I agree with Benzmac, have the tank boiled out at a radiator shop, and have it copper coated on the inside. This will prevent any further rust build up. A friend had this done on his BMW 2002 and it worked great.


------------------
Rgds,
Aaron Greenberg
MB technician
'67 250SE Cabriolet
'77 450SL
'79 6.9
'79 6.9
'80 300SD
'81 240D
'85 380SE
'89 420SEL
'93 300E 2.8