How to Install CGDI MB FBS3 KeylessGo Key to Benz Key Shell?

How to install CGDI MB FBS3 KeylessGo Key PCB into a 3-button Benz Key Shell.

CGDI MB FBS3 KeylessGo key 
Frequency: 315MHz
Reusable
Tested and working on: Benz 2008.12 up W164, W164+ W166 W216 W221 W251 etc Models
W221-S series
W216-S series
W164-ML series
W251-R series
W166-ML series
W164-GL series
207 C Series
204 C Series
212 E series
Compatible with multi Benz key programmers, VVDI MB, CGDI MB, AVDI etc

Procedure:

1.Open battery case and install a battery

2. Install CGDI MB FBS3 keylessgo key board into key shell

3.Install back case

4. Install Metal Edging

5. Program key with Benz key programmer to see if the key works normally.
Press the remote control button to see if the indicator turns on.

6. Install the small key bayonet and the spring

7. Install the tail pin


8 Install plastic card

9. Install small key blade

10. Installation completed. The Benz FBS3 keylessgo key can be used normally.

http://www.key-programmer.org/2020/06/16/install-cgdi-mb-fbs3-keylessgo-key-pcb-into-benz-key-shell/

How to Program Benz FBS3 KeylessGo Key?

Let’s starts with some frequently asked questions on the Benz FBS3 BGA keyless Go Key.

I buy this keyless go key, How to write via usb ?

And i can reuse it ?

And this connection with which tool use it to write via usb ?

Does it work on GLC 300?

Answers:

The key is not reusable. 

The key is connected by USB for data read and write.

As long as you can read the Ignition Switch’s data and collect the correct password, the key can match the same function as the OEM keyless go.

Supported  models:
S-W221（2010-2013）
GL-W164（2010-2012）
ML-W164（2010-2012）
R-W251（2010-2017）

S series W221 W216: YES!
ML/G/R series W164 W251: YES!
2010-2014 C & E series: NO!
Compatible with VVDI MB tool

Additional information:

Frequency: 433MHz
Write by IR vehicle coverage: Mercedes with FBS3 system after year 2009

The key does not come with battery.

The key can be programmed as normal key.

This 3-button Smart key shell is recommended to use with the key.

http://www.obdii365.com/wholesale/benz-smart-key-shell-3-buttons.html

How to use the Benz FBS3 KeylessGo Smart Key?

1. Install battery before write key and test all key buttons.

2. Only allowed upload V51 version key data. (If VVDI MB fails to write key via IR, it is normal)

3. Remove battery before get in car and activate key. Insert and unplug key for 5-6 times every 5 seconds. If the key can start vehicle, install battery, test the remote control and keyless go function.

 

FBS3 key USB connection wiring diagram

The MBSmartKeyTool software is required when write key via USB

Software can be download here for free: https://mega.nz/#!3nRFiaSR!cx5h7n0ebe9koeI6gJHZ_quZldJ-JvOO1vYwhl_WOd0

Read EIS data and collect correct password, then write a key.

Done.

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