It is never enjoyable to hear a sound in your automobile that you don’t know the source of. So, what if you discover a loud noise that continues on your Mercedes Benz E Class? It is highly possible that this is a minor issue, but before beeing sure, it is better to execute some investigations. Whether that loud noise comes from the front of the car, from the rear, whether it happens when you accelerate or when you are parked, our team has created this content to help you solve it. First, we will summarize the possible explanations for the trouble according to when loud noise appears on your Mercedes Benz E Class, and then we will focus on the region of origin of the noise. In any case, if this noise remains, follow these recommendations to help you find the source.
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When does my Mercedes Benz E Class produce a loud noise?
One way to discover a noise from your Mercedes Benz E Class is to define when it occurs. Indeed, some trouble can be linked to components that are only stressed under certain circumstances. It is this process that we will focus on in this first part.
Loud noise Mercedes Benz E Class when accelerating
Loud noise on Mercedes Benz E Class that shows up when you are accelerating can be symptomatic of several failures. In fact, if you encounter 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 use. Furthermore, it is also highly possible that loud noise on your Mercedes Benz E Class is linked to a wheel bearing, which is one of the most common origins 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 possible that the issue may come from a deformed tire or an unbalanced wheel that will tend to vibrate as it gains speed.
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When my Mercedes Benz E Class is stopped
If your Mercedes Benz E Class makes a loud noise while not accelerating, engine on, the issue 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 induce.
Where does loud noise come from on my Mercedes Benz E Class and how can I be sure of its origin?
Now that we have uncovered the cause of the sound, we will concentrate on the verification stage to make sure that this is the issues you are experiencing.
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The loud noise comes from the wheels of my Mercedes Benz E Class
As we have seen before, loud noise from the wheels of your Mercedes Benz E Class may be in connection with two main disorders. 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 keep 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 replace 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 E Class that is the trouble, you will tend to feel a vibration in the direction of the car as you go faster. In both cases, you will have to go to your auto technician to change the tires or perform a balancing.
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The loud noise comes from the engine of my Mercedes Benz E Class
In case you have recognized loud noise as coming from the engine of your Mercedes Benz E 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 E Class is related to air intake, the check 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 generate 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 disorders, take your car to your garage .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have noticed comes from the exhaust pipe of your Mercedes Benz E Class, it is highly possible that you have rust if your car 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 E Class, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To confirm this, get help from someone who will stand under the car while you accelerate to find the exact area of origin 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.
