Green’s Dictionary of Slang

(Aus.) a Chrysler Valiant, the car of choice for ‘hotting up’ among young Greek males.

2003		Aus. Word Map 🌐 Marrickville Mercedes A term for a Chrysler Valiant. Usually a disparaging reference associated with the 'hotted up' cars favoured by young Greek males in '70s and '80s.
2022		Betoota Advocate 26 Dec. 🌐 [headline] INXS Best Enjoyed At Full Volume In Greek Hunk’s Marrickville Mercedes, Says The Chicks.