Do you hear a metallic noise on your Mercedes Classe B when ever you drive? We can understand that this is not pleasant and that you are wandering. Experiencing such a noise is not always a good indicator, but it may also be nothing serious. To support you remedy this issue, our team has decided to prepare this content page to help you in this research. In order to conduct this research as accurately as possible, we will first take a look at the plausible 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 Classe B coming from the front end of the automobile
I listen a metal rattling noise coming from wheels
- Metallic noise based on your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the probable causes of metal noise symptoms on your Mercedes Classe B, may be that one of your bearing is tired, it will tend to make a loud noise that increases when stressed (turns faster and faster). So keep in mind 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 replace 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 Classe B, you will most likely find a remedy to your issue.
If you hear a metalic noise on Mercedes Classe B and you have the feeling that it comes from your front wheels, it is highly plausible that it is your pads or discs that are the cause. Indeed, a disc or a set of dead plates will make a strong metallic friction noise that you will inevitably feel. To check this, put your automobile on safety stand, and check the condition of your discs and pads by taking out the wheel. If they are involved, replace them fairly quickly , otherwise you will no longer be able to brake. If you experience a metallic noise from your automobile, and you want informations about it, read 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 listen a metallic noise on your Mercedes Classe B, 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 automobile, 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 would suggest that you consult this content page for a complete guide about steering noises on Mercedes Classe B.
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 Classe B. Once screwed up, they will no longer accomplish their task as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, think about to check their status and replace them if necessary. Feel free to have a look at this content page which is a complete file about strut mounts noises on Mercedes Classe B, how to check their condition and replace them.
Finally, the last classic cause of metallic noise on Mercedes Classe B. 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 develop a continuous metal rattling sound. That you shouldn’t feel in neutral. If this is your case, we would suggest that you browse this detailed guide on the sources of steering noises on Mercedes Classe B.
Metallic noise Mercedes Classe B coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you feel an exhaust noise that is more of a metallic type, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is plausible 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 locate the source of the noise. You should notice 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 such a case, to eliminate the metallic noise on your Mercedes Classe B, 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 plausible that with wear they are at the origin of your metallic noises on your Mercedes Classe B. 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.
