It is never pleasing to find out a sound you don’t know about, and which will arrive from your car. Thus, what if you find an exhaust noise that continues on your Mercedes Classe S? It is highly possible that this is a small problem, however, before being sure, it is better to accomplish some checks. Our team has produced this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mercedes Classe S and second, if you have a metallic rattling noise on your Mercedes Classe S.
Muffled exhaust noise Mercedes Classe S
Exhaust pipe with holes Mercedes Classe S
Having a muffled sound from its exhaust is not insignificant and can lead to over-consumption, or a malfunction of the engine, which could after a while become dirty, for example. If you have an exhaust noise on your Mercedes Classe S, it is plausible that it is due to a hole in the exhaust pipe, this is the most usual reason. To be able to verify this, locate somebody under the running motor car and accelerate to help them locate the source of the hole. Once located, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be swapped.
Element dislocated exhaust pipe Mercedes Classe S
The other possibility of being the subject of a muffled exhaust noise on Mercedes Classe S is to have a part of the exhaust system that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen after some time and generate an exhaust gas leak in places not intended for this goal. These fumes will then generate a loud noise. Same technique as above, we go under the Mercedes Classe S to determine the problem region, 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, consider looking at this content page which gives answers gives solutions about rear end noises on Mercedes Classe S.
Metal rattling exhaust sound Mercedes Classe S
Damaged exhaust muffler noise Mercedes Classe S
If, alternatively, you are exposed to an exhaust sound 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 your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Mercedes Classe S, cold, and tap each of the previously stated parts with a hammer to determine 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 Classe S, you will either have to find a resale one and do it yourself, or go to your technician.
Metal rattling exhaust noise Mercedes Classe S : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Classe S may be in connection with a poor attachment of your exhaust to your car. In fact, as time passes, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to check, when cold, that the pot holds well, to try to get it to move in different directions and watch how it responds. 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 check 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 swapped.
