Maybach ends in 2013.

After days of grappling with a glow plug issue on my 1979 W123 300D, I
called the dealership to verify the part number of my glow plugs, and
was told that, with all the cranking I've done in the course of
working the problem, my engine would have started regardless of the

With the air filter assembly off should my e420 stall or idle
smoothly?  I remember a while ago time ago removing my air filter
assembly when changing air filters then trying to start engine and it
kept stalling, but recently I pulled air assembly off and car starts