It is rarely pleasant to find out a sound you don’t know about, and which comes from your car. So, what if you spot an exhaust noise that is persistant on your Mercedes Benz Sprinter? It is highly possible that this is a minimal issue, however, before being sure, it is better to accomplish some investigations. 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 Benz Sprinter and second, if you have a metallic rattling noise on your Mercedes Benz Sprinter.exhaust-noise-mercedes-benz-sprinter

Muffled exhaust noise Mercedes Benz Sprinter

Exhaust pipe with holes Mercedes Benz Sprinter

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 finally become dirty, for example. If you have an exhaust noise on your Mercedes Benz Sprinter, it is plausible that it is due to a crack in the exhaust pipe, this is the most regular cause. To be able to validate this, position a friend or relative under the running motor vehicle and accelerate to help them discover 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 replaced.

Element dislocated exhaust pipe Mercedes Benz Sprinter

The other possibility of being suffering from a muffled exhaust noise on Mercedes Benz Sprinter is to have a part of the exhaust system that has dislocated due to 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 purpose. These fumes will then create a loud noise. Same technique as above, we go under the Mercedes Benz Sprinter to discover the issue region, and tighten or swap the bolts. If you hear a muffled sound but after examining it doesn’t seem to come from the pot itself, consider taking a look at this content which gives answers gives solutions about rear end noises on Mercedes Benz Sprinter.

Metal rattling exhaust sound Mercedes Benz Sprinter

Damaged exhaust muffler noise Mercedes Benz Sprinter

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 broken. Indeed, it is possible that either your baffles, the catalyst or the silencer are the cause of this noise. To confirm, go under your Mercedes Benz Sprinter, 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 swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Mercedes Benz Sprinter, 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 Sprinter : Silentblock, loose pot

Finally, a metallic exhaust noise on your Mercedes Benz Sprinter may be in connection with 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 reacts. 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.