Picked up this immaculate example this week, 2005, 83,000kms, Alabaster White with black leather interior, high spec with pretty much every option available.
I have already had the secondary cats and resonator removed - quiet idle, no drone at cruise, but sounds evil at WOT.
Quaife LSD (shame on AMG for not doing at factory)
H&R 10mm spacers front and rear to make it a tiny bit more aggressive
Eurocharged shorty headers
ECU Tune (unsure of which vendor yet)
Replace Jap COMAND unit with Dynavin N6-MBC Nav/Phone unit
Replace Jap plate holders with Euro size