Home » 2016 Mercedes-Benz ZETROS – Next-Gen Heavy Hauler Combines 6×6 Grip, 110-Ton Max GVWR » 2016 Mercedes-Benz ZETROS Custom RV 21 2016 Mercedes-Benz ZETROS Custom RV 21 Home » 2016 Mercedes-Benz ZETROS – Next-Gen Heavy Hauler Combines 6×6 Grip, 110-Ton Max GVWR » 2016 Mercedes-Benz ZETROS Custom RV 21