Do you experience a metallic noise on your Mercedes Benz S Class every time you drive? We can understand that this is not enjoyable and that you have questions. Discovering such a noise is not always a good signal, but it may also be nothing severe. To support you resolve this problem, we have decided to produce this content page to help you in this research. In order to perform this research as efficiently as possible, we will first look into the conceivable origins of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise Mercedes Benz S Class coming from the front end of the automobile
I notice 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 triggers of metal noise symptoms on your Mercedes Benz S Class, may be that one of your bearing is tired, it will frequently produce a loud noise that increase when stressed (turns faster and faster). So please remember to examine by taking speed (neutral gear and window open to pay attention only to noise of the wheels) that the noise is well based here, if this is the case change it or them quickly. If, on the other hand, this noise only manifests itself with an engaged speed, browse this report on loud noise on Mercedes Benz S Class, you will most likely find a solution to your problem.
If you discern a metalic noise on Mercedes Benz S 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 make a strong metallic rubbing noise that you will inevitably feel. To examine this, put your automobile on safety stand, and examine the condition of your discs and pads by getting rid of the wheel. If they are involved, change them quickly , otherwise you will no longer be able to brake. If you encounter a metallic noise from your automobile, and you want infos about it, browse this guide for more details about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you notice a metallic noise on your Mercedes Benz S 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 examine this, position yourself under your automobile, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be replaced. If this is your case, we advise that you browse this content page for a complete guide about steering noises on Mercedes Benz S Class.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A bit like worn stabilizer bar, if your engine silent blocks are damaged, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Mercedes Benz S Class. Once screwed up, they will no longer accomplish their role as shock absorbers and, with each impact, or violent acceleration, a noise will come out. Therefore, bear in mind to examine their status and change them if required. Feel free to consult this content page which is a complete file about strut mounts noises on Mercedes Benz S Class, how to examine their condition and replace them.
Finally, the last typical cause of metallic noise on Mercedes Benz S Class. It’s because your transmission system is the source. It is possible, 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 create a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we advise that you look at this detailed guide on the sources of steering noises on Mercedes Benz S Class.
Metallic noise Mercedes Benz S Class coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you notice 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 sound. To be certain, go under the automobile, cold, and knock each of the previously stated parts with a hammer to identify the source of the noise. You should hear 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 necessary to reflect on swapping it, as well as the silencer. In this case, to eliminate the metallic noise on your Mercedes Benz S 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 automobile, it is conceivable that with wear they are at the origin of your metallic noises on your Mercedes Benz S Class. Go a little further up in the article content where you will find information of the solution already exposed for the front part of the automobile.
Finally, if the noise originates from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
