To follow up on my original posting, I had my '98 E320 checked by my mechanic for suspension noise this morning. The cause is loose ball joints, primarily the passenger side.

I was very surprised because they were already replaced while under warranty at just under 50K miles. According to my mechanic, this is a very common item for replacement on all W210s.

I'll have them replaced next week, but I'm really disappointed that this already requires replacement. In the past I've driven cars that include Ford, Chevy, Toyota and Honda to 75K-100K miles and never had the ball joints replaced. Maybe ball joint replacement is something common for late model cars of all marquees. Or, maybe it's just another example of Mercedes' quality, but I won't start that rant on this thread.

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Dave

1998 E320
2001 SLK320
2000 Lexus RX300