Rare 1960s Mercedes Benz Is Australia’s Most Expensive Second Hand Car Right Now Drop-top delight. Fresh air flair: the 1960 Mercedes-Benz 300 SL Roadster. Image: Classic Throttle Shop Sydney is beautiful all year round, but it’s in summer when it really shines. Sun in the sky, jacarandas blooming, real estate agents shouting… There’s no better time and place to own a convertible than Sydney in the summer. But there’s a big difference between getting stuck in traffic on Military Road in a dumpy Volkswagen Eos and cruising down Bondi Beach in something like this – a 1960 Mercedes-B...