ME 2.8 ECUs are used in many Mercedes Benz models with M112/3 engines. The old ECU is damaged. You need to make virgin (renew it) and code it (adapt to car) by MB Star diagnostic DAS or Vediamo.
Part 1: Renew ME 2.8 with CGDI MB
Remove ME 2.8 ECU from MB (i.e a W203)
CGDI Prog MB software 3.0.2.0 adds the ME2.8 ECU wiring diagram
Follow wiring diagram to connect MB Bosch ME 2.8 ECU with CGDI
Run CGDI MB software
Select Auto Computer function
Read ECU
Get erase password success.
Press Erase
Erase/Renew ECU completed
Re-Install ME 2.8 ECU back to vehicle
Part 2: Adapt ME 2.8 with DAS
Using MB Star Xentry to program a virgin ECU to an existing EIS.
Connect MB SD Connect C4 multiplexer with vehicle via OBD socket via LAN cable
Turn on ignition switch
Identify vehicle
Select Control Unit Groups-> Drive->ME2-SFI- Motor electronics-> ME-SFI 2.8-Motor electronics 2.8-> Control Unit adaptation->Learning processes
Teach in of drive authorization system
Enter VIN as 17-digit code
Personalizing
Switch off ignition and then switch on
Personalizing in process, wait about 30s
Is this engine control module to remain fitted in the vehicle?
Press Yes to continue
The engine control module is irrevocably assigned to the vehicle.
Do you wish to activate control module ME-SFI 2.8?
Press Yes to continue
Activating module in process
The learning process has been performed.
The ME 2.8 ECU virgin ME adaption learning process is completed.