I vote with Mike for the window decal and a black T shirt as the first items from the list. Then a nice binder and log book in which to store service records.
2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)
Click to see 87 300E