After a four year break, Mercedes IV is back to add to her already impressive tally of 15 Sydney Hobart's. Prominent Sydney architect Peter Stronach has joined forces with leading Sydney builder Bill Ratcliff, who will be heading south for his 35th time, and has the boat better prepared than ever with a new wardrobe of sails and a new rig. The crew will be hoping for heavy weather to give them the advantage.