Your best bet to get them off is to do what we have to do.
Find an old socket that will fit over the "security" lug !!
Slam it on & try to unscrew it that way !! Sometimes it works, sometimes it doesn't !?
1994 E500 (MY SUNDAY DRIVER)
1993 190E SPORTLINE LE W/ M104 SWAP
2000 BMW 528I (WIFEY'S CAR)
"Excuses are crutches for the unfounded."