed.
Air noise Mercedes Classe V caused by door seals
Air noise at the doors of your Mercedes Classe V can also be related to a gasketfailing or overused. In fact, the door seal, in addition to have a defensive function 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 methods, 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 enters. If you are in this case, go to your mechanic to have your seal replaced and the air noises on your Mercedes Classe V eliminated. If your air noise on Mercedes Classe V is not fixed despite reading this part, that it is present at your doors, we suggest you to read this complete guide on door noises on Mercedes Classe V which should allow you to find the solution to your issue.
