I have an 89 190E 2.6. There is a leak in the heater core on the
passenger side by the gas peddle. In attempting to diagnose the
problem I have removed the dash up to the removal of the instrument
panel. I am leery of removing this due to my limited mechanical
experience. This seems to be a common problem judging from past posts
on this forum. I have read of two options:
1. Remove the dash and replace the heater core, which is not fun.
2. Prestone stop leak.
I have read of one person (Cargoman) who was successful with Prestone
Stop Leak. Has anyone else done this? If so, will this product cause
harm the engine?
If Prestone is not the answer, how difficult is it to remove the
I have taken a look underneath and do not see where it is being held
to the dash.
Any advice or past experiences with this particular problem would be