Mercedes star Timo Glock crashes out of opening day of testing new season . Problem traced to the hydraulic brake line connecting to the right-rear caliper . The 23-year-old , who finished as runner-up in last season 's GP2 series , will partner fellow rookie Max Chilton when the campaign starts in Australia on March 17 . ` Britain appoints Brazil 's Luis Razia as its second drive for new season . Razia replaces Lewis Hamilton and will partner Britain 's Luis Razia .
Mercedes star Timo Glock crashes out of opening day of testing new season . Problem traced to the hydraulic brake line connecting to the right-rear caliper . Britain appoints Brazil 's Luis Razia as its second drive for new season . Razia replaces Lewis Hamilton and will partner Britain 's Luis Razia .