Don't feel bad - it is pretty well hidden, weather proofed, out of site, etc. If you are used to sealed beams and haven't looked it up in the MB manual, it looks like a sealed beam.
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