Mercedes Benz Pierburg OEM Engine Intake Manifold - MB OE #: 2721402401 / Pierburg #: 7.00246.33.0 - NEW (Also for Dodge / Freightliner Sprinter 2500 and 3500 Gas 272.979) 100% NEW Genuine OEM Engine Intake Manifold made by Pierburg. Mercedes Benz OE # 2721402401 - (Also fits Dodge / Freightliner Sprinter 2500 / 3500 Gas) This item is OEM made by Pierburg for Mercedes. Pierburg Item #: 7.00246.33.0 / 7.22046.26.1 This item also replaces older Mercedes OE #'s: 2721402201 and 2721402101