When you notice unusual sounds on your Mercedes Benz E Class you tend to worry about them. Especially when you feel a noise when you accelerate on your Mercedes Benz E Class. It is immediately assimilated to an engine issue and can therefore be severe. As we know that you do not take these trouble lightly, we have chosen to write this article 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 reasons of a high pitched noise when accelerating with my Mercedes Benz E Class, then what is a whistling or ratling noise at the acceleration of my Mercedes Benz E Class, then the sources of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.
Ma Mercedes Benz E Class makes a high-pitched noise when I accelerate:
If your Mercedes Benz E Class generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason 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 employed to get power to the secondary components of your Mercedes Benz E Class’s engine and although it is less crucial than the timing belt it can bring about engine damage if it breaks. 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, check the state of your belt and its tension. If it causes this acceleration noise on Mercedes Benz E Class, go to your technician.
Ma Mercedes Benz E Class 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 Benz E Class, it is plausible that your turbo is failing and some of its parts are at the end of their life. Verify it and change it if it is the reason, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to refer to this content about turbo noises on Mercedes Benz E Class, 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 Benz E Class, it is more than likely that you have one of your junctions or air hoses that has holes. So check the whole air supply system from your air filter to your engine to determine the source of this acceleration sound.
Ma Mercedes Benz E Class 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 Benz E Class gets loud, then you will have to check out the rolling parts of your vehicle. Indeed, if this loud noise does not surface when you iddle, it is certainly connected to your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so make sure to check their condition to be 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 Benz E Class noise wheels.
Ma Mercedes Benz E Class creates a noise when I accelerate that ceases when I stop accelerating:
To finish, if you experience a noise when accelerating with your Mercedes Benz E Class 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 changed almost every 120 000 / 130 000km. To check it, you just have to see if you have more difficulty than usually 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 change the clutch release bearings on your Mercedes Benz E Class. Read our article on clutch noise on Mercedes Benz E Class for more information.
