Do you perceive an engine noise on your Mercedes Classe B 3 when you drive your automobile? We can understand that this is very worrying and that you are questioning. Discovering such a noise is not always a good indication, but it may also be nothing major. To support you fix this issue, our team has chosen to produce this content to help you in this investigation. In order to conduct this research as accurately as possible, we will first focus on clicking noises, then on whistling noises and, finally, on engine noises on Mercedes Classe B 3 metal type.
I perceive a clicking engine noise Mercedes Classe B 3
In case you recognise a clicking engine noise on your Mercedes Classe B 3, and that this noise is close to a click, you will have to detect the origin area 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 perceive a clicking noise coming from my high engine
If you perceive an engine noise on Mercedes Classe B 3, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying elements. Two elements can be the causes of these engine noises on Mercedes Classe B 3. Either the hydraulic pushers, generally it is because of their defective “hydraulic catch-up” system that we will perceive these clicking noises, often when cold and goes away when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the issue. In this case, reflect on changing them.
I perceive a noise coming from the bottom engine of my Mercedes Classe B 3
If you have distinguished the region of origin of engine noise on Mercedes Classe B 3 that comes from your low engine, it may be that your rods or piston shafts are the causes. In both scenarios, the long-term risk is engine failure. These two repairs are very complex and most mechanics will advise you to swap the motor of your Mercedes Classe B 3.
I perceive an engine clicking noise on Mercedes Classe B 3 coming from combustion
Finally, if you have the feeling that this clicking noise is linked to the combustion of your engine, there are three conceivable causes 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 induce good combustion. And finally, the most classic trigger, comes from your injection, which is either obstructed or one or more injectors is damaged. In this case, do not be reluctant to refer to this content which deals in detail with the distinct injector noises on Mercedes Classe B 3.
Hissing noise / engine friction Mercedes Classe B 3
Engine noise Mercedes Classe B 3 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 verify the state and try to locate 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 discover the region of origin of the noise. The three elements whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.
Engine noise Mercedes Classe B 3 when releasing or depressing the clutch
In the event that you pay attention to engine noise on Mercedes Classe B 3, but this noise occurs 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 information about this noise and if you have managed to confirm that the release bearing is indeed the cause of your concerns, go here, to find a complete file on release bearing sounds on Mercedes Classe B 3.
Engine noise Mercedes Classe B 3 close to a friction
In case that you perceive a motor noise on your Mercedes Classe B 3, and, that this noise is close to a friction, it is likely that one of your belts or one of the elements that causes it is the origin of your issues.Often, we will start to perceive a motor noise on Mercedes Classe B 3, 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 issue. So take into account to verify their state and go to your motor mechanic to change the elements in question. If you have been able to target the noise as coming from the belts and you want more details about it, go look at this content on belt noise on Mercedes Classe B 3 for a complete guide.
Metal motor noise Mercedes Classe B 3
In case that you perceive an engine noise on Mercedes Classe B 3 and this noise is close to metal noise, it is conceivable that this noise comes from your gearbox or clutch. In fact, a metallic noise in the engine block is often connected with damaged sprockets. Try to verify that this noise comes from the transmission, if this is the case, promptly go to your motor 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 causes 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 change them if needed. If you want to have more information about rubber mounts noises on Mercedes Classe B 3, read this content which gives you more information about the distinct types of noise and their origins.
