Consider what Ridge had to say in this thread:

http://www.peachparts.com/shopforum/showthread.php?t=42943&highlight=brake+pedal

If the spongy pedal came along AFTER all the work was done, it's not likely that you suddenly developed a faulty mst. cyl.

__________________
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"