100k to 300k describes the mileage range of perhaps 95% of the W124s out there, so it's not such a meaningful number.

Data that most die toward end of second hundred K describes a pretty good transmission, I'd say. I'd best most needed some work before then just to stop leaks, however.

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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles