When you detect abnormal noises on your Mercedes Classe E 5 you tend to worry about them. Especially when you feel a noise when you accelerate on your Mercedes Classe E 5. It is automatically assimilated to an engine problem and can therefore be significant. As we know that you do not take these trouble lightly, we have chosen to publish this article to help you find the causes and eradicate this issues 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 E 5, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe E 5, then the sources of a noise that intensifies during acceleration and to finish a noise that stops when I stop accelerating.
Ma Mercedes Classe E 5 makes a high-pitched noise when I accelerate:
If your Mercedes Classe E 5 makes a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your problem. 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 bring power to the secondary components of your Mercedes Classe E 5’s engine and although it is less important than the timing belt it can generate engine damage if it stops working. This sound may be a symptom 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 E 5, go to your mechanic.
Ma Mercedes Classe E 5 makes whining noise when I accelerate:
- Rattling or whistling noise generated by the turbo
- Humming noise caused by air leakage
If you have a power loss that occurs with the rattling noise when you accelerate with your Mercedes Classe E 5, it is plausible that your turbo is declining and some of its parts are at the end of their life. Examine it and replace it if it is the cause, otherwise you risk blockage your engine in the long run. If you notice this blowing or whistling sound on your car, feel free to refer to this content page about turbo noises on Mercedes Classe E 5, if you would like more details.
If, on the other hand, you do not get any power loss due to an humming noise on your Mercedes Classe E 5, 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 source of this acceleration sound.
Ma Mercedes Classe E 5 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 E 5 gets loud, then you will have to check 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 known cause is the state of your bearings, so make sure you verify their state to make 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 E 5 noise wheels.
Ma Mercedes Classe E 5 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 E 5 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 cause. Indeed, the clutch release bearings must be replaced around 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 signs of illness, go to your mechanic to swap the clutch release bearings on your Mercedes Classe E 5. Go through our article on clutch noise on Mercedes Classe E 5 for more information.
