In this article, we'll share how to program the 2011 Mercedes-Benz A-Class W207 EIS all keys lost with OBDSTAR X300 Classic G3 + BENZ FBS3 Kit via CAN protocol.

Read also
OBDSTAR BENZ FBS3 Kit for Read Pincode/Reset ECU/Program Key

Preparation
X300 Classic G3
12V Power Supply
Main Cable
C4-04
C4-05
BENCH- A V3 Clone Jumper
MP001 Programmer
Mercedes-Benz W207 EIS
Blank BE Key

*Please upgrade the software to the latest version.

Connection
IMMO >> BENZ >> Manual Select Chassis >> Program Keys(FBS3) >> By Bench >> Guide
Here we can identify the EIS type according to the diagram.

W207 >> All Keys Lost >> Guide
Carefully read the operation steps and precautions.

Step1: Read PinCode>> Pinout
Open the wiring diagram, and make the connection according to the wiring diagram.

PinCode Collection >> OK
Please connect the C4-05 module and the diagnostic tool to the MP001 programmer, and supply the MP001 programmer with an external power(12V).

Click "Help" and follow the device prompts to connect the C4-05 and the diagnostic tool to the MP001 programmer.
Click "Yes".

Note:
1. This function requires Internet access, please keep the network connection throughout the process.
2. Please follow the instructions strictly and do not disconnect in the middle of the process.

Please confirm that the EIS has been disconnected from the ELV, and then tap the button "OK".

Please insert the infrared key simulator C4-05(for Mercedes-Benz) into the EIS. If it has been inserted, please pull it out first and then reinsert it.

Wait for the system to collect data. The device will automatically parse out the PinCode of the key.
The PinCode has been read out.
PinCode reading completed. Please restore any parts that were removed from the vehicle!

Step2: Generate BE Key File>> Method 1(Read EIS IMMO Data) >> OK
Please connect the diagnostic tool to the MP001 programmer, and supply the MP001 programmer with an external power(12V).

Check the wiring diagram, and remove the C4-05 cable.

Yes >> Generate Key File >> Selected key position: Key1
For all keys lost programming, we can select any one of the key positions.
Key file generation is successful!

Step3: Reset Virgin BE Key Data
Please connect the C4-04 module and the diagnostic tool to the MP001 programmer, and supply the MP001 programmer with an external power(12V).

Tap "Help" to view the wiring diagram.
We need to connect an additional C4-04 board.

Please insert the key into the infrared keyhole of the C4-04 module, and then tap the button "OK".
Reset virgin the key? Yes
Key reset virgin successfully!

Step4: Read Key Info
Yes >> OK
The key still needs to be inserted into the infrared keyhole of the C4-04.
This indicates the key has been reset virgin successfully.

Step5: Write BE Key Data
Yes >> OK
Follow the prompts to place the Mercedes-Benz key into the infrared keyhole of the C4-04.
Select the key file just generated >> Write the key file? Yes

The key file was written successfully!
Please insert the key into the EIS and check if the key can start the vehicle and if the remote functions are working properly.

The newly added key may have normal remote functionality but be unable to start the vehicle. Please disable then enable the newly added key position and check whether the ELV is normal before tying again.

Step6: Examine Car Key
Yes >> OK
Please insert the ignition key into the EIS.
Please remove the ignition key from the EIS, then insert it into the EIS and tap the button "OK".
Please insert the key into the infrared keyhole of the C4-04 module, and then tap the button "OK".
This key is the ignition key for this vehicle.

The key programming was successful.

Verify by inserting the key into the EIS and turning it to ensure it works properly.
Perfect done.

Video guides:



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