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Front differential issue

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3
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0
Location
Chicago
#1
Hello all!

New member here. I recently picked up a 2021 GLA45, and I'm excited to learn more about this car.
I purchased the car lightly used, with 11k miles. Still under a 1-year CPO warranty. Right as I brought it home, I noticed some shuddering in the rear diff when turning at low speed. The dealer changed the fluid under warranty, and that did the trick. I'm reading that this is a fairly common issue with these models, unfortunately.

My question is - am I correct to assume the 4Matic+ system in this car has a front diff as well? I'm now experiencing a similar issue coming from the front. It's more of a clunk when doing a full turn at slow speed, especially noticeable when cold. I'd appreciate any insight!

https://youtube.com/shorts/jpQhXDK9goU?feature=share
 

GLAFan

Member
Staff Member
Messages
73
Likes
2
#2
Hello all!

New member here. I recently picked up a 2021 GLA45, and I'm excited to learn more about this car.
I purchased the car lightly used, with 11k miles. Still under a 1-year CPO warranty. Right as I brought it home, I noticed some shuddering in the rear diff when turning at low speed. The dealer changed the fluid under warranty, and that did the trick. I'm reading that this is a fairly common issue with these models, unfortunately.

My question is - am I correct to assume the 4Matic+ system in this car has a front diff as well? I'm now experiencing a similar issue coming from the front. It's more of a clunk when doing a full turn at slow speed, especially noticeable when cold. I'd appreciate any insight!

https://youtube.com/shorts/jpQhXDK9goU?feature=share

Yes the shudder is a known issue, not much you can do about it.
 


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