It is never pleasant to listen to a sound you don’t know about, and which will arrive from your car. So, what if you notice an exhaust noise that is persistant on your Mercedes Benz GL Class? It is highly possible that this is a minor issue, however, before being sure, it is better to operate some verifications. Our team has created this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Mercedes Benz GL Class and second, if you have a metallic rattling noise on your Mercedes Benz GL Class.
Muffled exhaust noise Mercedes Benz GL Class
Exhaust pipe with holes Mercedes Benz GL Class
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could in the end become dirty, for example. If you have an exhaust noise on your Mercedes Benz GL Class, it is possible that it is due to a hole in the exhaust pipe, this is the most usual reason. To be able to validate this, locate someone under the running motor vehicle and accelerate to help them identify the origin of the hole. Once found, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be changed.
Element dislocated exhaust pipe Mercedes Benz GL Class
The other possibility of being confronted with a muffled exhaust noise on Mercedes Benz GL Class is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. Indeed some junctions of the different parts of the pot can loosen after a while and induce an exhaust gas leak in places not intended for this purpose. These fumes will then create a loud noise. Same technique as above, we go under the Mercedes Benz GL Class to discover the issue location, 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 content page which gives answers gives solutions about rear end noises on Mercedes Benz GL Class.
Metal rattling exhaust sound Mercedes Benz GL Class
Damaged exhaust muffler noise Mercedes Benz GL Class
If, on the other hand, you are subject 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 weakened. Indeed, it is plausible that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your Mercedes Benz GL 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 replacing it, as well as the silencer. In this case, to stop the exhaust noise on your Mercedes Benz GL Class, you will either have to find a resale one and do it yourself, or go to your auto technician.
Metal rattling exhaust noise Mercedes Benz GL Class : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Benz GL Class may be connected to a poor attachment of your exhaust to your vehicle. Indeed, after some time, vibrations, the pot fasteners on the vehicle 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 behaves. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, 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 changed.
