I've used the Dextron 3 in the past but the clerk at Auto Zone told me that the Dextron/Merc the going thing now and that it's backwards compatible. Lets hope he's right. Lol
What Type Of Transmission Fluid Does A 99 Saturn Sl1 Standard Car Take?
Just your standard type II transmission fluid. When you purchase it, just ask at the parts store and they will make sure.