Mercedes has shown off upgraded C63 AMG and SLS AMG models

Mercedes has unveiled two unique AMG models – one based on the C63 and the other on the SLS – at the Australian motor show in Sydney.

The one-off C63 AMG, called Concept 358, features the AMG Performance Package Plus which increases the power of the 6.2-litre V8 to 480bhp.

See pics of the AMG special editions at the Australian motor show

Concept 358, which was painted in designo Pearl Orange paint at the show, features 19in multi spoke black alloy wheels and extended designo leather appointments inside.

The one-off SLS AMG is painted in designo magno Night Black with red interior and exterior highlights.

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