When you discover unusual sounds on your Mercedes Classe C 4 you tend to worry about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe C 4. It is instantly assimilated to an engine unit trouble and can therefore be severe. As we know that you do not take these disorders lightly, we have made a decision to write this article to help you find the causes and eliminate this matter 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 C 4, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe C 4, then the origins of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Mercedes Classe C 4 makes a high-pitched noise when I accelerate:
If your Mercedes Classe C 4 produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your trouble. You will need to identify if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to supply power to the secondary components of your Mercedes Classe C 4’s engine and although it is less crucial than the timing belt it can induce engine troubles 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 at fault. In any case, verify the state of your belt and its tension. If it causes this acceleration noise on Mercedes Classe C 4, go to your auto mechanic.
Ma Mercedes Classe C 4 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 C 4, it is plausible that your turbo is failing and some of its components are at the end of their life. Verify it and replace it if it is the reason, otherwise you risk clogging your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to consult this content about turbo noises on Mercedes Classe C 4, 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 C 4, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the whole air supply system from your air filter to your engine to determine the starting point of this acceleration sound.
Ma Mercedes Classe C 4 produces 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 4 gets loud, then you will have to look at the rolling parts of your automobile. Indeed, if this loud noise does not appear when you iddle, it is necessarily related to your transmission, and, in general, to your wheels. The most regular reason is the state of your bearings, so make sure you verify their state to make sure it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Mercedes Classe C 4 noise wheels.
Ma Mercedes Classe C 4 produces a noise when I accelerate that stops when I stop accelerating:
To finish, if you experience a noise when accelerating with your Mercedes Classe C 4 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 replaced almost every 120 000 / 130 000km. To evaluate it, you just have to see if you have more difficulty than usual 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 C 4. Read our article on clutch noise on Mercedes Classe C 4 for more information.
