It is rarely pleasing to perceive a sound you don’t know about, and which will arrive from your car. Thus, what if you spot an exhaust noise that remains on your Mercedes Benz M Class? It is highly probable that this is a minor problem, however, before being sure, it is better to operate some inspections. Our team has written 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 M Class and second, if you have a metallic rattling noise on your Mercedes Benz M Class.
Muffled exhaust noise Mercedes Benz M Class
Exhaust pipe with holes Mercedes Benz M 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 in the end become dirty, for example. If you have an exhaust noise on your Mercedes Benz M Class, it is plausible that it is due to a crack in the exhaust pipe, this is the most usual reason. To be able to validate this, position someone under the running motor car and accelerate to help them find the source of the hole. Once determined, 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 M Class
The other possibility of being confronted with a muffled exhaust noise on Mercedes Benz M Class is to have a part of the exhaust device that has dislocated resulting from vibrations for example. Indeed 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 make a loud noise. Same technique as above, we go under the Mercedes Benz M Class to discover the problem area, 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 document which gives solutions gives solutions about rear end noises on Mercedes Benz M Class.
Metal rattling exhaust sound Mercedes Benz M Class
Damaged exhaust muffler noise Mercedes Benz M Class
If, on the other hand, 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 destroyed. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To make sure, go under your Mercedes Benz M 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 dead 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 M Class, you will either have to find a used one and do it yourself, or go to your auto mechanic.
Metal rattling exhaust noise Mercedes Benz M Class : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Benz M Class may be connected to a poor attachment of your exhaust to your car. Indeed, over time, 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 reacts. Backwards there should be some play and be able to move but not too much. The closer you get to the engine unit, 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.
