How does when verify what the temp sending unit is indicating? When I drive the car again, I'll check the radiator for cold spots. Since she is not running near over temp, I am not too concerned, but as Jim has alluded to, it's worth looking into.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member