It is never relaxing to listen to a noise from your car you don’t know where from. Thus what if you identify a serpentine belt noise that persists on your Mercedes Classe B 2? It is highly conceivable that this is a minor trouble, but before being sure, it is better to operate some verifications. If this belt noise comes from your serpentine or driving belt, our team has written a post to help you finding and solving it. First, we will look at the serpentine belt noises on your Mercedes Classe B 2 and then we will take a look at the origins of these sounds.serpentine-belt-noise-mercedes-classe-b-2

I feel noises from serpentine belt Mercedes Classe B 2

The best strategy to control the condition of your belts is to listen to your vehicle. As soon as you find sounds such as squealing or bells, you should take a closer look to check their source. The role of the serpentine belt or driving belt of your Mercedes Classe B 2 is to transmit the movement of the engine to the secondary components that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore fundamental in the normal performance of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive distinctive engine components at variable speeds.

I listen to squealing noises on my serpentine belt Mercedes Classe B 2

This kind of squealing belt noises on Mercedes Classe B 2, which will often be acute, can commonly happen when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be significant and it is normally quite simple to link it with one of these belts. To check, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being exposed, it should not be too difficult for you to identify a belt noise on your Mercedes Classe B 2. The reason of this trouble can be related to the damper pulley, which functions as a damper to eradicate irregularities in the tension in the motor cycle and therefore in the energy transmission to the belt. This results in a loose belt that will jerk. However, you still have a chance that this phenomenon is annodine. As the serpentine belt of your Mercedes Classe B 2 is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to check the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.

I listen to loud serpentine or driving belt noises Mercedes Classe B 2

Just like squealing, a driving belt noise on your Mercedes Classe B 2 that sounds like a loud grinding sound can reveal a lot about its condition. It is therefore necessary that you look further and find the cause for this sound that can signal the end of your belt’s life. Like squealing noise, it can be identified in most cases when cold . It generally means a worn pulley whose streaks no longer allow it to be driven correctly. Other possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this trouble. Make sure to check first the serpentine/driving belt which in most cases is the reason of this trouble, otherwise it will be necessary to swap the tensioner or pulley.

I listen to bearing noises on the serpentine belt of my Mercedes Classe B 2

Finally, if in your case you discern a bearing belt noise on Mercedes Classe B 2, it is conceivable that it is related to a serpentine belt that is too tight . Indeed, it is conceivable that its size may be smaller than prescribed and cause the entire system to overvoltage, resulting in this whistling noise or slight rolling noise. The risk in this case is that the bearing bearings or the Damper pulley may fail . Remember, therefore, to stretch the belt to limit the risks or to replace it if it is too short. If after checking all thoses possibilities, you still identify a belt noises, read our article about timing belt noises on Mercedes Classe B 2 which could maybe help you.