My 2006 mercedes cls500 has a bad front drivers side squeak. Sounds like the upper control arm? When I drive in the rain there's no noise, but I was told that it can be the lower ball joints, even though there's no play in them?

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ScottyKilmer
ScottyKilmer

Editor

yes it can, spray wd 40 on em and if noise goes away that's it

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