When you come across irregular noises on your Mercedes Classe B 2 you tend to worry about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe B 2. It is automatically assimilated to an engine unit trouble and can therefore be significant. As we know that you do not take these complications lightly, we have chosen to compose this content page to support you find the causes and get rid of this concern as quickly as possible. To do this, we will first see what are the reasons of a high pitched noise when accelerating with my Mercedes Classe B 2, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe B 2, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.
Ma Mercedes Classe B 2 makes a high-pitched noise when I accelerate:
If your Mercedes Classe B 2 generates a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to determine if this noise happens suddenly 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 Classe B 2’s engine and although it is less crucial than the timing belt it can cause engine damage 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 to blame. In any case, verify the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Classe B 2, go to your auto mechanic.
Ma Mercedes Classe B 2 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 B 2, it is plausible that your turbo is failing and some of its components 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 discover this blowing or whistling sound on your car, feel free to refer to this document about turbo noises on Mercedes Classe B 2, if you would like more details.
If, on the other hand, you do not experience any power loss due to an humming noise on your Mercedes Classe B 2, 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 determine the source of this acceleration sound.
Ma Mercedes Classe B 2 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 B 2 gets loud, then you will have to check out the rolling parts of your car. Indeed, 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 common reason is the state of your bearings, so make sure you verify their condition to make sure 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 B 2 noise wheels.
Ma Mercedes Classe B 2 generates a noise when I accelerate that ends when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Mercedes Classe B 2 and this noise which could be a cliking sound tends to stop 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 swapped almost every 120 000 / 130 000km. To evaluate 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 technician to replace the clutch release bearings on your Mercedes Classe B 2. Go through our article on clutch noise on Mercedes Classe B 2 for more information.
