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In a Mercedes-Benz, if you get a P2006 code, it indicates a problem with the intake manifold runner control circuit. This could be due to issues like an open or shorted harness, a poor electrical connection, a faulty actuator, or problems with the powertrain control module. The intake manifold runner control features an aluminum casting with two intake air passages per cylinder, one that remains open continuously and another with a butterfly valve plate that opens and closes. The error code is triggered when the IMRC should be open but is showing as closed. Repairing this part typically costs between $670 and $700, excluding taxes and fees.
In a Mercedes Benz, a P2006 code indicates that the circuit controlling the intake manifold runner has identified a problem with a closed intake runner flap on bank 1.