I'm subscribed, I'm keeping my E300 until I die, so your procedure with removing the head will help me out someday.

With the head off you might as well lift the short block and go to town. You're engine and engine bay will be so spotless and clean that it'll be the stuff of envy.

Also a video of the symptom would be nice as well, who will rebuild the head?

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Some sort of 98+ w210 E300 turbo diesel

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.