problem making key A w169

[m3m5]

time ago, i readed eis and make kays with mbkeysonline. I renewed 1 key and works fine. I keep all keys maked in my pc.

Now customer wants other key. I have got here small key used with small nec. I have written nec with key 051 number 1 used and when put key in car said calculating. Don't open eis, don't work.

Need read eis other time?
Writte other key in nec??

help please!! and thanks!

when i read key ak500 said this

[m3m5]

I found problem! 2 keys had the same number, number 2

now I wrotte key number 8, in eis works fine can start car but remote don't work. can add remote manually? or key 8 haven't got remote?

thanks

[smayer]

All keys have remote, maybe you have a bad soldering in NEC chip.