"A bit of a diva" was Toto Wolff's now-infamous assessment of Mercedes' 2017 car, the W08.
A championship winner, no less, and yet it was prone to the odd mood-swing; the long-wheelbase concept struggled to perform on the full gamut of circuits on the calendar, especially compared with the more amenable and rapier-sharp Ferrari SF70H.
Although a considerable and consistent factor in the title fight, the Prancing Horse wasn't quite as capable of producing moments of sheer brilliance to that year's Silver Arrows. So, if only Mercedes could manage more of them...