2005 mercedes SLK350 eis ezs

[labusas]

Hi,
Have to travel to make key for 05 SLK350. I assume it's still 9s12 in this, is it?
Would anyone know which EZS is in this and what mask for SKC key generation?

[smayer]

2 models possible. HC212 3K91D mask or ST212 1L85D mask.

[labusas]

It was St212, yes. Same as e class