I found my '79 240D getting harder to start, sometimes going thru 4-5 glow plug cycles before trying to start it. When I pulled out the plugs for replacement, I found the #2 had a short to ground in it... not a complete dead short there was voltage on all the glow plugs. (the engine would start on 3 cylinders,, pick up the 4th cyl after it warmed up a bit) Is this an unusual thing to have a gradually worsening ground? This is my first experience with MB diesels, an old dog trying to learn new tricks. olweasel
"Old age and treachery will overcome youth and strength"