Do you listen to an engine noise on your Mercedes C class when you drive your automobile? We can understand that this is very troubling and that you are wondering. Finding out such a noise is not always a good sign, but it may also be nothing major. To support you solve this problem, our team has made a decision to write this content page to help you in this research. In order to accomplish this research as accurately as possible, we will first focus on clicking noises, then on whistling noises and, finally, on engine noises on Mercedes C class metal type.
I listen to a clicking engine noise Mercedes C class
In case you recognise a clicking engine noise on your Mercedes C class, and that this noise is close to a click, you will have to establish the origin location of it to be able to know the trigger of it. You will need a mechanical stethoscope or a large screwdriver to locate the original area of these noises.
I listen to a clicking noise coming from my high engine
If you listen to an engine noise on Mercedes C class, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying parts. Two parts can be the triggers of these engine noises on Mercedes C class. Either the hydraulic pushers, in general it is because of their faulty “hydraulic catch-up” system that we will listen to these clicking noises, often when cold and disappears when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the concern. In such a case, reflect on changing them.
I listen to a noise coming from the bottom engine of my Mercedes C class
If you have determined the location of origin of engine noise on Mercedes C class that comes from your low engine, it may be that your rods or piston shafts are the triggers. In both scenarios, the long-term risk is engine failure. These two fixes are very difficult and most technicians will advise you to replace the motor of your Mercedes C class.
I listen to an engine clicking noise on Mercedes C class coming from combustion
Finally, if you think that this clicking noise is relating to the combustion of your engine, there are three possible triggers of it. Check the state of your glow plugs which if worn can hinder the proper combustion of the fuel mixture. Then, your timing belt may be shifted and may poorly control the timing of the various engine elements to provide good combustion. And finally, the most classic trigger, comes from your injection, which is either blocked or one or more injectors is affected. In this case, do not be reluctant to browse this content page which deals in detail with the distinct injector noises on Mercedes C class.
Hissing noise / engine friction Mercedes C class
Engine noise Mercedes C class close to a bearing
If it is close to a squeaking noise you may have one of the bearings of your engine accessory parts that are reached. So check the state and try to discover the exact source of this noise by positioning someone at the engine at idle, and if this noise is more likely to show up in high rpm, accelerate and position someone at the engine block to determine the region of origin of the noise. The three parts whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.
Engine noise Mercedes C class when releasing or depressing the clutch
In the case that you notice engine noise on Mercedes C class, but this noise takes place mainly when you release or depress your clutch pedal, in such a case it is very likely that your release bearing is worn. In fact, a worn release bearing will make a noise close to a bell noise. To have more info about this noise and if you have managed to confirm that the release bearing is indeed the reason of your concerns, direction here, to find a complete file on release bearing sounds on Mercedes C class.
Engine noise Mercedes C class close to a friction
In case that you listen to a motor noise on your Mercedes C class, and, that this noise is close to a friction, it is likely that one of your belts or one of the elements that triggers it is the origin of your concerns.Often, we will start to listen to a motor noise on Mercedes C class, close to a friction when one of the belts is worn out or when one of the related parts like your alternator, or your tensioner roller is the problem. So think about to check their state and go to your auto technician to swap the parts in question. If you have been able to target the noise as coming from the belts and you want more information about it, check out this content page on belt noise on Mercedes C class for a complete guide.
Metal motor noise Mercedes C class
In case that you listen to an engine noise on Mercedes C class and this noise is similar to metal noise, it is possible that this noise comes from your gearbox or clutch. In fact, a metallic noise in the engine block is often associated with damaged sprockets. Try to check that this noise comes from the transmission, if this is the case, as soon as possible go to your auto mechanic or you would get a break down. Finally, the second possibility is that your silent engine blocks or rubber mounts may be dead. This triggers a metallic noise each time your engine moves, either because of a change of pace (acceleration or braking) or, when you pass on roads in poor state. Check the state of your silentblocks and swap them if required. If you want to have more info about rubber mounts noises on Mercedes C class, go through this content page which gives you more info about the distinct types of noise and their origins.
