Most MB's from 1985 to 1992 used that same computer for ABS! finding a good used one is the best way to go!! I would think that a used one would go for $300!

MB numbers 005-545-51-32 or 003-545-74-32

Bosch numbers 0 265 101 021
0 265 101 019
0 265 101 017
0 265 101 018
0 265 101 020

have you tried HERE (fastlane)?

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator