Be patient. It literally took me a couple days (granted it was only a couple hours a day) to purge the air from the system after I changed the O-rings. The routine was:

Crank for 10-15 sec., wait 30, repeat until battery is dead, charge over night and try again the next day.

The engine did not even sputter until the second day of trying. I probably didn't do something right during the replacement process and that was the result.

__________________
-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250