Mercedes W05, Caterham CT04 V6 engine sound

Friday 24th January 2014, 19:14 by Ryan Wood 

Both Mercedes and Caterham have released audio from their 1.6 litre V6 engines during a promotional shake-down and an initial start-up.

Mercedes took a recording during a shak-down at Silverstone of its new W05 on Friday, but haven't yet released any photos or footage.

Mercedes V6

Caterham meanwhile released a short audio clip from their first V6 engine start-up on Friday to give fans an idea of what to expect.

Renault V6

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