Good luck with the car eric2003. You will find an abundance of W126 aficionados on this board. Some will consider it the best MB made. Indeed, many service advisors at MB that I've spoken to believe that to be the case.
Anyhow, don't forget about the coolant and here's an often overlooked item, the power steering fluid. May as well.
2004 E320 Wagon
1998 Range Rover 4.0 SE