Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes-Benz M272 V6 M273 V8A common failure inherent to the intake manifold of Mercedes Benz M272 V6 & M273 V8 engines is for breakage of the actuating mechanisms on the intake swirl flap system. The plastic material used in the construction of the intake manifold is the main source of the problem. Over time this less robust plastic material cannot withstand the constant heat cycles and mechanical stresses, therefore embittering and weakening the material leading to inevitable