It is never pleasing to notice a noise from your car you don’t know where from. Then what if you detect a serpentine belt noise that lasts on your Mercedes Benz GLA Class? It is highly plausible that this is a minimal trouble, but before being sure, it is better to conduct some checks. If this belt noise comes from your serpentine or driving belt, our team has written a document to help you locating and fixing it. First, we will look at the serpentine belt noises on your Mercedes Benz GLA Class and then we will look at the origins of these sounds.serpentine-belt-noise-mercedes-benz-gla-class

I encounter noises from serpentine belt Mercedes Benz GLA Class

The best technique to check the state of your belts is to listen to your vehicle. Immediately after you perceive sounds such as squealing or bells, you should take a closer look to verify their source. The job of the serpentine belt or driving belt of your Mercedes Benz GLA Class is to transfer 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 vital in the normal functionality of your vehicle. The serpentine belt is said to be asynchronous, i.e. unlike the timing belt, it has the ability to drive different engine components at variable speeds.

I notice squealing noises on my serpentine belt Mercedes Benz GLA Class

This type of squealing belt noises on Mercedes Benz GLA Class, which will often be acute, can generally occur 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 relate it with one of these belts. To verify, do not hesitate to open your bonnet, engine running cold and check the source of this noise, the serpentine or driving belt being visible, it should not be too complicated for you to spot a belt noise on your Mercedes Benz GLA Class. The cause of this trouble can be related to the damper pulley, which functions as a damper to eliminate 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 possibility that this phenomenon is annodine. As the serpentine belt of your Mercedes Benz GLA Class is exposed, it may squeak due to excessive humidity due to weather conditions and it may stop with a change in conditions. Remember to verify the state of your belt (crack, crack), if this is the case change it, otherwise simply tighten the belt.

I notice loud serpentine or driving belt noises Mercedes Benz GLA Class

Just like squealing, a driving belt noise on your Mercedes Benz GLA Class that sounds like a loud grinding sound can reveal a lot about its state. It is therefore essential that you look further and locate 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 properly. Other possibilities, the dynamic belt tensioner or the disengageable pulley of the alternator may be at the source of this trouble. Don’t forget to verify first the serpentine/driving belt which in most cases is the cause of this trouble, otherwise it will be necessary to change the tensioner or pulley.

I notice bearing noises on the serpentine belt of my Mercedes Benz GLA Class

Finally, if in your case you distinguish a bearing belt noise on Mercedes Benz GLA Class, it is plausible that it is related to a serpentine belt that is too tight . Indeed, it is plausible that its size may be smaller than suggested 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 change 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 Benz GLA Class which could maybe help you.