You are wasting your time with the oil in the 
Injector holes. On the stuck one try tightening it a bit then loose, work it 
back and forth.

Sent from my iPhone

> On Mar 12, 2016, at 12:39 PM, Meade Dillon via Mercedes 
> <mercedes@okiebenz.com> wrote:
> 
> Bad report!  Bad report!
> 
> #1 plug appears to be intact.  I decided to measure the ohms and see if the
> filament was broken, it measured good.  I decided to try twisting it a
> little to see how badly it was broken, and now it refuses to move again.
> Apparently it broke free a bit, and the big movement was misinterpreted by
> me as a break.
> 
> I've got all the remaining plugs soaking in penetrating oil from both
> side.  Injectors for #1, #3, #4 and #6 are out and I've filled the
> pre-chambers several times each with penetrating oil.  Changing the engine
> oil will sure be cheaper than paying someone to fix a broken plug, and it
> was just about due anyway.
> 
> -------------
> Max
> Charleston SC
> 
>> On Sat, Mar 12, 2016 at 11:47 AM, Max Dillon <dillonm...@gmail.com> wrote:
>> 
>> Status report.
>> 
>> #1 has broken.
>> 
>> #2 loose, threads out, carbon holding it but should come out.
>> 
>> #3, #4 moving a little bit.
>> 
>> #5 out and replaced. Old plug star-marked Beru.
>> 
>> #6 not attempted yet.
>> 
>> #1 was moving, torque wrench set at 30 Nm. I was moving it slowly back and
>> forth, getting just a little movement when it let go. Liberal use of
>> penetrating oil, hot engine.
>> 
>> Monday I will call around to see if any local shop has the special tool
>> set for drilling out the broken plug.
>> 
>> 
>> 
>> --
>> Max Dillon
>> Charleston SC
>> '87 300TD
>> '95 E300
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