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Smart Key 3 / 4 Buttons 433MHz 315MHz Keyless Go


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From To Price
1 4 $55.00
5 9 $53.00
10 39 $49.00
40 More than 40 $47.00


Xhorse Remote Type Smart Remote, PCB, FBS3
Frequency 315MHz, 433MHz
Buttons 3, 4
weight 0.045 KG


Brand Model From To
Mercedes Benz All all all


XHORSE VVDI Universal  For Mercedes Benz FBS3 Smart Key 433/315 Mhz

  • W204 W207 W212 W164 W166 W221 Keyless entry + Push-button start
  • No need for battery insertion for writing data by infrared
  • Support exchange frequency 433/315MHz

Can be renewed 

  • Stable quality
  • compatible with multi for Benz key programmers

Can be used on these for Mercedes Benz chassis:
W221- S series, W216- S series, W164 ML series, W164 GL series, W251- R series, W166- ML series, W212- E series, W207 C series, W204- X series.
Addition: W251 and W164 belong to the same kind, W216 and W221 belong to the same kind, W212, W207, W204 belong to the same kind.

How to exchange FBS3 smart key frequency between 315MHz and 433MH?
Step 1:

Note: If you have VVDI MB Tool, it is easy to change the frequency in VVDI MB software (update software to the latest version)

Select Other Function-> Set key remote frequency/ Update MB smart key 

You can set a frequency between 315MHz and 433MHz

Step 2: If without VVDI MB, you can change FBS3 keyless go smart key frequency manually by soldering/desoldering the FRE resistor (marked red in the picture below)

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