Preparation

When no original unit is not available, or completely damaged and not possible to read, you would need to do the following:

1. Connect to the vehicle via OBDII

2. Open the Mercedes FBS4 software and select Electronic Ignition Switch (EIS) press “Info”

3. Press “Save” to save personalization data file (EIS4 data file) to a location on your PC

Now set up the donor unit on bench, using ZN151 DS Box and CB403 - DS-BOX Extended Cable Set for direct connection. Connection information also on the next page

1. Open the Mercedes FBS4 software and select TCU

2. Press “Info” button to establish connection

3. Set the unit to “Virgin” state trough the dedicated button.

4. IMPORTANT : At this stage you need to set the VIN of the vehicle to the donor TCU

5. Once the VIN is set proceed to next step.

6. Press “Personalize” and select the file with the saved EIS4 data from the EIS

7. Once complete, software would ask you to turn IGN OFF and ON to finalize the procedure

N.B. Unit activation happens automatically after 100 ignition cycles.

Connection for

• Read the unit (also available in the vehicle)

• Virgin procedure ONLY done on bench

• Personalization with previously saved data (it could also be done in the vhicle with OBDII and direct CAN Connection and active MN034)

• Personalization without previously saved data only done on bench

To establish the proper connections follow the steps:

• Connect CB403 to the TCUs connector, according to the diagram

• Connect AVDI to ZN151 DS Box with the CB403 cable

• Connect CB403 to ZN151 DS Box and provide power supply to the ZN151 DS Box