It is never pleasant to notice a sound you don’t know about, and which results from your car. Thus, what if you notice an exhaust noise that persists on your Mercedes Benz GLA Class? It is highly probable that this is a small problem, however, before being sure, it is better to accomplish some checks. Our team has made this to support you fix it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mercedes Benz GLA Class and second, if you have a metallic rattling noise on your Mercedes Benz GLA Class.exhaust-noise-mercedes-benz-gla-class

Muffled exhaust noise Mercedes Benz GLA Class

Exhaust pipe with holes Mercedes Benz GLA Class

Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the car engine, which could finally become dirty, for example. If you have an exhaust noise on your Mercedes Benz GLA Class, it is plausible that it is due to a crack in the exhaust pipe, this is the most classic cause. To be able to validate this, locate somebody under the running motor car and accelerate to help them determine the source of the hole. Once discovered, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be replaced.

Element dislocated exhaust pipe Mercedes Benz GLA Class

The other possibility of being suffering from a muffled exhaust noise on Mercedes Benz GLA Class is to have a part of the exhaust system that has dislocated due to vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and generate an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Mercedes Benz GLA Class to discover the problem place, and tighten or change the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, think about having a look at this content page which gives solutions gives solutions about rear end noises on Mercedes Benz GLA Class.

Metal rattling exhaust sound Mercedes Benz GLA Class

Damaged exhaust muffler noise Mercedes Benz GLA Class

If, alternatively, you are exposed to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be damaged. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the cause of this noise. To be sure, go under your Mercedes Benz GLA Class, cold, and tap each of the previously stated parts with a hammer to discover the source of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a out of date catalyst, it will be necessary to consider changing it, as well as the silencer. In this case, to stop the exhaust noise on your Mercedes Benz GLA Class, you will either have to find a second hand one and do it yourself, or go to your auto technician.

Metal rattling exhaust noise Mercedes Benz GLA Class : Silentblock, loose pot

Finally, a metallic exhaust noise on your Mercedes Benz GLA Class may be related to a poor attachment of your exhaust to your car. In fact, over time, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to examine, when cold, that the pot holds well, to try to get it to move in different directions and watch how it behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine, the more fixed it should be. Visually examine the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be replaced.