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-   -   Dang front squeaks!! (https://mbworld.org/forums/c-class-w205/732610-dang-front-squeaks.html)

Scott120605 01-11-2019 12:15 PM

Dang front squeaks!!
 
Hey MB Experts, if I may - ask for some knowledge on what appears to be an issue that is not so uncommon.

Front passenger squeaks over every bump and even when your sitting parked and turning steering wheel left and right. Handles just fine while driving. I just can't take the squeaking.
2015 c 300 4matic with 55k on it. Has the typical sound of bad mattress. Its not loud yet but loud enough to drive me mad.

I've read through other posts with similar issues and here is what I've tried so far. Used silicone spray to hit the joints in suspension on front passenger side. Tried just soapy water, even some AT Reseal on boots in case it was a boot making the noise. There are times where it almost sounds like rubber making the noise.

The squeak noise sounds like its right on the inside of the passenger tire. Any suggestions as to what to look for 1st would be much appreciated. Any common failure points that I should start with, etc......
I started to use a grease needle to puncture the sealed up parts and re-grease them but thought better since I don't want to poke a bunch holes into things if I'm unsure...which will eventually lead to me replacing that part.

Sorry if I made this too long, trying to give as much info as I could. Thank you for any direction from all you MB experts!

rustycruiser 01-11-2019 11:08 PM


Originally Posted by Scott120605 (Post 7651516)
Hey MB Experts, if I may - ask for some knowledge on what appears to be an issue that is not so uncommon.

Front passenger squeaks over every bump and even when your sitting parked and turning steering wheel left and right. Handles just fine while driving. I just can't take the squeaking.
2015 c 300 4matic with 55k on it. Has the typical sound of bad mattress. Its not loud yet but loud enough to drive me mad.

I've read through other posts with similar issues and here is what I've tried so far. Used silicone spray to hit the joints in suspension on front passenger side. Tried just soapy water, even some AT Reseal on boots in case it was a boot making the noise. There are times where it almost sounds like rubber making the noise.

The squeak noise sounds like its right on the inside of the passenger tire. Any suggestions as to what to look for 1st would be much appreciated. Any common failure points that I should start with, etc......
I started to use a grease needle to puncture the sealed up parts and re-grease them but thought better since I don't want to poke a bunch holes into things if I'm unsure...which will eventually lead to me replacing that part.

Sorry if I made this too long, trying to give as much info as I could. Thank you for any direction from all you MB experts!

I have the same issue. Just started. I am not sure if it is the shock absorber, the power steering rack, or the anti roll bar.

It is the same front right side, same exact sound and symptoms. I have a video of it too. Just need the time and garage space to pull the front right wheel off and try identify the source

rustycruiser 01-11-2019 11:21 PM

https://mbworld.org/forums/s-class-w...ont-right.html

rustycruiser 01-11-2019 11:22 PM

https://mbworld.org/forums/s-class-w...ont-right.html

Sounds like the ball joint might be the issue

Scott120605 01-12-2019 08:12 AM

Thanks Rusty for the input and link to the previous post. Let me know if you figure yours out before i do. Start narrowing these down 1 by 1.

DylanM 01-12-2019 12:57 PM


Originally Posted by rustycruiser (Post 7652041)
https://mbworld.org/forums/s-class-w...ont-right.html

Sounds like the ball joint might be the issue

Thanks Rusty - have an he exact same issue on the driver side and taking it in today...

JAMADOR 01-14-2019 05:05 PM

I had a squeak in the LF of my RWD C300, but it was only when loading/unloading the suspension, most noticeable when getting in/out of the car. LF strut replaced & squeak was gone.
Hope yours is a easy fix as well.

DylanM 01-15-2019 12:24 PM

Got back from the dealer and the AMG tech diagnosed it as, get this, worn paint on the inside of one of the front rims that is cavitating against the tire bead! Now that's some sleuthing :eek:

That has to be one of the most unusual things I've heard as a cause (but all other components and the rack were silent)...apparently it's an issue that happens more often with the G Class. Will be looking to see how much a rim repair is.

JAMADOR 01-15-2019 02:31 PM

That's definitely a new one. Cause?

cavargas 01-16-2019 03:05 PM


Originally Posted by Scott120605 (Post 7651516)
Hey MB Experts, if I may - ask for some knowledge on what appears to be an issue that is not so uncommon.

Front passenger squeaks over every bump and even when your sitting parked and turning steering wheel left and right. Handles just fine while driving. I just can't take the squeaking.
2015 c 300 4matic with 55k on it. Has the typical sound of bad mattress. Its not loud yet but loud enough to drive me mad.

I've read through other posts with similar issues and here is what I've tried so far. Used silicone spray to hit the joints in suspension on front passenger side. Tried just soapy water, even some AT Reseal on boots in case it was a boot making the noise. There are times where it almost sounds like rubber making the noise.

The squeak noise sounds like its right on the inside of the passenger tire. Any suggestions as to what to look for 1st would be much appreciated. Any common failure points that I should start with, etc......
I started to use a grease needle to puncture the sealed up parts and re-grease them but thought better since I don't want to poke a bunch holes into things if I'm unsure...which will eventually lead to me replacing that part.

Sorry if I made this too long, trying to give as much info as I could. Thank you for any direction from all you MB experts!

I had the same issue, ball joint on the spring link (lower control arm) was the problem, replaced it myself.

rustycruiser 06-14-2019 01:10 PM

I guess I should have updated this sooner. The dealer replaced the lower control arm (205-330-58-01) to get rid of the squeak. Also performed an alignment after installing the new part. Squeaking gone

Brittnie Jane 06-14-2019 02:09 PM


Originally Posted by DylanM (Post 7654802)
Got back from the dealer and the AMG tech diagnosed it as, get this, worn paint on the inside of one of the front rims that is cavitating against the tire bead! Now that's some sleuthing :eek:

That has to be one of the most unusual things I've heard as a cause (but all other components and the rack were silent)...apparently it's an issue that happens more often with the G Class. Will be looking to see how much a rim repair is.

Your dealership should have someone that comes weekly that does paint and wheel correction on new factory vehicles off of the truck that may be able to repair it for a good price. My dealership's guy gave me his card and said he could even come to my work and correct my wheel scrapes since he is only at the dealership on Fridays. $75-$125 per wheel.

DylanM 06-14-2019 03:47 PM

Thanks Brittnie - that's exactly who they called in to fix it and also covered it under warranty (improperly seated bead from the factory). Surprisingly that was the cause of the squeak.


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