When you discover abnormal sounds on your Mercedes Classe A you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe A. It is right away assimilated to an engine problem and can therefore be serious. As we know that you do not take these disorders lightly, we have decided to produce this document to support you find the causes and eradicate this issues as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Mercedes Classe A, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe A, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.
Ma Mercedes Classe A makes a high-pitched noise when I accelerate:
If your Mercedes Classe A generates a loud noise when you accelerate, it is quite possible that the alternator belt is the induce of your problem. You will need to define if this noise takes place suddenly and if it can stop as it started. The alternator belt is a wearing part that is utilized to supply power to the secondary components of your Mercedes Classe A’s engine and although it is less important than the timing belt it can generate engine failure if it stops working. This sound may be a indicator of a slackened belt, in which case the tensioner roller or its wear and tear may be responsible. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Classe A, go to your auto technician.
Ma Mercedes Classe A makes whining noise when I accelerate:
- Rattling or whistling noise caused by the turbo
- Humming noise caused by air leakage
If you have a power loss that comes with the rattling noise when you accelerate with your Mercedes Classe A, it is plausible that your turbo is screwing up and some of its parts are at the end of their life. Examine it and replace it if it is the induce, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to consult this document about turbo noises on Mercedes Classe A, if you would like more information.
If, on the other hand, you do not get any power loss due to an humming noise on your Mercedes Classe A, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the complete air supply system from your air filter to your engine to locate the origin of this acceleration sound.
Ma Mercedes Classe A generates an increasingly loud noise when I accelerate:
If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on Mercedes Classe A gets loud, then you will have to look at the rolling parts of your automobile. In fact, if this loud noise does not appear when you iddle, it is surely linked to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so don’t forget to verify their condition to be sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Mercedes Classe A noise wheels.
Ma Mercedes Classe A creates a noise when I accelerate that ends when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Mercedes Classe A and this noise which could be a cliking sound tends to reduce when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. In fact, the clutch release bearings must be changed around every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usually shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these manifestations, go to your mechanic to swap the clutch release bearings on your Mercedes Classe A. Go through our article on clutch noise on Mercedes Classe A for more information.
