Its that point when you stand up and look at your car and think, "....I'm screwed." So I was working on my glow plug issue on My 300TD and I found that the glow plug in cylinder 2 was dead. The wire tested good. I tested the relay and the fuse and all looks good. I went to take the plug out to test it further. Put the wrench on and it wouldn't budge. I soaked it in pb blaster and tried again. I thought I felt it turning, but it was actually rounding the nut. So I tried using more pb, hit it with a hammer and screw driver to loosing it up, tried the wrench again and it just turns on the nut. I tried the splined end of the wrench and still just a spinnin'. I was using 12mm wrenches. I got an 11mm wrench and was able to get it on the nut and tried to give it a turn, but I messed it up further... I'm screwed. Any suggestions. I guess I could take it somewhere and have them remove them all.

Another question. Would one bad glow plug take the whole system down?

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1985 300d smoke silver/red int. (204k) <--Sadie the 80's Mercedes from Hades!
1985 300TD 587 cabernet red/155 Creme (143k)
2007 Ford Expedition EL (54k)

"Seems to me you bought a hobby... not a car" - My dad.