When you find out about uncommon noises on your Mercedes Slk you tend to stress about them. Especially when you feel a noise when you accelerate on your Mercedes Slk. It is automatically assimilated to an engine unit issue and can therefore be significant. As we know that you do not take these disorders lightly, we have made a decision to publish this article to support you find the causes and eliminate this matter 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 Slk, then what is a whistling or ratling noise at the acceleration of my Mercedes Slk, then the origins of a noise that intensifies during acceleration and finally a noise that ends when I stop accelerating.noise-when-acceleratingmercedes-slk

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

If your Mercedes Slk produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the induce of your issue. You will need to establish if this noise shows up suddenly 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 Slk’s engine and although it is less important than the timing belt it can cause engine problem if it fails. This noise may be a symptom 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 Slk, go to your technician.

Ma Mercedes Slk makes whining noise when I accelerate:

  • Rattling or whistling noise created by the turbo
  • If you have a power loss that accompanies the rattling noise when you accelerate with your Mercedes Slk, it is possible that your turbo is declining and some of its parts are at the end of their life. Verify it and swap it if it is the induce, otherwise you risk clogging your engine in the long run. If you find out this blowing or whistling noise on your car, feel free to consult this document about turbo noises on Mercedes Slk, if you would like more information.

  • Humming noise caused by air leakage
  • If, on the other hand, you do not experience any power loss due to an humming noise on your Mercedes Slk, 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 source of this acceleration sound.

Ma Mercedes Slk 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 Slk gets loud, then you will have to think about the rolling parts of your automobile. In fact, if this loud noise does not surface 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 don’t forget to check their state 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 Slk noise wheels.

Ma Mercedes Slk creates a noise when I accelerate that stops when I stop accelerating:

Finally, if you encounter a noise when accelerating with your Mercedes Slk 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. In fact, the clutch release bearings must be replaced 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 replace the clutch release bearings on your Mercedes Slk. Read our article on clutch noise on Mercedes Slk for more information.