LONDON, April 23 : Champions McLaren will have "a completely new car" when Formula One returns from a five-week break at the Miami Grand Prix in May, according to team principal Andrea Stella.Mercedes, who provide McLaren's engines, have won all three races so far this season but the last race in Japan was cl

LONDON, April 23 : Champions McLaren will have "a completely new car" when Formula One returns from a five-week break at the Miami Grand Prix in May, according to team principal Andrea Stella.Mercedes, who provide McLaren's engines, have won all three races so far this season but the last race in Japan was cl