Cambridge-based independent timber and builders' merchant run a 133-strong car and van fleet
Oft-nicked X5 ahead of Land Rover and M3 in landing unfortunate top spot
9G-Tronic will boost efficiency to 53.3mpg in 252bhp E350 Bluetec diesel E-Class debut
Kia have sold 37,178 cars this year, while Mercedes-Benz have sold 53,686
May sales figures show Mercedes, Mitsubishi and Ford thrived