When you detect abnormal noises on your Mercedes Benz GL Class you tend to concerns about them. Especially when you feel a noise when you accelerate on your Mercedes Benz GL Class. It is automatically assimilated to an engine motor issue and can therefore be critical. As we know that you do not take these trouble lightly, we have decided to produce this content to support you find the causes and wipe out this concern 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 GL Class, then what is a whistling or ratling noise at the acceleration of my Mercedes Benz GL Class, then the origins of a noise that intensifies during acceleration and at last a noise that ceases when I stop accelerating.
Ma Mercedes Benz GL Class makes a high-pitched noise when I accelerate:
If your Mercedes Benz GL Class makes a loud noise when you accelerate, it is quite plausible that the alternator belt is the cause of your issue. You will need to determine if this noise occurs 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 GL Class’s engine and although it is less crucial than the timing belt it can generate engine damage if it stops working. This noise may be a symptom of a slackened belt, in which case the tensioner roller or its wear and tear may be to blame. In any case, check the condition of your belt and its tension. If it causes this acceleration noise on Mercedes Benz GL Class, go to your mechanic.
Ma Mercedes Benz GL Class 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 comes with the rattling noise when you accelerate with your Mercedes Benz GL Class, it is conceivable that your turbo is declining 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 blockage your engine in the long run. If you notice this blowing or whistling noise on your car, feel free to refer to this document about turbo noises on Mercedes Benz GL Class, if you would like more information.
If, on the other hand, you do not get any power loss due to an humming noise on your Mercedes Benz GL 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 origin of this acceleration sound.
Ma Mercedes Benz GL Class makes 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 GL Class gets loud, then you will have to think about the rolling parts of your car. Indeed, if this loud noise does not surface when you iddle, it is necessarily related to your transmission, and, in general, to your wheels. The most common cause is the state of your bearings, so remember to check their condition to make 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 Benz GL Class noise wheels.
Ma Mercedes Benz GL Class generates a noise when I accelerate that stops when I stop accelerating:
At last, if you experience a noise when accelerating with your Mercedes Benz GL Class and this noise which could be a cliking sound tends to end 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 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 auto technician to replace the clutch release bearings on your Mercedes Benz GL Class. Go through our article on clutch noise on Mercedes Benz GL Class for more information.
