I've been told that on Mercedes HGV's to clear SCR related fault codes the vehicle has to go to a dealership, is this correct?

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Q: I've been told that on Mercedes HGV's to clear SCR related fault codes the vehicle has to go to a dealership, is this correct?

A: That is incorrect. On the latest software it has the ability to clear the mil light, once all related faults have been repaired.

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