Not great pictures, but probably one of my happiest moments as a DIY mechanic.
Had a glow plug bust off in thr head of my e300d last night, as they are wont to do. This often means pulling the head.
With the help of some advice on the mercedesshop forums, I drilled & tapped the body of the plug, then made a puller out of 5/16 threaded rod and a 1/2" socket.
Dangnabbit, it worked. Pulling that plug out was one of the most victorious moments I've ever had in the garage
I have lost a LOT of hair in the past 12 hours