When you detect abnormal noises on your Mercedes Benz S Class you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Mercedes Benz S Class. It is automatically assimilated to an engine unit problem and can therefore be considerable. As we know that you do not take these problems lightly, we have chosen to write this article 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 causes of a high pitched noise when accelerating with my Mercedes Benz S Class, then what is a whistling or ratling noise at the acceleration of my Mercedes Benz S Class, then the origins of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Mercedes Benz S Class makes a high-pitched noise when I accelerate:
If your Mercedes Benz S Class generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your problem. You will need to determine if this noise happens abruptly and if it can stop as it started. The alternator belt is a wearing part that is utilized to carry power to the secondary components of your Mercedes Benz S Class’s engine and although it is less important than the timing belt it can bring about engine failure if it breaks. This sound may be a sign of a slackened belt, in which case the tensioner roller or its wear and tear may be at fault. In any case, check the state of your belt and its tension. If it causes this acceleration noise on Mercedes Benz S Class, go to your auto technician.
Ma Mercedes Benz S Class 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 accompanies the rattling noise when you accelerate with your Mercedes Benz S Class, it is possible that your turbo is failing and some of its parts are at the end of their life. Examine it and swap it if it is the reason, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to refer to this article about turbo noises on Mercedes Benz S Class, if you would like more info.
If, on the other hand, you do not feel any power loss due to an humming noise on your Mercedes Benz S Class, it is more than likely that you have one of your junctions or air hoses that has holes. So check the entire air supply system from your air filter to your engine to discover the starting point of this acceleration sound.
Ma Mercedes Benz S 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 S Class gets loud, then you will have to check out the rolling parts of your automobile. In fact, if this loud noise does not appear when you iddle, it is surely in connection with your transmission, and, in general, to your wheels. The most common reason is the state of your bearings, so don’t forget to check their state to ensure that it is not the reason of this loud noise when you accelerate. If not, go to this document about the noises related to Mercedes Benz S Class noise wheels.
Ma Mercedes Benz S Class produces a noise when I accelerate that ends when I stop accelerating:
At last, if you experience a noise when accelerating with your Mercedes Benz S 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. In fact, the clutch release bearings must be changed around 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 manifestations, go to your technician to change the clutch release bearings on your Mercedes Benz S Class. Go through our article on clutch noise on Mercedes Benz S Class for more information.
