Do you listen a metallic noise on your Mercedes Benz GLS Class when ever you drive? We can understand that this is not relaxing and that you are wandering. Discovering such a noise is not always a good signal, but it may also be nothing serious. To help you resolve this problem, we have decided to produce this article content to help you in this investigation. In order to perform this research as effectively as possible, we will first check out the conceivable sources of metallic noise in the front of your car, and then, if the metallic noise comes from the rear of your car.
Metal noise Mercedes Benz GLS Class coming from the front end of the car
I perceive a metal rattling noise coming from wheels
- Metallic noise caused by your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible causes of metal noise manifestations on your Mercedes Benz GLS Class, may be that one of your bearing is tired, it will commonly produce a loud noise that increases when stressed (turns faster and faster). So take into account to check by taking speed (neutral gear and window open to listen only to noise of the wheels) that the noise is well based here, if this is the case swap it or them quickly. If, on the other hand, this noise only manifests itself with an engaged speed, examine this report on loud noise on Mercedes Benz GLS Class, you will most likely find a solution to your problem.
If you experience a metalic noise on Mercedes Benz GLS Class and you have the feeling that it comes from your front wheels, it is highly conceivable that it is your pads or discs that are the cause. In fact, a disc or a set of dead plates will generate a strong metallic rubbing noise that you will inevitably feel. To check this, put your car on safety stand, and check the state of your discs and pads by getting rid of the wheel. If they are involved, swap them as soon as possible , otherwise you will no longer be able to brake. If you encounter a metallic noise from your car, and you want infos about it, read this guide for more info about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you perceive a metallic noise on your Mercedes Benz GLS Class, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will induce a metallic snap when they hit or change direction. To check this, position yourself under your car, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be changed. If this is your case, we encourage that you consult this article content for a complete guide about steering noises on Mercedes Benz GLS Class.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A little like worn stabilizer bar, if your engine silent blocks are weakened, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Mercedes Benz GLS Class. Once screwed up, they will no longer fulfill their role as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, think about to check their status and swap them if required. Feel free to read this article content which is a complete file about strut mounts noises on Mercedes Benz GLS Class, how to check their state and change them.
Finally, the last basic cause of metallic noise on Mercedes Benz GLS Class. It’s because your transmission system is the source. It is conceivable, either because of improper use of the gearbox or because of excessive wear, that some gears in your gearbox have broken and are wandering around in it. They will then develop a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we encourage that you read this detailed guide on the origins of steering noises on Mercedes Benz GLS Class.
Metallic noise Mercedes Benz GLS Class coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you discern an exhaust noise that is more of a metallic type, it is conceivable that one or more parts of your exhaust may be damaged. In fact, it is conceivable that either the catalyst or the silencer may be the cause of this noise. To be sure, go under the car, cold, and knock each of the previously stated components with a hammer to discern the source of the noise. You should perceive things moving in the problematic part, if it’s the exhaust baffles, you can try to hammer in the section a little to try to block them and limit their movements. If it is a dead catalyst, it will be required to consider swapping it, as well as the silencer. In such a case, to stop the metallic noise on your Mercedes Benz GLS Class, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Noise from wheels
- Bearings
- Brake pads or discs
As for the bearings of your car, it is conceivable that with wear they are at the origin of your metallic noises on your Mercedes Benz GLS Class. Go a little further up in the content page where you will find information of the solution already exposed for the front part of the car.
Finally, if the noise comes from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
