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In the last service on my 2010 Mercedes E-Class Cabriolet, the mechanic noted "offside link arm ball joint and nuts worn (Facing upward)".

I may replace it myself, but I'm not certain which arm they're referring to. I've annotated these images that I took with the names I know:

Front offside suspension looking rearwards from the front of the car. Front offside suspension looking forwards from the rear of the car.

What is it that the mechanic is referring to? While under the car I was able to check that all of the ball joints appeared to move normally apart from the lower control arm, which I was unable to move after I raised the car from the axle stands. I assume, because of the mysterious "facing up" comment, that this is the one he's referring to?

Thank you!

Daniel
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1 Answers1

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From looking at the pictures, the only ball joint which is present is on the lower control arm. This should be the one your mechanic is talking about. If you dissect what was given you, I think this bears out:

offside link arm ball joint and nuts worn (Facing upward)

  • offside - Away from the driver's side
  • link arm ball joint - There is only one ball joint in what you've shown us
  • Facing upwards - Which the ball joint for the lower control arm is

I have no clue how the mechanic would consider the nut for the ball joint is worn, but I'll just let that lie.

Pᴀᴜʟsᴛᴇʀ2
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