When you detect unusual sounds on your Mercedes Classe C you tend to stress about them. Especially when you feel a noise when you accelerate on your Mercedes Classe C. It is instantly assimilated to an engine problem and can therefore be significant. As we know that you do not take these disorders lightly, we have made a decision to prepare this document to help you find the causes and eradicate this matter 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 C, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe C, then the sources of a noise that intensifies during acceleration and to finish a noise that ceases when I stop accelerating.noise-when-acceleratingmercedes-classe-c

Ma Mercedes Classe C makes a high-pitched noise when I accelerate:

If your Mercedes Classe C makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the induce of your problem. You will need to define if this noise takes place abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to bring power to the secondary components of your Mercedes Classe C’s engine and although it is less vital than the timing belt it can induce engine problem if it fails. This noise may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, examine the state of your belt and its tension. If it causes this acceleration noise on Mercedes Classe C, go to your auto technician.

Ma Mercedes Classe C makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Mercedes Classe C, it is possible that your turbo is failing and some of its parts are at the end of their life. Check it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to consult this content about turbo noises on Mercedes Classe C, if you would like more info.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not feel any power loss due to an humming noise on your Mercedes Classe C, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the complete air supply system from your air filter to your engine to locate the origin of this acceleration sound.

Ma Mercedes Classe C makes 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 C gets loud, then you will have to think about the rolling parts of your automobile. Indeed, if this loud noise does not occur when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. The most known cause is the state of your bearings, so remember to examine their condition to ensure that 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 C noise wheels.

Ma Mercedes Classe C makes a noise when I accelerate that stops when I stop accelerating:

At last, if you encounter a noise when accelerating with your Mercedes Classe C 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. Indeed, the clutch release bearings must be replaced almost every 120 000 / 130 000km. To check it, you just have to see if you have more difficulty than every time shifting gears, if you feel a resistance either stronger or non-existent in the clutch pedal. If you have any of these signs of illness, go to your auto technician to change the clutch release bearings on your Mercedes Classe C. Read our article on clutch noise on Mercedes Classe C for more information.