I have checked many sites (all that have been posted on this site) and 446 is not on any of them which is why I came to the conclusion that 446 was a combo of 441 and 442.
89 300E Pearl Grey Metallic
7 Spoke 16" staggered wheels (SLK)
215/55/16 Hankook Ventus HRII H405 tires
Smoked red/clear tail lights
1987 300e Black Metallic (mom's car)
8 hole 15" wheels (C Class)
Red/Smoked tail lights