Originally Posted by
waldig
I saw no material that looked like a leak stop, sadly leak stop would add to the insulation of the fins and retard heat transfer, a bad thing. The leaks are caused by the poor design of the heat exchanger, initial assembly problems, and the thermal stresses caused by operation, heat cycling.
Woody
That's good that you found no evience of any anti leak agent in there.
Like I said I had no idea if MB used any. I do know is it has caused me grief in the past on other makes.