It is rarely pleasant to hear a sound you don’t know about, and which will arrive from your car. Thus, what if you notice an exhaust noise that continues on your Mercedes Benz C Class? It is highly probable that this is a minimal problem, however, before being sure, it is better to operate some investigations. Our team has created this to support you resolve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Mercedes Benz C Class and second, if you have a metallic rattling noise on your Mercedes Benz C Class.exhaust-noise-mercedes-benz-c-class

Muffled exhaust noise Mercedes Benz C Class

Exhaust pipe with holes Mercedes Benz C 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 eventually become dirty, for example. If you have an exhaust noise on your Mercedes Benz C Class, it is plausible that it is due to a hole in the exhaust pipe, this is the most classic reason. To be able to validate this, position somebody under the running motor vehicle and accelerate to help them locate 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 replaced.

Element dislocated exhaust pipe Mercedes Benz C Class

The other possibility of being suffering from a muffled exhaust noise on Mercedes Benz C 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 with time and induce an exhaust gas leak in places not intended for this purpose. These fumes will then produce a loud noise. Same technique as above, we go under the Mercedes Benz C Class to establish the problem place, and tighten or replace the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, consider taking a look at this content page which gives answers gives solutions about rear end noises on Mercedes Benz C Class.

Metal rattling exhaust sound Mercedes Benz C Class

Damaged exhaust muffler noise Mercedes Benz C Class

If, alternatively, you are exposed to an exhaust sound that is more of a metallic sort 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 reason of this noise. To be sure, go under your Mercedes Benz C Class, cold, and tap each of the previously stated parts with a hammer to establish 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 C 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 C Class : Silentblock, loose pot

Finally, a metallic exhaust noise on your Mercedes Benz C Class may be connected to a poor attachment of your exhaust to your vehicle. In fact, as time passes, 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 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 replaced.