It is never enjoyable to perceive a sound in your car that you don’t know the source of. So, what if you discern a loud noise that lasts on your Mercedes Benz S Class? It is highly plausible that this is a minor trouble, but before beeing sure, it is better to accomplish some inspections. Whether that loud noise comes from the front of the automobile, from the rear, whether it appears when you accelerate or when you are parked, our team has made this content to help you fix it. First, we will point out the possible causes for the trouble according to when loud noise appears on your Mercedes Benz S Class, and then we will concentrate on the region of origin of the noise. In any case, if this noise persists, follow these advice to help you find the source.
–
When does my Mercedes Benz S Class make a loud noise?
One way to find a noise from your Mercedes Benz S Class is to identify when it shows up. Indeed, some problems can be related to components that are only stressed under certain occasions. It is this approach that we will focus on in this first part.
Loud noise Mercedes Benz S Class when accelerating
Loud noise on Mercedes Benz S Class that starts when you are accelerating can be symptomatic of several failures. Indeed, if you feel a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will cause a much higher noise than during normal operation. Moreover, it is also highly plausible that loud noise on your Mercedes Benz S Class is connected to a wheel bearing, which is one of the most common causes of these types of symptoms. Another possibility is that your exhaust pipe may have holes or a collar may have become loose. Finally, it is also plausible that the trouble may come from a deformed tire or an unbalanced wheel that will tend to vibrate as it increases speed.
o
When my Mercedes Benz S Class is stopped
If your Mercedes Benz S Class makes a loud noise while not accelerating, engine on, the trouble may be in connection with poor air intake. An air intake hose that has come loose or has a hole in it may be the reason.
Where does loud noise come from on my Mercedes Benz S Class and how can I be sure of its origin?
Now that we have uncovered the origin of the noise, we will look into the verification stage to be certain that this is the issues you are experiencing.
-
The loud noise comes from the wheels of my Mercedes Benz S Class
As we have seen earlier in this article, loud noise from the wheels of your Mercedes Benz S Class may be in connection with two main complications. If it is one of your tired bearings, it will tend to make a thumping noise that intensifies when it is under stress (spins faster and faster). So bear in mind to examine by driving “fast” (neutral gear on and window open to hear only the noise of the wheels) that the noise is located here, if this is the case change it or them right away. If it is a deformed tire, remember to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Mercedes Benz S Class that is the problem, you will tend to feel a vibration in the direction of the automobile as you go faster. In both situations, you will have to go to your auto technician to replace the tires or execute a balancing.
-
The loud noise comes from the engine of my Mercedes Benz S Class
In case you have recognized loud noise as coming from the engine of your Mercedes Benz S Class, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be connected to a compression loss during the engine ramp-up phase, so you should encounter a power loss during your acceleration. If the loud noise on your Mercedes Benz S Class is related to air intake, the control will be done mainly visually, check all your air intake hoses by a visual control in your engine block to be sure that it is not damaged or disconnected which would induce an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then examine that the engine idle speed is not random. In case you confirm one of these two problems, take your automobile to your mechanic .
-
Loud noise comes from the exhaust pipe of the vehicle
If the noise you have perceived comes from the exhaust pipe of your Mercedes Benz S Class, it is highly plausible that you have rust if your automobile is old and has created holes in it over time and therefore generates a very high noise close to aircraft noise on your Mercedes Benz S Class, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To validate this, get help from someone who will stand under the automobile while you accelerate to find the exact area of source of this noise. If it is a hole, you can repair it with a putty provided for this purpose, or, if it is a collar, “reattach” it. If it is cut or the hole is too big, it is better to get closer to your mechanic.
