OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Purpose: add a Mercedes infrared key via OBD without having to disassemble anything.

Tools use: Xtool X100 PAD3 + KC501 Chip and Key Programmer 

I have two keys in my hand, the right one is the new key and the left one is the original key.


To test the two keys before an operation, the original key can start the car and the new key can’t.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Connect the tablet Wifi first, enter into the main menu.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Select Immobilization then “Benz”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Agree the disclaimer.

Click on “Infrared key system”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Click on “Add key”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Click on “OK” after reading the instruction. Please follow to do.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Connect KC501 to the Xtool pad.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Insert the original key into EIS.

Wait for 5 seconds and then remove the key from EIS.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Click on “Ok” after finishing the above steps.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Click on “Ok” to select the communication method with EIS.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


Click on “Read via OBD”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Click on “Automatic Identify”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Finished reading EIS information, click on “Next”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Repeat the above steps.

Then click on “OK”.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Follow the steps to do.

Insert the same original key into the key slot of KC501.

Click on “OK”.

Collecting data, it will take about 5- 15 minutes.

Data collection completed.

Insert the original key into EIS and wait for 30 minutes (Maybe you need to pull it out and reinsert it for several times).

Click “Ok”.

Obtained the password successfully from the programmed key.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Choose and input a key location to be generated.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Connect KC501 to the device, insert a new key into KC501 infrared jack.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Key file has been written into new key, click on “OK”.

Operation complete.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

New key has been programmed, can start the car normally.

(Maybe you need to insert and remove the key for several times).


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Test if the remotes of new key works. Both keys work.


			OBD add Mercedes Benz Infrared Key by Xtool KC501 + X100 Pad3

Job is done.

Xtool KC501 is too amazing when working together with Xtool X100 Pad Elite (PAD3).