It is never pleasing to listen to a sound you don’t know about, and which comes from your car. So, what if you identify an exhaust noise that is persistant on your Mercedes Slk? It is highly possible that this is a minor issue, however, before being sure, it is better to accomplish some verifications. Our team has written this to help you solve it. First, we will look at the possible reasons if you have a muffled exhaust sound on your Mercedes Slk and second, if you have a metallic rattling noise on your Mercedes Slk.
Muffled exhaust noise Mercedes Slk
Exhaust pipe with holes Mercedes Slk
Having a muffled sound from its exhaust is not insignificant and can end in over-consumption, or a malfunction of the engine, which could eventually become dirty, for example. If you have an exhaust noise on your Mercedes Slk, it is possible that it is due to a hole in the exhaust pipe, this is the most typical explanation. In order to verify this, situate someone under the running motor automobile and accelerate to help them determine the starting point 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 swapped.
Element dislocated exhaust pipe Mercedes Slk
The other possibility of being confronted with a muffled exhaust noise on Mercedes Slk is to have a part of the exhaust device that has dislocated caused by vibrations for example. Indeed some junctions of the different parts of the pot can loosen after some time and cause an exhaust gas leak in places not intended for this purpose. These fumes will then make a loud noise. Same technique as above, we go under the Mercedes Slk to discover the issue region, and tighten or change the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider looking at this content which gives solutions gives solutions about rear end noises on Mercedes Slk.
Metal rattling exhaust sound Mercedes Slk
Damaged exhaust muffler noise Mercedes Slk
If, on the other hand, you are subject to an exhaust sound that is more of a metallic type of, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To be sure, go under your Mercedes Slk, 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 Slk, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Metal rattling exhaust noise Mercedes Slk : Silentblock, loose pot
Finally, a metallic exhaust noise on your Mercedes Slk may be related to a poor attachment of your exhaust to your automobile. Indeed, after some 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 behaves. 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 swapped.
