XHORSE VVDI Universal Mercedes Benz FBS3 Smart Key 433/315 MHZ with Benz Smart Key Shell 3 Button
How to Install the Mercedes FBS3 Smart Key with Smart Key Shell 3 Button
How to Install the Mercedes FBS3 Smart Key with Smart Key Shell 3 Button
Step 1 Install the battery
Step2 Input the PCB
Step3 Close the back cover
Step4
Step5,test the key is normal or not, the led light is on or not when press the button
Step6
Step7
Step8
Step10
The installation finished