What could be more annoying than discovering a persistent noise when driving your automobile, whether it’s because you want to hear your favorite radio or chat with your passengers, discovering an air noise on Mercedes Viano is always distressing. It is with this in mind that we desired to prepare this article. In fact, our team wanted to give you the keys to fix this recurring issue that can become annoying in the long run. First we will check out the air noise on Mercedes Viano coming from the cabin, then at the air noise that manifests itself during acceleration, and finally at the air noise on Mercedes Viano that is coming from doors.
I notice an air noise in the cabin
if you acknowledge of an air noise on your Mercedes Viano and it is situated in your cabin, it may be connected to a fan that has shifted or is starting to dry . In any case, you will have to examine 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 operation, you can try to grease it to limit this noise, but it is very likely that the final remedy is to swap it.
If you haven’t found the answers to your questions in this section but your air noise on Mercedes Viano comes from your cabin, read both articles, firstly cabin noises on Mercedes Viano and heater fan noises on Mercedes Viano can surely help you find the reason.
I notice an air noise when I accelerate with my Mercedes Viano
Air noise Mercedes Viano brought on by an air intake hose
The first of the two possibilities that can generate an air noise on Mercedes Viano 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 result in 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 check out the engine block to help you identify the area of origin of air noise on Mercedes Viano.
Air noise Mercedes Viano linked to your turbo
One of the other possible sources of your air noise on Mercedes Viano is your turbo. In fact, 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 feel a power loss that would indicate the failure of your turbo. It is also conceivable that a lack of lubrication is the reason of this noise. Have it verified, and swap it if necessary, if you don’t want to get your engine dirty. If your air noise on Mercedes Viano 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 pages about turbo noises on Mercedes Viano and noise when accelerating on Mercedes Viano for more information.
I notice an air noise on Mercedes Viano at the doors
Air noise Mercedes Viano linked to plastic door covers
If you experience air noise on the doors of your Mercedes Viano, it is possible that it is caused by some plastic covers on the interior walls of your door. These can come loose, hole, fall and thus create an air intake that will obviously generate a significant and annoying air noise in the cabin. To confirm that you don’t have this issue on your Mercedes Viano, open your doors and inspect the sides of them carefully, see if all the covers are properly installed.
Air noise Mercedes Viano linked to door seals
Air noise at the doors of your Mercedes Viano can also be linked to a gasketfailing or overused. Indeed, the door seal, in addition to have a protecting 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 generate 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 goes in. If you are in this case, go to your mechanic to have your seal replaced and the air noises on your Mercedes Viano wiped out. If your air noise on Mercedes Viano is not eliminated despite reading this part, that it is present at your doors, we advise you to have a look at this full article on door noises on Mercedes Viano which should allow you to find the solution to your issue.