It is never enjoyable to discover a noise from your car you don’t know where from. So what if you notice a serpentine belt noise that lasts on your Mercedes Classe S? It is extremely plausible that this is a minimal problem, but before being sure, it is better to conduct some investigations. If this belt noise comes from your serpentine or driving belt, our team has written an article to help you finding and fixing it. First, we will look at the serpentine belt noises on your Mercedes Classe S and then we will take a look at the sources of these noises.
I experience noises from serpentine belt Mercedes Classe S
The best strategy to check the condition of your belts is to listen to your automobile. As soon as you recognise noises 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 S 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 important in the normal functionality of your automobile. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine parts at variable speeds.
I discover squealing noises on my serpentine belt Mercedes Classe S
This kind of squealing belt noises on Mercedes Classe S, which will often be acute, can in most cases appear when the engine is cold, or when the acceleration increases in intensity. . This kind of noise must be heavy and it is often 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 accessible, it should not be too difficult for you to locate a belt noise on your Mercedes Classe S. The reason of this problem can be connected to the damper pulley, which acts as a damper to get rid of 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 the opportunity that this event is annodine. As the serpentine belt of your Mercedes Classe S is exposed, it may squeak due to excessive humidity due to weather conditions and it may end with a change in conditions. Keep in mind to check the condition of your belt (crack, crack), if this is the case swap it, otherwise simply tighten the belt.
I discover loud serpentine or driving belt noises Mercedes Classe S
Just like squealing, a driving belt noise on your Mercedes Classe S that sounds like a loud grinding sound can express a lot about its condition. It is therefore necessary that you look further and find 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 correctly. Other alternatives, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this problem. Make sure you check first the serpentine/driving belt which in most cases is the reason of this problem, otherwise it will be necessary to swap the tensioner or pulley.
I discover bearing noises on the serpentine belt of my Mercedes Classe S
Finally, if in your case you identify a bearing belt noise on Mercedes Classe S, it is plausible that it is connected to a serpentine belt that is too tight . Indeed, it is plausible 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 problem 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 alternatives, you still identify a belt noises, read our article about timing belt noises on Mercedes Classe S which could maybe help you.
