NAPA here closes out the year olds at half price and you still get the same warranty. Likewise the trucking shops around here to the same (CDL trucks)

I was tempted to replace a group 49 ( IIRC) I have in a W126 last fall. But it still holds 12.6V at 15 years old. Moral of the story is take good care of it.

It is a Les Schwab. Look em up. I will definitely compare them for all future batteries.

lesschwab.com/batteries