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What is correct atf fluid

(1990 Mercedes-Benz 420SEL)
in Indiana, PA on May 30, 2009
what is coreect atf fluid for 420 sel and where does it get filled once drained
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on December 18, 2011
The Correct Fluid for your German Made car Is Pentosin ATF 1. Made specifically for your car and lasted a long time between service intervals changes other fluids work but not as good. Electronic components such as Converter Clutches really respond to the Synthetic properties Of Pentosin ATF 1 No. A 0019892203. Info from My Mechanic In Germany. P.S. Can be purchased at your Local Parts house.
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on May 31, 2009
Dextron ATF works just fine and you fill it in the dipstick tube.
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on March 15, 2010
dextron or dex/merc3 ,$4 /quart as per my 20 year mechanic 1989-1990
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