Do you experience a metallic noise on your Mercedes Classe E once 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 major. To support you solve this problem, we have decided to write this content to assist you in this research. In order to execute this research as efficiently as possible, we will first take a look at the possible origins of metallic noise in the front of your vehicle, and then, if the metallic noise comes from the rear of your vehicle.
Metal noise Mercedes Classe E coming from the front end of the vehicle
I notice a metal rattling noise coming from wheels
- Metallic noise originating from your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the possible triggers of metal noise manifestations on your Mercedes Classe E, 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 take into account to check by taking speed (neutral gear and window open to give consideration only to noise of the wheels) that the noise is well established here, if this is the case replace it or them fairly quickly. If, on the other hand, this noise only manifests itself with an engaged speed, browse this guide on loud noise on Mercedes Classe E, you will most likely find a solution to your problem.
If you encounter a metalic noise on Mercedes Classe E and you have the feeling that it comes from your front wheels, it is highly possible that it is your pads or discs that are the reason. Indeed, a disc or a set of dead plates will create a strong metallic rubbing noise that you will inevitably feel. To check this, put your vehicle on safety stand, and check the state of your discs and pads by getting rid of the wheel. If they are involved, replace them promptly , otherwise you will no longer be able to brake. If you feel a metallic noise from your vehicle, and you want explications about it, go through this article 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 Classe E, 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, put yourself under your vehicle, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be swapped. If this is your case, we advise that you have a look at this content for a complete guide about steering noises on Mercedes Classe E.
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 weakened, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Mercedes Classe E. Once screwed up, they will no longer accomplish their purpose as shock absorbers and, with each impact, or violent acceleration, a noise will occur. Therefore, take into account to check their status and replace them if necessary. Feel free to browse this content which is a complete file about strut mounts noises on Mercedes Classe E, how to check their state and change them.
Finally, the last basic reason of metallic noise on Mercedes Classe E. It’s because your transmission system is the source. It is plausible, 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 noise. That you shouldn’t feel in neutral. If this is your case, we advise that you browse this detailed guide on the origins of steering noises on Mercedes Classe E.
Metallic noise Mercedes Classe E 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 possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either the catalyst or the silencer may be the reason of this noise. To be certain, go under the vehicle, cold, and knock each of the previously stated parts 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 reflect on swapping it, as well as the silencer. In such a case, to eliminate the metallic noise on your Mercedes Classe E, 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 vehicle, it is possible that with wear they are at the origin of your metallic noises on your Mercedes Classe E. Go a little further up in the article where you will find details of the solution already exposed for the front part of the vehicle.
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.
