It is never pleasing to find out a sound you don’t know about, and which originates from your car. Thus, what if you detect an exhaust noise that continues on your Mercedes Benz S Class? It is highly possible that this is a small trouble, however, before being sure, it is better to carry out some checks. Our team has produced this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Mercedes Benz S Class and second, if you have a metallic rattling noise on your Mercedes Benz S Class.
Muffled exhaust noise Mercedes Benz S Class
Exhaust pipe with holes Mercedes Benz S Class
Having a muffled sound from its exhaust is not insignificant and can cause over-consumption, or a malfunction of the engine unit, which could finally become dirty, for example. If you have an exhaust noise on your Mercedes Benz S Class, it is possible that it is due to a crack in the exhaust pipe, this is the most common cause. To be able to verify this, position somebody under the running motor automobile and accelerate to help them find the starting point of the hole. Once identified, 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 Benz S Class
The other possibility of being suffering from a muffled exhaust noise on Mercedes Benz S Class is to have a part of the exhaust system that has dislocated caused by vibrations for example. In fact some junctions of the different parts of the pot can loosen along with time and cause 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 Benz S Class to identify the trouble 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, consider having a look at this article which gives solutions gives solutions about rear end noises on Mercedes Benz S Class.
Metal rattling exhaust sound Mercedes Benz S Class
Damaged exhaust muffler noise Mercedes Benz S Class
If, on the other hand, you are exposed to an exhaust sound that is more of a metallic sort of, it is possible that one or more parts of your exhaust may be injured. Indeed, it is possible that either your baffles, the catalyst or the silencer are the reason of this noise. To be sure, go under your Mercedes Benz S Class, cold, and tap each of the previously stated parts with a hammer to identify the origin 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 dead catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Mercedes Benz S Class, you will either have to find a used one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Mercedes Benz S Class : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Benz S Class may be in connection with a poor attachment of your exhaust to your automobile. In fact, over time, vibrations, the pot fasteners on the automobile 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.
