6/17/2020

How to Change VVDI MB FBS3 KeylessGo Key Frequency?

Similar as Xhorse VVDI BE key pro, users can exchange the VVDI MB FBS3 keylessgo smart keyfrequency between 315MHz and 433MH.
The reusable FBS3 smart key is compatible with most Mercedes key programmers on the aftermarket.

2 Ways to exchange frequency:
Method 1:
If you have VVDI MB Tool, it is easy to change frequency in vvdi mb software (update software to latest version)
Select Other Function-> Set key remote frequency/ Update MB smart key 
change-vvdi-fbs3-smart-key-frequency-1
You can set frequency between 315MHz and 433MHz
change-vvdi-fbs3-smart-key-frequency-2

Method 2: 
If without VVDI MB, you can change FBS3 keylessgo smart key frequency manually by soldering/desoldering the FRE resistor (marked red in picture below)
change-vvdi-fbs3-smart-key-frequency-3

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