S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Squeaks

Old Apr 24, 2017 | 04:18 PM
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2005 S 500
Squeaks

I have a 2005 S 500. I have recently replaced the front air shocks, but now, as I drive down the street, the car constantly squeaks. Any ideas?
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Old Apr 24, 2017 | 05:30 PM
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2006 S600, 2004 M6 GTO, S13 SR20DET 240sx
Suspension

Check your ball joints. Had a slight squeak over bumps recently; ended up being the ball joints that the front shock mounts to (lower mount), did those arms, and the lower ball joints at the knuckle too.

Get under your car when its on ramps or on a drive on lift, and flex the front suspension up and down, listen for what joints are making noise. I went as far as to poke a hole in the joint boot of the suspected ball joints once identified, just to confirm the noise went away with some lube sprayed into the joint.
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Old Apr 24, 2017 | 07:09 PM
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Mercedes
Originally Posted by srpowered240sx
Check your ball joints. Had a slight squeak over bumps recently; ended up being the ball joints that the front shock mounts to (lower mount), did those arms, and the lower ball joints at the knuckle too.

Get under your car when its on ramps or on a drive on lift, and flex the front suspension up and down, listen for what joints are making noise. I went as far as to poke a hole in the joint boot of the suspected ball joints once identified, just to confirm the noise went away with some lube sprayed into the joint.
agreed it's the control arms and ball joints

a temporary fix is to get a grease gun with a needle tip and inject grease into the rubber boots
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