But most probably don't reply because they had already wrote up an exhausting response to Donnie's thread...

...I myself have also responded here and to another related thread in the ML forum.

And as far as my experience, reading the sticky thread prompted me to have mine checked...I was preparing for a trip. Hairline cracks were discovered and they replaced the part and charged me labor only.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car