Mercedes' Formula One World Champion Nico Rosberg of Germany speaks during a news conference as he announces his retirement in Vienna, Austria December 2, 2016. REUTERS/Leonhard Foeger
SUZUKA, Japan (Reuters) - Ferrari's continuing reliability woes have robbed Formula One fans and Mercedes of the thrilling title battle they were hoping for, last year's champion Nico Rosberg said on Sunday.
The German, winner last year in a championship that went down to the wire, expressed disappointment at the latest in a sequence of setbacks for Ferrari's leading contender Sebastian Vettel.
