Look here: tutorial of how to use CGMB to hop W211 original key hopping code repair
Hopping code: Most of the keys are too fast to be inserted and removed, and the track code does not roll, resulting in code hopping, so that the key and the lock cannot be matched properly.
Use Mercedes monster to repair, the specific operation is as follows:
1. First you need a key password.
2. Calculate the track code of the key.
3. Read the EIS, fill in the password and save the data.
4. Calculate the erase password and erase the 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. Learning key
Tools required:
CGDI Prog MB
Analog key data collector
OBD connector
USB cable
1. First you need a key password, If there are no keys, you can calculate the password by doing all key lost.
Calculate password
2.Calculate the track code of the key, click to read the key/chip and read the
current information of the key.
Fill in the password
Click to get the track code
Confirm that the key has been inserted into the device and check that the key
password is correct. The track code calculated by the wrong password is invalid
Key track code calculated successfully
3. Read the EIS, fill in the password and save the data.
EIS data saved successfully
4. Calculate the erase password and erase the lock, let us get the
erase password first.
Erase password successfully calculated
Click to wipe the lock（EIS）
Please insert the IR adapter into the EIS within 30 seconds.
EIS erased successfully
Read the EIS and see the current state
The EIS has been wiped out
5. Click on the load EIS data saved before with the password.
Loaded successfully
View the key position (key position is 1) and copy the track code
6. Click “Allow data modification”.
7. Modify the track code of the key position to the track code of the key
8. Write the EIS data
It is recommended to write the vehicle identification number first, then write the lock data.
Please insert the IR adapter into the lock within 30 seconds.
Write lock data successfully
Read lock EIS data to see current lock status
he current EIS is not activated, put the original car key inserted into the lock
to learn, and the lock can be activated.
Insert the key Wait 1-5 seconds, the ELV responds, the EIS
activates successfully, and the key
Click on the read lock (IES) data to view the current lock status.
211 lock original key hopping code repaired with CGDI MB TOOL successfully
Appendix:
Support the key to read and write, you can directly re-match
K-line EIS do not support this repair method.
