It is rarely pleasant to hear a sound you don’t know about, and which comes from your car. So, what if you find an exhaust noise that is persistant on your Mercedes Cla? It is highly probable that this is a minor issue, however, before being sure, it is better to accomplish some verifications. Our team has created this to support you fix it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Mercedes Cla and second, if you have a metallic rattling noise on your Mercedes Cla.
Muffled exhaust noise Mercedes Cla
Exhaust pipe with holes Mercedes Cla
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 eventually become dirty, for example. If you have an exhaust noise on your Mercedes Cla, 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, situate someone under the running motor automobile and accelerate to help them discover the source of the hole. Once discovered, 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 Cla
The other possibility of being the subject of a muffled exhaust noise on Mercedes Cla 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 after some time and induce an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Mercedes Cla to determine the issue area, and tighten or swap the bolts. If you hear a muffled sound but after verifying it doesn’t seem to come from the pot itself, think about looking at this content which gives answers gives solutions about rear end noises on Mercedes Cla.
Metal rattling exhaust sound Mercedes Cla
Damaged exhaust muffler noise Mercedes Cla
If, alternatively, you are exposed to an exhaust sound that is more of a metallic type of, it is plausible that one or more parts of your exhaust may be destroyed. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the reason of this noise. To be certain, go under your Mercedes Cla, cold, and tap each of the previously stated parts with a hammer to determine 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 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 Cla, you will either have to find a resale one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Mercedes Cla : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Cla may be related to 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 verify, 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 verify 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.
