Do you listen to an engine noise on your Mercedes Cla when you drive your vehicle? We understand that this is very worrying and that you are wanting to know. Finding out such a noise is not always a good indicator, but it may also be nothing serious. To help you resolve this trouble, our team has decided to create this content page to help you in this investigation. In order to carry out this research as accurately as possible, we will first concentrate on clicking noises, then on whistling noises and, finally, on engine noises on Mercedes Cla metal type.
I listen to a clicking engine noise Mercedes Cla
In case you acknowledge a clicking engine noise on your Mercedes Cla, and that this noise is close to a click, you will have to identify the origin place of it to be able to know the cause 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 Cla, and this noise is based at the top of the engine, it means that it is based at your cylinder head and accompanying elements. Two elements can be the origins of these engine noises on Mercedes Cla. 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 vanishes when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the concern. In this case, reflect on changing them.
I listen to a noise coming from the bottom engine of my Mercedes Cla
If you have located the area of origin of engine noise on Mercedes Cla that comes from your low engine, it may be that your rods or piston shafts are the triggers. In both situations, the long-term risk is engine failure. These two fixes are very complex and most technicians will advise you to change the motor of your Mercedes Cla.
I listen to an engine clicking noise on Mercedes Cla coming from combustion
Finally, if you have the feeling that this clicking noise is related to the combustion of your engine, there are three plausible triggers of it. Verify the condition 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 parts to promote good combustion. And finally, the most classic cause, comes from your injection, which is either clogged or one or more injectors is damaged. In this case, do not hesitate to browse this content page which deals in detail with the different injector noises on Mercedes Cla.
Hissing noise / engine friction Mercedes Cla
Engine noise Mercedes Cla 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 condition and try to discover the exact origins of this noise by positioning someone at the engine at idle, and if this noise is more likely to manifest in high rpm, accelerate and position someone at the engine block to establish the area 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 Cla when releasing or depressing the clutch
In the case that you identify engine noise on Mercedes Cla, 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 produce 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 trigger of your concerns, direction here, to find a complete file on release bearing sounds on Mercedes Cla.
Engine noise Mercedes Cla close to a friction
In the case that you listen to a motor noise on your Mercedes Cla, and, that this noise is close to a friction, it is likely that one of your belts or one of the parts that triggers it is the origin of your issues.Often, we will start to listen to a motor noise on Mercedes Cla, 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 trouble. So remember to check their condition and go to your 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 information about it, take a look at this content page on belt noise on Mercedes Cla for a complete guide.
Metal motor noise Mercedes Cla
In the case that you listen to an engine noise on Mercedes Cla and this noise is similar to metal noise, it is plausible 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 check that this noise comes from the transmission, if this is the case, promptly go to your technician 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 drive on roads in poor condition. Verify the condition of your silentblocks and change them if necessary. If you want to have more information about rubber mounts noises on Mercedes Cla, read this content page which gives you more information about the different types of noise and their origins.
