Sounds like the first step to getting Das Benz starting and purring IS the timing, otherwise I chase my tail trying to settle balance on the rest of the variables?

Mike, at 3000 rpm do I set the timing with the vacuum hose on or off (off I believe)?

If I have trouble getting the idel that low to start with, is it an issue of the idle mixture as well as correct timing?

Will to fast a idle actually make starting up cold harder?

Thanks for your help Mike.

Chris

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1969
Model 220 gasoline
Chassis: W115.010