MERCEDES BENZ 300SD GLOW PLUG REPLACE/REMOVE

What Tool Do I Need To Remove Glow Plugs On A 1984 Mbz 300sd Td. They Will Not Budge.

As You Know My Diesel Is A 5 Cyl, Not 6. I Need To R&r My Glow Plugs, How Do I Do That And Is There Anything Else I Should Be Looking To...

What Tool(s)do I Need To Unscrew Glow Plugs In A 1984 Mbz 300sd Td