Judging from the photos of the new 2012 w204, it seems that a facelift may not be so bad to do you self.
If you study the difference between a 2012 and an 11 it seems like all you need in the front is a new hood, head lights and a bumper (and you may even be able to leave the old bumper as it looks like the new headlights will fit). The fenders seem to be the same.
As far as the rear, the lights are the the only thing and they will most likely be available on ebay in a couple months.
The interior is different story, which is a shame cause the 2012 seems to be much nicer...
If you study the difference between a 2012 and an 11 it seems like all you need in the front is a new hood, head lights and a bumper (and you may even be able to leave the old bumper as it looks like the new headlights will fit). The fenders seem to be the same.
As far as the rear, the lights are the the only thing and they will most likely be available on ebay in a couple months.
The interior is different story, which is a shame cause the 2012 seems to be much nicer...