√By the numbers: How the new 2023 Mercedes-Benz GLC compares to its predecessor

We place the new 2023 Mercedes-Benz GLC side-by-side with the old GLC to see what you’re in for once it arrives in Australia in 2023.

Mercedes-Benz revealed its new medium luxury SUV this week, with the new 2023 Mercedes-Benz GLC likely again to become the German marque’s most popular vehicle.

However, Mercedes isn’t resting on its laurels and expecting success to come to it. A whole host of changes have been made with the new-generation 2023 Mercedes-Benz GLC including tweaks to its exterior styling, new interior finishes and design, better technology, and larger dimensions overall.

Drive has been given images which directly pit the new 2023 GLC (codenamed X254) against its forerunner (codenamed X253). We’ve delved into the key dimensions to determine just how different the Mercedes-Benz GLC is between generations.

Here’s how the two compare.

Key dimensions

Model	New Mercedes-Benz GLC (X254)	Old Mercedes-Benz GLC (X253)	Difference
Length	4716mm	4656mm	+60mm
Width (excl. mirrors)	1890mm	1890mm	0mm
Height	1640mm	1644mm	-4mm
Wheelbase	2888mm	2873mm	+15mm
Front track	1627mm	1621mm	+6mm
Rear track	1640mm	1617mm	+23mm
Headroom (driver)	1048mm	1064mm	-16mm
Headroom (rear passenger)	1007mm	1006mm	+1mm
Legroom (rear)	950mm	948mm	+2mm
Elbow room (rear)	1480mm	1474mm	+6mm
Shoulder room (front)	1456mm	1455mm	+1mm
Shoulder room (rear)	1438mm	1436mm	+2mm
Luggage capacity (boot)	600 litres	550 litres	+50 litres

Powertrain

Model	New Mercedes-Benz GLC (X254)	Old Mercedes-Benz GLC (X253)
Displacement	1999cc (GLC200, GLC300)	1999cc (GLC200, GLC300)
Engine	2.0-litre turbocharged four-cylinder engine with mild-hybrid boost	2.0-litre turbocharged four-cylinder engine
Output	GLC200: 150kW/320Nm (17kW/200Nm mild-hybrid boost) GLC300: 190kW/400Nm (17kW/200Nm mild-hybrid boost)	GLC200: 145kW/320Nm GLC300: 190kW/370Nm
Combined consumption	7.3-8.2L/100km (both engines)	GLC200: 8.0L/100km GLC300: 8.2L/100km
Transmission	9G-TRONIC Nine-speed automatic transmission	9G-TRONIC Nine-speed automatic transmission
Acceleration (0-100km/h)	GLC200: 7.8 seconds GLC300: 6.2 seconds	GLC200: 7.8 seconds GLC300: 6.2 seconds
Towing	GLC200: 2400kg (braked) GLC300: 2400kg (braked)	GLC200: 2000kg (braked) GLC300: 2400kg (braked)

Infotainment

Model	New Mercedes-Benz GLC (X254)	Old Mercedes-Benz GLC (X253)	Difference
Digital instrument cluster	12.3 inches	12.3 inches	0
Main display	11.9 inches	10.25 inches	+1.65 inches

The incoming X254-generation Mercedes-Benz GLC range will arrive in Australia in the first half of 2023. Pricing and specifications of the incoming model will be announced closer to its launch.

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