I got mine with the help of an angle grinder.

Nothing like brute force.
I rigged a cam strap to hold the bolt up, then had a buddy prevent it from twisting by use of two vice grips.
I have to admit I was very nervous about this one, but it worked out well. Don't forget to cover all your skin.
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1986 300E - Ugly color, gorgeous heart.
Never let a German car sit still.
German cars don't leak. They mark their territory.