Do you notice a metallic noise on your Mercedes Benz CLA Class when ever you drive? We know that this is not pleasurable and that you are wandering. Experiencing such a noise is not always a good signal, but it may also be nothing major. To help you resolve this problem, we have decided to create this article to assist you in this investigation. In order to carry out this research as efficiently as possible, we will first have a look at the possible sources 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 CLA Class coming from the front end of the automobile
I experience a metal rattling noise coming from wheels
- Metallic noise coming from your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the probable triggers of metal noise manifestations on your Mercedes Benz CLA Class, may be that one of your bearing is tired, it will frequently produce a loud noise that raises when stressed (turns faster and faster). So keep in mind to verify by taking speed (neutral gear and window open to give consideration 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, browse this report on loud noise on Mercedes Benz CLA Class, you will most likely find a solution to your problem.
If you hear a metalic noise on Mercedes Benz CLA 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 reason. Indeed, a disc or a set of dead plates will generate a strong metallic friction noise that you will inevitably feel. To verify this, put your automobile on safety stand, and verify the condition of your discs and pads by taking out the wheel. If they are involved, swap them fairly quickly , otherwise you will no longer be able to brake. If you experience a metallic noise from your automobile, and you want explications about it, examine 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 experience a metallic noise on your Mercedes Benz CLA Class, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will cause a metallic snap when they hit or change direction. To verify 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 would suggest that you browse this article for a complete guide about steering noises on Mercedes Benz CLA 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 CLA Class. Once screwed up, they will no longer fulfill their purpose as shock absorbers and, with each impact, or violent acceleration, a noise will appear. Therefore, think about to verify their status and swap them if necessary. Feel free to consult this article which is a complete file about strut mounts noises on Mercedes Benz CLA Class, how to verify their condition and replace them.
Finally, the last typical reason of metallic noise on Mercedes Benz CLA Class. It’s because your transmission system is the origin. 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 sound. That you shouldn’t feel in neutral. If this is your case, we would suggest that you read this detailed guide on the origins of steering noises on Mercedes Benz CLA Class.
Metallic noise Mercedes Benz CLA Class coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you hear 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 sound. To be sure, go under the automobile, cold, and knock each of the previously stated units with a hammer to determine the origin of the noise. You should acknowledge 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 cases like this, to stop the metallic noise on your Mercedes Benz CLA 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 possible that with wear they are at the origin of your metallic noises on your Mercedes Benz CLA Class. Go a little further up in the article where you will find information of the solution already exposed for the front part of the automobile.
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.
