When you detect irregular sounds on your Mercedes Classe Glc you tend to stress about them. Especially when you feel a noise when you accelerate on your Mercedes Classe Glc. It is automatically assimilated to an engine motor trouble and can therefore be critical. As we know that you do not take these trouble lightly, we have decided to prepare this article to support you find the causes and eliminate 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 Glc, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe Glc, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.noise-when-acceleratingmercedes-classe-glc

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

If your Mercedes Classe Glc generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your trouble. You will need to define if this noise occurs abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to carry power to the secondary components of your Mercedes Classe Glc’s engine and although it is less crucial than the timing belt it can generate engine troubles if it stops working. This noise may be a warning sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Classe Glc, go to your technician.

Ma Mercedes Classe Glc makes whining noise when I accelerate:

  • Rattling or whistling noise caused by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Mercedes Classe Glc, it is plausible that your turbo is screwing up and some of its parts are at the end of their life. Check it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling noise on your car, feel free to refer to this article about turbo noises on Mercedes Classe Glc, if you would like more information.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not experience any power loss due to an humming noise on your Mercedes Classe Glc, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to discover the starting point of this acceleration sound.

Ma Mercedes Classe Glc 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 Glc gets loud, then you will have to check out the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most known reason is the state of your bearings, so don’t forget to check their condition to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this content page about the noises related to Mercedes Classe Glc noise wheels.

Ma Mercedes Classe Glc creates a noise when I accelerate that ends when I stop accelerating:

To finish, if you experience a noise when accelerating with your Mercedes Classe Glc and this noise which could be a cliking sound tends to end when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. Indeed, the clutch release bearings must be replaced approximately every 120 000 / 130 000km. To test 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 symptoms, go to your auto technician to change the clutch release bearings on your Mercedes Classe Glc. Read our article on clutch noise on Mercedes Classe Glc for more information.