You're welcome!
http://www.peachparts.com/shopforum/showthread.php?t=119149&highlight=injected+oil

I recently did the ball joints myself and posted the story in the DIY section, http://www.peachparts.com/Wikka/W124BallJoint

Just curious, but can you let me know what the job ends up costing?

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89 300te 222,222
92 300e 190,000