Gray 5's, hatah's wishin' our reign dies

from Nas (Ft. Jay-Z) – Black Republican Lyrics on Rap Genius

“5’s”-Mercedees Benz S500. Other people who are jealous of Nas’s possesions wishing he falls off.
Nas shouts out this whip in “Every Ghetto”
2007 Mercedes Benz S500:

This could also reference Grey V’s

Which were hot around the time this song was released

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