Gsbt

The range-topping variant of the existing G-Class is set for a Geneva debut early next month; due on sale in late 2017 by  Greg Kable The Mercedes-Maybach G650 Landaulet, a range-topping version of  Mercedes' G-Class , will act as a farewell to the current-generation model when it goes on sale later this year.  The plush four-seater military-grade SUV is the latest in a burgeoning number of high-priced models from the German car maker’s revived  Maybach  sub-brand. Set to make its public debut at the  Geneva motor early  next month, the 621bhp twin-turbocharged 6.0-litre V12 powered limousine-cum-off-roader foreshadows the launch of a heavily upgraded version of the 38-year-old G-class later this year. It features a semi-convertible roof structure similar in style to that adopted by the Maybach 62 Landaulet launched in 2007.   Based around the long-wheelbase G-class with the widened body, modified running gear and portal axle chassis from both the G63 6x6 and more recently