Enter the Marc Marco Polo. This Merc (from Vito line) is the first factory fitted pop top roofed vehicle seats and sleeps four people, but its not a fully decked out campervan. Enter Vanessa.
The Marco Polo Activity by Mercedes-Benz brings factory-backed camping to the light-vehicle class to Australia. This Mercedes-Benz Campervan features for the first time a factory equipped elevating roof, the Marco Polo Activity delivers a comfortable 5-seater, 4-berth camping solution when equipped with the VanEssa mobilcamping rear kitchen and Deluxe Comfort Mattress vanessa-mobilcamping.com.au/marco-polo-activity.
For a vehicle review go here
> Mercedes Benz Campervan Marco Polo (Vito based - with pop up top)
> Adria Twin Motorhome by http://www.adria-mobil.com - 4 Seats - Sleeps 3
The Mercedes Benz Campervan Marco Polo competes with VW California, which is not (yet) available in Australia
> VW T6 California - Not available in Oz so far