When you identify uncommon sounds on your Mercedes Actros you tend to stress about them. Especially when you feel a noise when you accelerate on your Mercedes Actros. It is immediately assimilated to an engine unit trouble and can therefore be critical. As we know that you do not take these problems lightly, we have made a decision to compose this content to help you find the causes and get rid of this issues as quickly as possible. To do this, we will first see what are the oeigins of a high pitched noise when accelerating with my Mercedes Actros, then what is a whistling or ratling noise at the acceleration of my Mercedes Actros, then the origins of a noise that intensifies during acceleration and to finish a noise that ceases when I stop accelerating.noise-when-acceleratingmercedes-actros

Ma Mercedes Actros makes a high-pitched noise when I accelerate:

If your Mercedes Actros produces a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your trouble. You will need to identify if this noise occurs 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 Actros’s engine and although it is less vital than the timing belt it can generate engine damage if it fails. This sound may be a warning 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 condition of your belt and its tension. If it causes this acceleration noise on Mercedes Actros, go to your technician.

Ma Mercedes Actros makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that comes with the rattling noise when you accelerate with your Mercedes Actros, it is plausible that your turbo is screwing up and some of its parts are at the end of their life. Examine it and change it if it is the cause, otherwise you risk clogging your engine in the long run. If you hear this blowing or whistling sound on your car, feel free to read this content about turbo noises on Mercedes Actros, if you would like more information.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not feel any power loss due to an humming noise on your Mercedes Actros, 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 Actros 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 Actros gets loud, then you will have to look at the rolling parts of your vehicle. Indeed, if this loud noise does not occur when you iddle, it is necessarily related to your transmission, and, in general, to your wheels. The most known 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 document about the noises related to Mercedes Actros noise wheels.

Ma Mercedes Actros creates a noise when I accelerate that ceases when I stop accelerating:

To finish, if you experience a noise when accelerating with your Mercedes Actros 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 approximately every 120 000 / 130 000km. To check 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 replace the clutch release bearings on your Mercedes Actros. Read our article on clutch noise on Mercedes Actros for more information.