RANSSLOT88 RTP SLOT Although all 1954 Mercurys had a lot of glass, the Sun Valley offered more square inches of visibility than any other car, including the 1954 Kaiser, which of course had a solid roof. Together with its counterpart, the Ford Crestline Skyliner, it was the first production car with a roof you could see through. Other mechanical niceties of the 1954 Mercury Sun Valley included Mercury's first ball-joint front suspension, only four grease fittings, and more insulation than ever. The 1954 Mercury Sun Valley emerged cleaner still, especially at the extremities.|When it Comes to Hard Data