Finding out noises from your vehicle often is never reassuring, so discovering noises on your Mercedes Benz GLA Class suspensions when you go over a speed bump can be disturbing. This warning sign may be a sign of a minor trouble as well as a warning of a much larger repair to come. In any case, it is essential to check the source and take the necessary actions to solve the trouble, it is with this objective in mind that we wanted to write this document to support you see more clearly. We will first see the possible reasons for a crack when the speed bump passes, then, what can be the cause of a squeaking noise when a speed bump is being passed and finally what to do if you have another noise when a speed bump is passed.
Suspension cracking noise Mercedes Benz GLA Class
Check Mercedes Benz GLA Class suspension
If you experience a suspension noise when you pass a speed bump on your Mercedes Benz GLA Class, and it is characterized by a “clack” or cracking, it is highly possible that your suspension block is the cause of it. Indeed, it may be the suspension cups, which, when they are old, have the rubber (silentblock) that acts as a buffer and shock absorber for the upper part of the suspension that no longer fulfils its job during small bumps that compress the suspensions. To verify if this is the trouble that worries you, take a dented road and focus on the noise coming from your front axle as you circulate over holes. If it is indeed the cups, think of changing them fairly quickly or you may affect other parts and have to make more important fixes.
Check the cardan shaft
If you are here because you have searched for “Mercedes Benz GLA Class suspension noise” and the suspension is not the cause of your problem, it may be that the cardan shaft is responsible. Indeed, when the cardan bellows get old and the dirt/dust builds up inside them their functions is degraded and it is possible to experience a sound when they are in torsion. To verify this, you can try both types of torsion, first vertical with suspension compressions on the speed bump passages, and horizontal when you are going to make a turn at low speed. If it cracks in these two circumstances you should consider swapping it or them. If you have the feeling that this noise is more like a a loud noise on Mercedes Benz GLA Class, don’t hesitate to visit this content.
Check steering hinges/stabilizer bar
Finally, when you know a suspension noise when your Mercedes Benz GLA Class passes over a speed bumps, it is possible that the hinges or the stabilizer bar are responsible. Just like the gimbals, the steering part is mobilized when you vary direction. If this is your situation, the parts that may have been broken by usual wear and tear or impacts (e. g. sidewalks). The steering hinges, the stabilizer bar hinges. can be the origins of your noises, to verify it, position it under the car and apply twists on each of its components to verify that there is no particular play on one of them, they are meant to resist you quite strongly over their entire travel. Keep in mind to take your vehicle to your technician or swap them if they are involved.
squeaky noise speed bump Mercedes Benz GLA Class
Check the stabilizer bar
If, alternatively, you have a noise that is more like a squeak when you go over a speed bump with your Mercedes Benz GLA Class, it is possible that it is the stabilizer bar itself that is concerned. Indeed, abnormal/pronounced wear of the latter can cause uncommon friction which can generate this squeaking noise. Please remember to verify by going under your car the condition of the paint on your bar which will reveal if there is friction. Second possible point, it may be your stabilizer bar silentblocks that are dried out and create noise, in which case remove them from the cradle and grease them, this should solve the trouble.
Check engine silentblocks
Finally, last point that we can verify together, it is the engine silentblocks, actually, these silentblocks process as pads/shock absorbers between the engine and the cradle of the vehicle, a obvious fatigue of these will create a subsidence and therefore a space between the engine and the silentblocks, it may happen that a squeaking noise appears when you pass a speed bumps or any holes with your Mercedes Benz GLA Class. To replace them go to your auto mechanic.
Other speed bump noise Mercedes Benz GLA Class
If, even though all its assumptions, you still can’t find the origin of the noise your Mercedes Benz GLA Class makes when you pass a speed bump, we encourage you to consult this content on a loud noise on Mercedes Benz GLA Class or to visit your technician in order to carry an in-depth check on your Mercedes Benz GLA Class and find this trouble.
