The aftermarket specialists from the KTW Tuning division have recently tuned-up the Mercedes-Benz Viano with an upgraded kit under the hood. The Mercedes-Benz Viano in its 3.0 CDI BlueEFFICIENCY version has been first equipped with the Eco PowerXtra D6S module, from Brabus, capable of generating 265 horsepower and 50 0Nm of torque. With an extra