THE missing link in the Mercedes-AMG line up will cost from £126,730 when the first of the new GT S Roadsters arrive in the UK.

The AMG GT S Roadster completes the flagship GT range and comes with AMG's hand-built 4.0-litre V8 biturbo petrol engine which endows it with a 0 to 60 sprint time of just 3.8 seconds and a top speed of 192mph.

Developing 522 horsepower - 46 more than the regular AMG GT - it has a maximum torque of 670Nm yet is rated at 24.6mpg with emissions of 262g/km.

Standard equipment includes an AMG performance exhaust system, Airscarf open top heating, 19-inch alloy wheels with 20-inch at the rear, AMG Ride Control suspension with adaptive damping and an electrically extending rear spoiler.

A three-layer fabric roof is available in a choice of three colours at no extra cost and can be had in black, beige or red.

An AMG Speedshift DCT seven-speed gearbox comes as standard on all AMG GT models.

A £3,195 Premium equipment line adds Keyless-Go package, Burmester surround sound system; reversing camera, illuminated door sills with AMG lettering; Parking Assist Parktronic and Mirror package.

A Driving Assistance package costs £1,695 and includes Blind Spot Assist; Lane Keeping Assist; Distance Pilot Distronic; and Pre-Safe.

The AMG Dynamic Plus package - available for £1,795 - features dynamic engine and transmission mounts; firmer and specifically tuned suspension. AMG high performance ceramic brakes are a further option at £5,995.

The new model, which will be arriving in August, sits in the middle of the GT Roadster range which costs from £113,430 for a 476hp model and tops out at £141,930 for the 557hp GT C Roadster.