When you notice irregular sounds on your Mercedes Classe S you tend to worry about them. Specifically when you feel a noise when you accelerate on your Mercedes Classe S. It is immediately assimilated to an engine motor trouble and can therefore be critical. As we know that you do not take these complications lightly, we have made a decision to write this document to help you find the causes and eradicate this issues 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 S, then what is a whistling or ratling noise at the acceleration of my Mercedes Classe S, then the sources of a noise that intensifies during acceleration and to finish a noise that ends when I stop accelerating.
Ma Mercedes Classe S makes a high-pitched noise when I accelerate:
If your Mercedes Classe S produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the induce of your trouble. You will need to define if this noise shows up abruptly and if it can stop as it started. The alternator belt is a wearing part that is used to get power to the secondary components of your Mercedes Classe S’s engine and although it is less vital than the timing belt it can cause engine problem 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 responsible. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Classe S, go to your technician.
Ma Mercedes Classe S 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 accompanies the rattling noise when you accelerate with your Mercedes Classe S, it is plausible that your turbo is screwing up and some of its components are at the end of their life. Examine it and swap it if it is the induce, otherwise you risk blockage your engine in the long run. If you find out this blowing or whistling sound on your car, feel free to consult this content about turbo noises on Mercedes Classe S, if you would like more info.
If, on the other hand, you do not experience any power loss due to an humming noise on your Mercedes Classe S, it is more than likely that you have one of your junctions or air hoses that has holes. So check the complete air supply system from your air filter to your engine to determine the source of this acceleration sound.
Ma Mercedes Classe S 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 S gets loud, then you will have to look at the rolling parts of your vehicle. 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 known cause is the state of your bearings, so make sure you check their condition to be 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 S noise wheels.
Ma Mercedes Classe S makes a noise when I accelerate that ceases when I stop accelerating:
To finish, if you encounter a noise when accelerating with your Mercedes Classe S 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 cause. In fact, the clutch release bearings must be changed approximately 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 auto technician to swap the clutch release bearings on your Mercedes Classe S. Go through our article on clutch noise on Mercedes Classe S for more information.
