Mercedes star Lewis Hamilton crashes out of first day of race Wednesday . Lewis Hamilton endured a nightmare start to testing his new Mercedes after driving straight off the track at Jerez on his first day following a hydraulic problem Wednesday . Problem traced to the hydraulic brake line connecting to the right - rear caliper . Marussia appoints Brazil 's Ricardo Razia as its second driver for new season . He replaces Timo Bernhard and will partner Ferrari 's Max Chilton .
Mercedes star Lewis Hamilton crashes out of first day of race Wednesday . Problem traced to the hydraulic brake line connecting to the right - rear caliper . Marussia appoints Brazil 's Ricardo Razia as its second driver for new season . He replaces Timo Bernhard and will partner Ferrari 's Max Chilton .