W220 Key don't turn in ignition sometimes

[enigmauk]

The problem is sometime the key wont turn... It happens with both keys I'm sure it's the ezs

If I use another used ezs I can just resolder chips from the old to new?

Maybe someone knows how to repair this ezs?

Thanks

[MarkPRP]

What version was is the switch?

[enigmauk]

Didn't get a chance to check but EPC says A 220 545 08 08.

Cheers

[fear_dark]

u need new generate key

[davidykhor]

yesjust move both chips over.

cheers.