It is easy for everyone to bark and complain about stuff they don't even know about. No one here knows the financial, reliability, engineering development factors involved in any of the changes M-B is implimenting on its new diesel engines. I'm sure that they not only know what they are doing, but also know that competition is fierce now and lackluster product doesn't cut it these days.

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1999 Mercedes-Benz S600, 103K miles - garage queen
1988 Mercedes-Benz 560SEL, 89K miles - daily driver
2007 Hyundai Sonata Limited, 31K - daily driver