When you come across uncommon noises on your Mercedes Benz CLS Class you tend to stress about them. Especially when you feel a noise when you accelerate on your Mercedes Benz CLS Class. It is automatically assimilated to an engine unit trouble and can therefore be considerable. As we know that you do not take these problems lightly, we have chosen to produce 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 Benz CLS Class, then what is a whistling or ratling noise at the acceleration of my Mercedes Benz CLS Class, then the origins of a noise that intensifies during acceleration and finally a noise that ceases when I stop accelerating.
Ma Mercedes Benz CLS Class makes a high-pitched noise when I accelerate:
If your Mercedes Benz CLS Class 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 determine if this noise occurs abruptly and if it can stop as it started. The alternator belt is a wearing part that is employed to get power to the secondary components of your Mercedes Benz CLS Class’s engine and although it is less vital than the timing belt it can bring about engine failure if it breaks. This sound may be a indicator 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 Benz CLS Class, go to your auto technician.
Ma Mercedes Benz CLS 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 CLS Class, it is conceivable that your turbo is screwing up and some of its elements are at the end of their life. Examine it and replace it if it is the induce, otherwise you risk blockage your engine in the long run. If you perceive this blowing or whistling sound on your car, feel free to refer to this content page about turbo noises on Mercedes Benz CLS Class, if you would like more information.
If, on the other hand, you do not feel any power loss due to an humming noise on your Mercedes Benz CLS Class, 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 origin of this acceleration sound.
Ma Mercedes Benz CLS Class 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 Benz CLS Class gets loud, then you will have to look at the rolling parts of your car. Indeed, if this loud noise does not occur when you iddle, it is certainly in connection with your transmission, and, in general, to your wheels. The most basic cause is the state of your bearings, so make sure you check their condition to ensure that 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 CLS Class noise wheels.
Ma Mercedes Benz CLS Class produces a noise when I accelerate that stops when I stop accelerating:
Finally, if you encounter a noise when accelerating with your Mercedes Benz CLS 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 cause. Indeed, 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 usual 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 mechanic to change the clutch release bearings on your Mercedes Benz CLS Class. Go through our article on clutch noise on Mercedes Benz CLS Class for more information.
