 Complete the following phrase:  The chassis was originally named the Mercedes F1 W08 to represent the eighth Formula One car that Mercedes had constructed since . The EQ Power was added to increase exposure of Mercedes electric road car models, whilst AMG was included to reflect the relationship between Mercedes-AMG and Mercedes-Benz. The car made its competitive début at the 2017 Australian Grand Prix, the opening round of the 2017 season. After participating in 19 rounds of Grand Prix racing, the car made its final competition appearance at the season finale race  the 