January 29, 2015

The new Mercedes W06 on track with Lewis Hamilton at the wheel

© Mercedes

January 29, 2015

The new Mercedes W06 on track for the first time

© Mercedes

January 29, 2015

Jenson Button shows off his helmet

© McLaren

January 29, 2015

McLaren's new MP4-30

© McLaren

January 29, 2015

Jenson Button and Fernando Alonso pose for a photo

© McLaren

January 29, 2015

Fernando Alonso poses for a photo in his new McLaren overalls

© McLaren

January 29, 2015

The McLaren-Honda MP4-30

© McLaren

January 29, 2015

A head-on view of the McLaren-Honda MP4-30

© McLaren

January 29, 2015

An aerial view of the McLaren-Honda MP4-30

© McLaren

January 29, 2015

The new McLaren-Honda MP4-30

© McLaren