I don't know what that module cross references too, but the W126 and the W124 (400e) both used a FGS module to upshift/downshift the transmission into 1st gear. The upshift/downshift speed is pre-set and not adjustable, I looked at this as a possible solution, then I found this
http://www.fgsswitch.com/
It works very well and I am very happy with it.