When you find out about unusual sounds on your Mercedes Vito you tend to concerns about them. Specifically when you feel a noise when you accelerate on your Mercedes Vito. It is immediately assimilated to an engine unit problem and can therefore be severe. As we know that you do not take these trouble lightly, we have made a decision to create this content to support you find the causes and wipe out this issues 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 Vito, then what is a whistling or ratling noise at the acceleration of my Mercedes Vito, then the sources of a noise that intensifies during acceleration and finally a noise that stops when I stop accelerating.
Ma Mercedes Vito makes a high-pitched noise when I accelerate:
If your Mercedes Vito produces a loud noise when you accelerate, it is quite possible that the alternator belt is the cause of your problem. You will need to determine if this noise appears suddenly 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 Vito’s engine and although it is less vital than the timing belt it can cause engine problem if it breaks. This noise may be a sign 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 Vito, go to your mechanic.
Ma Mercedes Vito 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 Vito, it is possible that your turbo is failing and some of its parts are at the end of their life. Examine it and replace it if it is the cause, otherwise you risk clogging your engine in the long run. If you listen to this blowing or whistling noise on your car, feel free to consult this article about turbo noises on Mercedes Vito, if you would like more information.
If, on the other hand, you do not experience any power loss due to an humming noise on your Mercedes Vito, 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 discover the source of this acceleration sound.
Ma Mercedes Vito 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 Vito gets loud, then you will have to look at the rolling parts of your car. Indeed, if this loud noise does not show up when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. The most regular cause is the state of your bearings, so make sure you check their condition to make sure it is not the cause of this loud noise when you accelerate. If not, go to this content page about the noises related to Mercedes Vito noise wheels.
Ma Mercedes Vito makes a noise when I accelerate that stops when I stop accelerating:
Finally, if you experience a noise when accelerating with your Mercedes Vito 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. Indeed, the clutch release bearings must be replaced approximately every 120 000 / 130 000km. To test 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 symptoms, go to your auto mechanic to replace the clutch release bearings on your Mercedes Vito. Look at our article on clutch noise on Mercedes Vito for more information.
