Mercedes has confirmed Lewis Hamilton will undergo an engine change ahead of the Chinese Grand Prix after the discovery of an ERS issue in qualifying.

The defending champion failed to set a time after discovering his engine to be down on power as he ventured out for Q1, with Mercedes quickly diagnosing an ERS issue.

Though the team attempted to fix the problem during a protracted red flag period, he reported the same issue when he went out again. Unable to set a time, Hamilton will start the Chinese Grand Prix from last position.

Mercedes has since taken the decision to change Hamilton's power unit, with the damaged one being sent back to the factory to determine which parts can be salvaged.

Hamilton - who had a five place grid penalty anyway for a pre-event gearbox change - has also decided he will start from the back of the grid.

It marks the latest set-back for Hamilton after compromised races in Australia and Bahrain, which have left him 17 points down on Nico Rosberg. His title rival starts from pole position.



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