F1: Mercedes W06 unveiled in snowy Silverstone test

Nico Rosberg (pictured) and Lewis Hamilton will attempt to retain the Formula One constructor's title for Mercedes during 2015, in this - the W06, seen at Silverstone Circuit on Jan. 29.

Mercedes has released the first official pictures of the new W06 after the car was shaken down during a promotional day at a damp and cold Silverstone on Thursday.

The car was driven by both Nico Rosberg and Lewis Hamilton before snow put a stop to running after 18 laps had been completed.

It became the second 2015 car to run after the Toro Rosso STR10 took to the track at Misano on Wednesday.

However, the only images we’ve seen of the new Toro Rosso so far are from this: