Mercedes-AMG GT C Coupe 2018 UK review

This 7000rpm M178 engine remains a spectacular device: low on lag, linear in delivery, flexible and, above all, brash and booming. In its more aggressive maps — selectable via Mercedes’ familiar Drive Select rotary control — it may well prove too theatrical for some, but for others that’ll be reason enough to buy the car.

It’s old-school AMG and, along with the abrupt, pillbox view through the windscreen, the sheer girth of the cabin, a high scuttle and tyres that function as huge echo chambers on anything other than a perfectly surfaced road, the GT C represents a sensory assault matched by few — if any — of it rivals.

It means that, although this car will devour big mileages, you’ll feel them in a way you wouldn’t in, say, an Aston Martin DB11, which in V8 guise shares the same engine as the GT. There is simply too much noise for properly relaxed progress and a mixed test route also returned only around 16.5mpg. Even with the car’s 75-litre fuel tank, that makes for a range of fewer than 275 miles.

The GT isn’t a born tourer, then, but in C guise it’s a more convincing sports car than ever before.

Take a deliberate approach and there’s prodigious grip to lean on at either end of the chassis, which uses double-wishbone suspension with increased negative camber at the front. You can’t fail to appreciate this car’s poise (or its favourable weight distribution, owing to a transaxle seven-speed dual-clutch transmission at the rear) and, while the steering ratio remains clumsily quick off-centre, AMG’s efforts to address rear roll stiffness mean the car feels less nervous than before through each stage of a corner.

More than 500lb ft of torque from less than 2000rpm means you can break traction on a whim, but the rear axle remains stable all the way up until and beyond that threshold. ‘Slow in, flamboyant out’ seems to be the way of the GT C and it’s an unexpectedly predictable, balanced thing if you’re in the mood for that kind of driving.

What the GT C won’t so easily do is indulge you in that almost imperceptible degree of yaw — the one you feel through the backs of your thighs but that requires no steering correction. It prefers bigger movements and, to this end, there’s a usefully lenient midway setting for the ESP.

Autocar does not, alas, get to choose the precise specification of the cars it tests and, in this case, we would certainly not have optioned AMG’s Dynamic Plus Package. If the adaptive engine and transmission mounts included improve steering response and refinement, you’d need a back-to-back comparison to appreciate it. Moreover, the firmer suspension tune only exacerbates an inherent weakness of the GT: its unsettled ride.

On British roads, our GT C exhibited a brittleness that’s at odds with the brief of a long-legged sports car, even with the dampers in their softest setting. There are better ways to spend £1795 and, given this car’s unsuitability with circuit work, the same can be said for the £5995 carbon-ceramic brakes, although the gold calipers do sit like jewels behind the spokes.


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