When you observe abnormal sounds on your Mercedes Classe E you tend to worry about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe E. It is instantly assimilated to an engine motor issue and can therefore be serious. As we know that you do not take these trouble lightly, we have chosen to publish this content page to support you find the causes and wipe out this matter 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 Classe E, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe E, then the origins of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Mercedes Classe E makes a high-pitched noise when I accelerate:
If your Mercedes Classe E makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your issue. You will need to identify if this noise happens 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 E’s engine and although it is less important than the timing belt it can bring about engine problem if it stops working. This noise 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 state of your belt and its tension. If it causes this acceleration noise on Mercedes Classe E, go to your technician.
Ma Mercedes Classe E 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 occurs with the rattling noise when you accelerate with your Mercedes Classe E, it is possible that your turbo is declining and some of its parts are at the end of their life. Examine it and change it if it is the reason, otherwise you risk clogging your engine in the long run. If you notice this blowing or whistling noise on your car, feel free to read this content about turbo noises on Mercedes Classe E, 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 E, it is more than likely that you have one of your junctions or air hoses that has holes. So verify the entire air supply system from your air filter to your engine to locate the source of this acceleration sound.
Ma Mercedes Classe E 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 gets loud, then you will have to think about the rolling parts of your vehicle. Indeed, if this loud noise does not emerge when you iddle, it is certainly linked to your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so make sure you verify their condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this article about the noises related to Mercedes Classe E noise wheels.
Ma Mercedes Classe E creates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Mercedes Classe E 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 swapped approximately every 120 000 / 130 000km. To test 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 symptoms, go to your technician to replace the clutch release bearings on your Mercedes Classe E. Read our article on clutch noise on Mercedes Classe E for more information.
