When you identify irregular sounds on your Mercedes Benz CLA Class you tend to worry about them. Specifically when you feel a noise when you accelerate on your Mercedes Benz CLA Class. It is instantly assimilated to an engine trouble and can therefore be significant. As we know that you do not take these disorders lightly, we have made a decision to publish this document to support you find the causes and get rid of this issues as quickly as possible. To do this, we will first see what are the causes of a high pitched noise when accelerating with my Mercedes Benz CLA Class, then what is a whistling or ratling noise at the acceleration of my Mercedes Benz CLA Class, then the origins of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.noise-when-acceleratingmercedes-benz-cla-class

Ma Mercedes Benz CLA Class makes a high-pitched noise when I accelerate:

If your Mercedes Benz CLA Class makes a loud noise when you accelerate, it is quite conceivable that the alternator belt is the reason 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 used to get power to the secondary components of your Mercedes Benz CLA Class’s engine and although it is less important than the timing belt it can bring about engine failure if it breaks. This noise may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Benz CLA Class, go to your mechanic.

Ma Mercedes Benz CLA Class makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Mercedes Benz CLA Class, it is possible that your turbo is declining and some of its components are at the end of their life. Examine it and change it if it is the reason, otherwise you risk blockage your engine in the long run. If you notice this blowing or whistling noise on your car, feel free to read this content page about turbo noises on Mercedes Benz CLA Class, 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 Benz CLA Class, 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 determine the starting point of this acceleration sound.

Ma Mercedes Benz CLA Class 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 Benz CLA Class gets loud, then you will have to think about the rolling parts of your automobile. In fact, if this loud noise does not show up when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so make sure to examine their condition to be sure it is not the reason of this loud noise when you accelerate. If not, go to this article about the noises related to Mercedes Benz CLA Class noise wheels.

Ma Mercedes Benz CLA Class creates a noise when I accelerate that ends when I stop accelerating:

Finally, if you experience a noise when accelerating with your Mercedes Benz CLA Class 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. In fact, the clutch release bearings must be changed almost 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 manifestations, go to your auto mechanic to swap the clutch release bearings on your Mercedes Benz CLA Class. Read our article on clutch noise on Mercedes Benz CLA Class for more information.