It is never enjoyable to discover a noise from your car you don’t know where from. Then what if you discover a serpentine belt noise that stays on your Mercedes Classe B? It is extremely conceivable that this is a insignificant trouble, but before being sure, it is better to accomplish some investigations. If this belt noise comes from your serpentine or driving belt, our team has written a document to help you finding and correcting it. First, we will look at the serpentine belt noises on your Mercedes Classe B and then we will look at the origins of these sounds.serpentine-belt-noise-mercedes-classe-b

I encounter noises from serpentine belt Mercedes Classe B

The best method to control the state of your belts is to listen to your vehicle. As soon as you perceive sounds such as squealing or bells, you should take a closer look to verify their origin. The function of the serpentine belt or driving belt of your Mercedes Classe B is to transfer the movement of the engine to the secondary parts that it will supply with energy. Like steering, air conditioning, water pump. Its role is therefore vital in the normal general 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 parts at variable speeds.

I discover squealing noises on my serpentine belt Mercedes Classe B

This type of squealing belt noises on Mercedes Classe B, which will often be acute, can in most cases arise when the engine is cold, or when the acceleration increases in intensity. . This type of noise must be heavy and it is often quite simple to connect it with one of these belts. To verify, do not hesitate to open your bonnet, engine running cold and check the origin of this noise, the serpentine or driving belt being exposed, it should not be too complicated for you to point a belt noise on your Mercedes Classe B. The cause of this trouble can be related to the damper pulley, which works as a damper to reduce 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 event is annodine. As the serpentine belt of your Mercedes Classe B is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Remember to verify the state of your belt (crack, crack), if this is the case replace it, otherwise simply tighten the belt.

I discover loud serpentine or driving belt noises Mercedes Classe B

Just like squealing, a driving belt noise on your Mercedes Classe B that sounds like a loud grinding sound can express a lot about its state. It is therefore important that you look further and locate the cause for this sound that can indicate 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 properly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the origin of this trouble. Make sure to verify first the serpentine/driving belt which in most cases is the cause of this trouble, otherwise it will be necessary to replace the tensioner or pulley.

I discover bearing noises on the serpentine belt of my Mercedes Classe B

Finally, if in your case you distinguish a bearing belt noise on Mercedes Classe B, 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 recommended 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 swap it if it is too short. If after checking all thoses alternatives, you still notice a belt noises, read our article about timing belt noises on Mercedes Classe B which could maybe help you.