Do you hear a metallic noise on your Mercedes Benz M Class when ever you drive? We understand that this is not relaxing 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 remedy this trouble, our redaction decided to create this content page to assist you in this search. In order to conduct 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 Benz M Class coming from the front end of the vehicle
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 causes of metal noise manifestations on your Mercedes Benz M 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 think about to check by taking speed (neutral gear and window open to be aware only to noise of the wheels) that the noise is well established here, if this is the case change it or them fairly quickly. If, on the other hand, this noise only manifests itself with an engaged speed, examine this guide on loud noise on Mercedes Benz M Class, you will most likely find a solution to your trouble.
If you experience a metalic noise on Mercedes Benz M Class 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 cause. Indeed, a disc or a set of dead plates will generate a strong metallic friction 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 taking out the wheel. If they are involved, change them quickly , otherwise you will no longer be able to brake. If you experience a metallic noise from your vehicle, and you want explications about it, examine 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 notice a metallic noise on your Mercedes Benz M Class, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will trigger 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 changed. If this is your case, we encourage that you read this content page for a complete guide about steering noises on Mercedes Benz M 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 harmed, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Mercedes Benz M Class. Once screwed up, they will no longer fulfill their task as shock absorbers and, with each impact, or violent acceleration, a noise will occur. Therefore, please remember to check their status and change them if necessary. Feel free to browse this content page which is a complete file about strut mounts noises on Mercedes Benz M Class, how to check their state and replace them.
Finally, the last classic cause of metallic noise on Mercedes Benz M 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 generate a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we encourage that you look at this detailed guide on the origins of steering noises on Mercedes Benz M Class.
Metallic noise Mercedes Benz M Class coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you are subject to 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 cause of this noise. To be sure, go under the vehicle, cold, and knock each of the previously stated elements with a hammer to discern 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 required to consider swapping it, as well as the silencer. In cases like this, to eliminate the metallic noise on your Mercedes Benz M 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 vehicle, it is possible that with wear they are at the origin of your metallic noises on your Mercedes Benz M Class. Go a little further up in the document where you will find information 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.
