The downsizing of AMG continues with the 2024 Mercedes-AMG GLC 43 and 63 S E Performance moving to four-cylinder engines

Mercedes-Benz has lifted the lid on its AMG-tuned mid-size GLC SUVs, now with a 2.0-litre turbo-petrol engine replacing the old V8 and V6 powertrains.

Starting with the GLC 43, the 2.0-litre turbo-petrol four-cylinder engine punches out 310kW/500Nm to all four wheels, while its belt-driven starter generator system can kick in another 10kW under certain conditions.

Paired with a nine-speed automatic transmission, the 43 can accelerate from 0-100km/h in 4.8 seconds, while its 48-volt mild-hybrid technology should help keep fuel usage down.

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For comparison, the outgoing GLC 43 uses a 3.0-litre twin-turbo petrol V6 for a 287kW/520Nm output and 0-100km/h sprint time of 4.9s.

As for the GLC 63 S E Performance, outputs are boosted to 350kW/545Nm from the same petrol engine, but the added electric motor increases combined outputs to a staggering 500kW/1020Nm.

Again, with drive sent to all four wheels, the 2024 GLC 63 needs only 3.5s to hit the landmark triple-digit speed.

The old car, meanwhile, served up 375kW/700Nm from a 4.0-litre twin-turbo petrol V8, and need 0.3s longer to hit 100km/h from a standstill.

Mercedes-Benz has lifted the lid on its AMG-tuned mid-size GLC SUVs, now with a 2.0-litre turbo-petrol engine replacing the old V8 and V6 powertrains.

The new GLC 63 is also fitted with a 6.1kWh battery that can be recharged with a 3.7kW onboard charger, allowing 12 kilometres of all-electric driving range, and making it a plug-in hybrid electric vehicle (PHEV).

Of course, being AMG models, the GLC 43 and 63 sport a more aggressive body, with key highlights being a new grille, aerodynamically optimised front bumper, larger air intakes, dual exhaust outlets and a rear diffuser.

Inside, the AMGs are differentiated by synthetic leather and microfibre trim, while sports seats, Nappa leather and AMG-logo embossing is also available.

A flat-bottomed AMG steering wheel is also fitted to the 43 and 63, the former in Nappa leather and the latter adding microfibre, while large paddle shifters are situated behind.

Both AMG-tuned mid-size SUVs will land in Australian showrooms in the second quarter of next year.

Mercedes' latest MBUX multimedia system also features, the screen for which is now orientated in a portrait layout and has functions for satellite navigation, smartphone connectivity and voice commands.

Likwise, there is bespoke AMG suspension for both models, as well as beefed-up brakes, rear-wheel steering and, at least for the 63, active roll stabilisation.

Both AMG-tuned mid-size SUVs will land in Australian showrooms in the second quarter of next year, while the new-generation GLC has recently touched down on local soil with a single 300 variant priced from $103,370 before on-road costs.