It is never relaxing to hear a sound in your vehicle that you don’t know the cause of. So, what if you detect a loud noise that is persistant on your Mercedes Benz GLK? It is very possible that this is a minor issue, but before beeing sure, it is better to accomplish 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 made this content to help you fix it. First, we will point out the possible reasons for the trouble according to when loud noise shows up on your Mercedes Benz GLK, and then we will focus on the region of origin of the noise. In any case, if this noise remains, follow these advice to help you find the source.
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When does my Mercedes Benz GLK generate a loud noise?
One way to discover a noise from your Mercedes Benz GLK is to define when it shows up. Indeed, some problems can be linked to parts that are only stressed under certain conditions. It is this approach that we will focus on in this first part.
Loud noise Mercedes Benz GLK when accelerating
Loud noise on Mercedes Benz GLK that appears when you are accelerating can be symptomatic of several 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 GLK is associated with a wheel bearing, which is one of the most common causes of these types of signs of illness. 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 GLK is stopped
If your Mercedes Benz GLK makes a loud noise while not accelerating, engine on, the issue may be linked to poor air intake. An air intake hose that has come loose or has a hole in it may be the cause.
Where does loud noise come from on my Mercedes Benz GLK and how can I be sure of its origin?
Now that we have defined the source of the sound, we will concentrate on the verification stage to ensure that this is the concern you are encountering.
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The loud noise comes from the wheels of my Mercedes Benz GLK
As we have seen before, loud noise from the wheels of your Mercedes Benz GLK may be linked to two main problems. 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 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, make sure to visually check the entire tread area for linearity. If it is the balancing of the wheels of your Mercedes Benz GLK that is the trouble, you will tend to feel a vibration in the direction of the vehicle as you go faster. In both cases, you will have to go to your mechanic to swap the tires or do a balancing.
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The loud noise comes from the engine of my Mercedes Benz GLK
In case you have discovered loud noise as coming from the engine of your Mercedes Benz GLK, the two most likely causes are turbo and air intake. In the first case, a turbo failure may also be associated with 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 GLK 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 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 trouble, take your vehicle to your mechanic .
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Loud noise comes from the exhaust pipe of the vehicle
If the noise you have discovered comes from the exhaust pipe of your Mercedes Benz GLK, 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 GLK, 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 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.
