I wouldn't doubt it, but...
The part in question (valve) was simply swapped with a good part. Took all of 10 minutes to do and the heat was back to normal.
'91 560SEL 101K miles
'70 Toronado GT (400 HP, 1 of 5,000 produced)
'66 Toronado Deluxe
[Edited by w126 on 01-06-2001 at 05:49 PM]