It is never enjoyable to experience a noise in your car that you don’t know the cause of. So, what if you discover a loud noise that is persistant on your Mercedes Benz GLC Class? It is very possible that this is a minor issue, but before beeing sure, it is better to do some checks. Whether that loud noise comes from the front of the automobile, from the rear, whether it shows up when you accelerate or when you are parked, our team has written this content to help you solve it. First, we will point out the possible causes for the problem according to when loud noise appears on your Mercedes Benz GLC Class, and then we will look into the region of origin of the noise. In any case, if this noise continues, follow these recommendations to help you find the origin.
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When does my Mercedes Benz GLC Class produce a loud noise?
One way to find a noise from your Mercedes Benz GLC Class is to establish when it occurs. Indeed, some concerns can be related to components that are only stressed under certain circumstances. It is this method that we will focus on in this first part.
Loud noise Mercedes Benz GLC Class when accelerating
Loud noise on Mercedes Benz GLC Class that starts when you are accelerating can be symptomatic of different failures. In fact, if you experience a noise that is louder and louder when you accelerate, it can come from a faulty turbo that will induce a much higher noise than during normal use. Additionally, it is also highly possible that loud noise on your Mercedes Benz GLC Class is linked to a wheel bearing, which is one of the most common origins of these types of manifestations. Another alternative 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 GLC Class is stopped
If your Mercedes Benz GLC Class makes a loud noise while not accelerating, engine on, the issue may be related to 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 GLC 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 make sure that this is the issues you are encountering.
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The loud noise comes from the wheels of my Mercedes Benz GLC Class
As we have seen previously, loud noise from the wheels of your Mercedes Benz GLC Class may be related to 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 remember to verify 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 quickly. If it is a deformed tire, don’t forget to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Mercedes Benz GLC Class that is the trouble, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both situations, you will have to go to your technician to change the tires or do a balancing.
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The loud noise comes from the engine of my Mercedes Benz GLC Class
In case you have discovered loud noise as coming from the engine of your Mercedes Benz GLC Class, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be linked to a compression loss during the engine ramp-up phase, so you should experience a power loss during your acceleration. If the loud noise on your Mercedes Benz GLC 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 cause an air intake, if it is just disconnected you can reconnect the air intake tubes yourself. Then verify that the engine idle speed is not random. In case you confirm one of these two trouble, take your vehicle to your service garage .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have detected comes from the exhaust pipe of your Mercedes Benz GLC Class, it is highly possible 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 GLC Class, that a part has been cut off due to wear, or, finally, that a clamp has become loose due to vibrations. To ensure this, get help from someone who will stand under the automobile while you accelerate to find the exact area of starting point 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.
