Benz W463 “Computing data please wait“ Error Solution

I programmed a key (xhorse BE key) to a Mercedes w463, year 2007 with Autel IM608.
now if i put key in Slot car says “computing data please wait“
i put gysflash on car, and let the key in slot for 14 hours, still the same.
i also try to make key with position 1 and 2.
all the benz before works well, this is the first time.
Mercedes W463, Year 2007 Xhorse Key


Solution 1:
Insert and remove the key 21 times it will work.
Put the key 21 times in and out the ezs and it will works then perfectly.

Solution 2:
If still not working.
Bad calculation, Bad data or bad password. Read data again and password and make another key

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