Mercedes Benz repair: 1988 300se Mercedes, fuel pump relay, fuel pump

Question
I have a 1988 300se that recently just started just cutting off.  After a short wait appprox 1 minute, it will start back up only to repeat some time later or the next day.

I have changed a fuel pump relay.  Any solutions?

Answer
Possible answers:

A good, tough problem- 300e occassional stall after warm-up
http://www.mercedesshop.com/shopforum/showthread.php3?p=844753#post844753

1988 300SE Warm Start Problem
http://www.mercedesshop.com/shopforum/showthread.php3?p=911313#post911313