Squeaking noise while driving? - Mercedes-Benz Forum
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#1 (permalink) Old 04-05-2012, 10:07 AM
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Squeaking noise while driving?

While driving under 10mph, I can hear some loud squeaking coming from the right side of the vehicle. I'm not sure if it's a bushing or the springs. What could the problem be and what could the possible solution be? What steps should I take to locate the issue?
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#2 (permalink) Old 04-05-2012, 11:03 AM
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Just driving or driving over bumps or while turning?

Do you hear any noise if you radically bounce the front or rear corner on that side?

Do you feel anything (through the steering wheel or floorboard) when the squeaking is happening?

If you have a smartphone, figure out a way to affix it to the right front and then right rear suspension (zip ties usually work well), then turn on the recorder and go for a drive. That will at least help you know if it is front or rear.

Of course you could also take it to a shop and ask them what they would charge to isolate it; the use of a lift can be very helpful (and much safer) for some of these sorts of things.

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#3 (permalink) Old 04-05-2012, 11:17 AM
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Just driving or driving over bumps or while turning? Driving and over bumps

Do you hear any noise if you radically bounce the front or rear corner on that side?Yes I do

Do you feel anything (through the steering wheel or floorboard) when the squeaking is happening? Nope

If you have a smartphone, figure out a way to affix it to the right front and then right rear suspension (zip ties usually work well), then turn on the recorder and go for a drive. That will at least help you know if it is front or rear. I'll get my coworker to stick his head out of the window

Of course you could also take it to a shop and ask them what they would charge to isolate it; the use of a lift can be very helpful (and much safer) for some of these sorts of things. I was told that it was the rear bushing making the noise and some lubricant would fix the issue, but it doesn't seem to have helped
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#4 (permalink) Old 04-05-2012, 11:24 AM
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Wow. So just driving over a smooth road you can hear this? Is it a constant squeak or rhythmic/periodic, and if the latter does it vary with speed? Is it twice as fast at 10 as at five, for example?

My guess is that the noise is always there, but above a certain speed you simply can no longer hear it.

So if you bounce it and can hear it, then you should know for sure if it's from the front or rear. Driving up onto ramps on that side will allow you to get your head under there and listen while a friend bounces it; if you can't isolate it then a piece of vacuum line held to one ear and pointed around at various mounting points should get you to the place where you can identify the specific location from whence the noise cometh. Once you have that you can try a spray white lithium grease, which can work, though if it's a link bushing, etc. those are cheap and easy enough just to change. Hopefully it's not the frame/chassis bushings, those are beasts to replace from a labor perspective.
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#5 (permalink) Old 04-05-2012, 12:31 PM
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Is your car lowered? Does it have aftermarket camber arms? My Speedybenz arms will occasionally squeak if I haven't lubed them in a while.

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#6 (permalink) Old 04-05-2012, 01:02 PM
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Quote:
Originally Posted by fata1ity View Post
While driving under 10mph, I can hear some loud squeaking coming from the right side of the vehicle. I'm not sure if it's a bushing or the springs. What could the problem be and what could the possible solution be? What steps should I take to locate the issue?
Get a can of silicone spray and soak all the rubber bushes you can find in the area you think the noise is coming from...that'll sort it.

For the avoidance of doubt, when answering posts I am referring to the W210 Mercedes...not the Renault12ts.
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#7 (permalink) Old 04-05-2012, 01:42 PM
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Quote:
Originally Posted by Check Codes View Post
Wow. So just driving over a smooth road you can hear this? Is it a constant squeak or rhythmic/periodic, and if the latter does it vary with speed? Is it twice as fast at 10 as at five, for example?

My guess is that the noise is always there, but above a certain speed you simply can no longer hear it.

So if you bounce it and can hear it, then you should know for sure if it's from the front or rear. Driving up onto ramps on that side will allow you to get your head under there and listen while a friend bounces it; if you can't isolate it then a piece of vacuum line held to one ear and pointed around at various mounting points should get you to the place where you can identify the specific location from whence the noise cometh. Once you have that you can try a spray white lithium grease, which can work, though if it's a link bushing, etc. those are cheap and easy enough just to change. Hopefully it's not the frame/chassis bushings, those are beasts to replace from a labor perspective.
No road is smooth, so it's on minor to major bumpy roads. It's periodic, as I hit the bump the car will squeak. I don't think it varies with speed, however I do believe you're right about not being able to hear it after a certain speed.

Quote:
Originally Posted by suicidal4life View Post
Is your car lowered? Does it have aftermarket camber arms? My Speedybenz arms will occasionally squeak if I haven't lubed them in a while.
Nope, all stock.
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#8 (permalink) Old 04-05-2012, 05:11 PM
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My bet is that it is your upper ball joint. Reach across the tire and put your hand on the ball joint which sticks up a bit just inside the tire. Bounce the car slightly. If it squeaks you should feel the ball joint vibrate. Of course it could be something else, but it sounds like my ball joints did.
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#9 (permalink) Old 04-06-2012, 11:55 AM
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I have the same squeaking at low speed on the W211, replaced the lower ball joint and that squeak went away.
Not sure if the same apply to the W210. I didn't have any squeak on my W210.
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#10 (permalink) Old 04-06-2012, 12:46 PM
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My 02 E320 squeaks too!

This is unbelievable as my car is doing the same thing.. Slower speed squeak from passenger side front. Drive slow and squeak-squeak-squeak. Press down on front fender and she squeaks away. Now mine is a bit tempermental. seems to act up more with road moisture and after driving awhile. MB shop said no can find problem X 2. So, recorded sound as I pressed on fender. Front struts they now say. Estimate of $920.00 for both. Non-MB shop says $522.00 (labor 1.5 hr = $135 and parts $387) Does this sound like a right amount? Thanks for any imput....
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