Mercedes E-Class (2017) is 52 mm (2.05 inch) wider and 1260 kg (2,778 lbs) lighter than Ram 2500 (2014).
Ram 2500 (2014) is 1151 mm (45.31 inch) longer, 593 mm (23.35 inch) higher and has 1088 liters (38.42 ft3) bigger cargo space than Mercedes E-Class (2017).