I have 121k miles.
Trans has been serviced by dealer at 20k intervals or less. I am due for a 30k mile service pretty soon.

Lower control arm bushings have been replaced, as has the front flex disc.

The noise sounds like it's coming from below me or in the engine bay... pretty sure it's not the rear.

Thanks.

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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)