Need help getting glue off trunk!

Debadged my 400E, but the glue leftover glue is tough to get off! Is there something I can use which will help get it off?

Mike

__________________
'90 300SE 298k
-300K and it gets put into retirement.
'80 300D 255k Purchased new by family in 1980.

Had a:
1973 220 (gas)
1980 300SD
1992 400E