When you detect abnormal sounds on your Mercedes Classe B 3 you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe B 3. It is immediately assimilated to an engine unit issue and can therefore be serious. As we know that you do not take these trouble lightly, we have made a decision to prepare this content page to help you find the causes and wipe out 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 B 3, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe B 3, then the origins of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Mercedes Classe B 3 makes a high-pitched noise when I accelerate:
If your Mercedes Classe B 3 makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the induce of your issue. You will need to establish if this noise appears 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 B 3’s engine and although it is less important than the timing belt it can bring about engine failure 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 responsible. In any case, examine the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Classe B 3, go to your auto technician.
Ma Mercedes Classe B 3 makes whining noise when I accelerate:
- Rattling or whistling noise created by the turbo
- Humming noise caused by air leakage
If you have a power loss that accompanies the rattling noise when you accelerate with your Mercedes Classe B 3, it is conceivable that your turbo is failing and some of its elements are at the end of their life. Check it and replace it if it is the induce, otherwise you risk blockage your engine in the long run. If you find out this blowing or whistling noise on your car, feel free to refer to this content about turbo noises on Mercedes Classe B 3, if you would like more info.
If, on the other hand, you do not get any power loss due to an humming noise on your Mercedes Classe B 3, it is more than likely that you have one of your junctions or air hoses that has holes. So examine the whole air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Mercedes Classe B 3 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 B 3 gets loud, then you will have to look at the rolling parts of your car. Indeed, if this loud noise does not surface when you iddle, it is certainly in connection with your transmission, and, in general, to your wheels. The most known cause is the state of your bearings, so make sure to examine their condition to be sure it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Mercedes Classe B 3 noise wheels.
Ma Mercedes Classe B 3 produces a noise when I accelerate that ceases when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Mercedes Classe B 3 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 test 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 symptoms, go to your auto technician to swap the clutch release bearings on your Mercedes Classe B 3. Go through our article on clutch noise on Mercedes Classe B 3 for more information.
