Howto Renew Original MB Smartkey (small model)

[kilog]

I am using a tool to reprogram 2 keys for a MB W203 year 2003
and would like to use original key#1 and key#2
but I need to renew them
is it possible?
and how do I do
cheers

[spawns3]

What tool u using ?

[kilog]

I got the solution:
I opened the key,
I unsoldered the Nec chip
and renewthe chip with AK400

[MarkPRP]

Thanks for telling us what we already know!

Why don't you tell us how to program it now..

[mercis]

or read first ak400 manual

[kilog]

or read first ak400 manual

newbie egg will become veteran chicken one day, bit by bit