How to Use CGDI Benz Prog to Reset Benz ME9.7 ECU on Bench

Here OBD2 show the procedures on how to use CGDI Prog Benz Monster to reset/renew Benz ME9.7 ECU.

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Procedures:

Build wire connection between ME9.7 ECU,CGDI MB programmer and computer

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Open CGDI Benz software,click “Wiring Diagram”,then select “ECU”à”ME9.7” to check the your connections are correctly.
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Select “Auto Computer”,then click “Read”

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After reading process completing,you can see vehicle information on the software.

Click “Get” to get erase password

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Wait for process…
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Erase password calculated successfully

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After then click “Erase” button

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Erase successfully

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And now you can read the ECU information again to check ME9.7 status.

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Done!

CGDI MB RepairsReset Mercedes W211 Rolling Code Step by Step

How-to: repair Mercedes W211 original EIS rolling code with CGDI Prog MB Key Programmer.

Rolling code :

A rolling code (or sometimes called a hopping code) is used in keyless entry systems to prevent replay attacks, where an eavesdropper records the transmission and replays it at a later time to cause the receiver to ‘unlock’. Such systems are typical in garage door openers and keyless car entry systems.

Why need repair W211 rolling code?

Most of keys are too fast to be inserted and removed,  the track code does not roll, resulting in code rolling, so the key and the EIS cannot be matched properly. CGDI MB has the ability to repair Mercedes rolling code.

Tools required:
CGDI Prog MB
Analog key data collector
OBD connector
USB cable

Follow main steps below:

1. First you need a key password
2. Calculate the track code of the key
3. Read the EIS, fill in password and save data
4. Calculate the erase password and erase it
5. Load the EIS data with the password
6. Click “Allow modification of data”
7. Change the track code of the key position to the track
code of the key.
8. Write data
9. Learn key

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Step-by-step procedure:

1. Read key password. If there is no key,you can calculate the password by doing all keys lost

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Calculate password

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2.Calculate the track code of the key. Press Read Key/Chip and read current key information

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Fill in the password

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Click to get the track code

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Confirm that the key has been inserted into the CGDI MB and check that the key password is correct.

The track code calculated by the wrong password is invalid.

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Calculate key track code success

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3.Read EIS, enter password and save data

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4.Calculate the erase password ad erase the EIS.

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Press Wipe the EIS to erase EIS

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Insert the CGDI Prog IR adapter into the EIS within 30 seconds.

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Erase EIS success

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Read EIS and check current status

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The EIS is erased

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5. Press Load EIS data to load  saved data previously with key password

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View the key position (key position is 1) and copy the track code

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Click on Allow data modification

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7.Modify the track code of the key position to the track code of the key

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8.Write the EIS data

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Recommend to write the VIN first, then write the EIS data

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Insert the IR adapter into the EIS within 30 seconds

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Write EIS data successfully

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Read EIS data to check current key status

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Insert the original car key into EIS to learn key, the EIS can be activated

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Insert the key, wait 1-5 seconds, the ELV responds,  the EIS is activated and the key learnt successfully

Read EIS data again

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W211 EIS original rolling code is repaired by MB Key Programmer CGDI MB successfully.

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Done.

CGDI MB write the original key through the NEC adapter

How to use CGDI MB to write the original key through the NEC adapter?

Here we go for procedure.

Please insert the key into CG-MB device

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Click ”Read key/chip’” and get related key information.

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Disassemble the key, take the chip out, and solder it to the NEC adapter.

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Click on “Read key /chip” and view related information.

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Reset and erase new key

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Click open/write, please do by following the on-screen instructions.

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Choose一unused key position data,click and open it.

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Write success fully.

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Take the chip out, weld NEC adapter back the key, get on the car.

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User Manual for CGDI Pro MB car key add

Topic: Step-by-step procedure on how to use CGDI Prog MB to add Mercedes Benz car key by OBD2TOOL.

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Step 1: Click on “Lock (EIS)
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Step 2: Click on “Read EIS data”

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Step 3: Click on “Computer Password”, then click on “Copy key with key”

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Step 4: Click on “Other Keys” (One generation of key 705E6 key), then click on “OK”.

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Step 5: Please insert the key into EIS and click OK.
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Step 6: Please insert the key into the device and click on OK!

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Step 7: Collecting the data, do not remove the key.

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Step 8: Please insert the key into EIS and click OK.
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Step 9: Please wait for 7 seconds.

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Step 10: Please pull out the key from the EIS, and then click OK!

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Step 11: Please insert the key into the EIS again and click OK!

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