Mercedes-Benz GLC X254
Produced from 2022–present, the Mercedes-Benz GLC X254 (X254) is catalogued here with 3 powertrains. 3 petrol, spanning 204 to 421 hp. The quickest version, the AMG GLC 43 4MATIC, covers 0–100 km/h in 4.8 seconds. For fuel costs, the GLC 200 4MATIC leads the range at 33 MPG (EPA combined). Externally it measures 4716 × 1890 × 1640 mm on a 2888 mm wheelbase. Full engine, transmission, performance, economy and weight data is compared trim-by-trim below, with EPA and NHTSA sources cited at the bottom of the page.
Generation Quick Facts: The Mercedes-Benz GLC X254 was manufactured from 2022 – present (2022, 2023, 2024, 2025, 2026 model years) as a suv. Across 3 verified powertrains, power outputs range from 204 to 421 hp, with top fuel economy reaching 33.0 MPG combined (GLC 200 4MATIC).
Power range
204–421 hp
Quickest 0–100
4.8 s
Best combined
33 MPG
Length
4.72 m
01Decision support
Which GLC X254 suits you?
Daily driver · least fuel
GLC 200 4MATIC
33.0 MPG combined
It burns up to 24% less fuel per mile than the thirstiest GLC X254.
Performance · quickest
AMG GLC 43 4MATIC
0–100 km/h in 4.8s · 421 hp
Genuinely quick, with hot-hatch pace from a family body.
Sweet spot · balance
GLC 300 4MATIC
258 hp · 30.0 MPG
Sits mid-range for power without paying the fuel or price tax of the flagship trim. Usually the best value on the used market.
023 powertrains (3 petrol)
Full specifications
| Specification | GLC 200 4MATICPetrol | GLC 300 4MATICPetrol | AMG GLC 43 4MATICPetrol |
|---|---|---|---|
| Engine | |||
| Engine code | M254 | M254 | M139 |
| Fuel type | Petrol | Petrol | Petrol |
| Displacement | 2.0L (1,999 cc) | 2.0L (1,999 cc) | 2.0L (1,991 cc) |
| Aspiration | Turbocharged | Turbocharged | Turbocharged |
| Cylinders | I4 + ISG | I4 + ISG | I4 e-turbo |
| Power & Performance | |||
| Power | 204 hp / 152 kW | 258 hp / 192 kW | 421 hp / 314 kW |
| Torque | 320 Nm / 236 lb-ft | 400 Nm / 295 lb-ft | 500 Nm / 369 lb-ft |
| 0–100 km/h | 7.8 s | 6.2 s | 4.8 s |
| Top speed | 222 km/h (138 mph) | 240 km/h (149 mph) | 250 km/h (155 mph) |
| Transmission & Drivetrain | |||
| Transmission | Automatic | Automatic | Automatic |
| Gears | 9 | 9 | 9 |
| Drivetrain | AWD | AWD | AWD |
| Fuel Economy & Emissions | |||
| City | 29 MPG (8.1 L/100km) | 27 MPG (8.7 L/100km) | 22 MPG (10.7 L/100km) |
| Highway | 38 MPG (6.2 L/100km) | 34 MPG (6.9 L/100km) | 29 MPG (8.1 L/100km) |
| Combined | 33 MPG (7.1 L/100km) | 30 MPG (7.8 L/100km) | 25 MPG (9.4 L/100km) |
| Electric range | — | — | — |
| Battery | — | — | — |
| CO₂ emissions | 169 g/km | 178 g/km | 202 g/km |
| Weight & Body | |||
| Curb weight | 1,910 kg (4,211 lbs) | 1,955 kg (4,310 lbs) | 2,045 kg (4,508 lbs) |
| Seats | 5 | 5 | 5 |
| Doors | 4 | 4 | 4 |
| Model years | 2022–present | 2022–present | 2022–present |
03Then vs now
X254 vs. previous generation
| Metric | Change vs. X253 |
|---|---|
| Peak power | +31 hp |
| Quickest 0–100 km/h | -0.1 s |
| Best combined MPG | +6 MPG |
| Average curb weight | +100 kg |
Why this matters
Versus the X253, the X254 is clearly more efficient, noticeably more powerful, heavier, mostly safety and equipment mass. Used-car shoppers should weigh these shifts against the X253's typically lower asking prices.
View the X253 spec sheet0Exterior
Dimensions
Length
4,716 mm
185.7 in
Width
1,890 mm
74.4 in
Height
1,640 mm
64.6 in
Wheelbase
2,888 mm
113.7 in
Curb weight spans 1,910–2,045 kg depending on powertrain. Battery and AWD hardware add the most mass.
05Long-tail answers
GLC X254: questions answered
What engines and trims are available on the Mercedes-Benz GLC X254?
The Mercedes-Benz GLC X254 lineup offers 3 petrol: GLC 200 4MATIC (204 hp), GLC 300 4MATIC (258 hp), AMG GLC 43 4MATIC (421 hp).
How quick is the Mercedes-Benz GLC X254 from 0 to 100 km/h?
The fastest trim, the AMG GLC 43 4MATIC, accelerates from 0 to 100 km/h in 4.8s, reaching a top speed of 250 km/h (155 mph) with the AMG GLC 43 4MATIC.
What is the most fuel-efficient Mercedes-Benz GLC X254 trim?
The GLC 200 4MATIC delivers the highest fuel economy at 33.0 MPG (EPA combined). Across the 3 powertrains, fuel economy spans 25–33 combined MPG.
How does the X254 compare to the previous Mercedes-Benz GLC?
Against the X253 predecessor it replaces, the X254 is clearly more efficient, noticeably more powerful, heavier, mostly safety and equipment mass. Side-by-side technical specs are detailed in the comparison table below.
What model years are included in the Mercedes-Benz GLC X254?
The Mercedes-Benz GLC X254 was produced from 2022 – present, spanning the following model years: 2022, 2023, 2024, 2025, 2026.
What are the exterior dimensions of the Mercedes-Benz GLC X254?
4716 mm long, 1890 mm wide, 1640 mm tall on a 2888 mm wheelbase (185.7 in overall length).
Sources for this page
- EPA fuel-economy records: Mercedes-Benz GLCCertification data, 2022–2026
- NHTSA vehicle file: recalls, complaints and investigations2022 Mercedes-Benz GLC, official safety record
- NHTSA vPIC vehicle databasePowers our VIN decoder, the federal manufacturer registry
- Mercedes-Benz official: data sheets and archiveManufacturer-published specifications
Figures on this page are compiled from the sources above and cross-checked against manufacturer data sheets. US-market EPA cycle where noted; European WLTP values are measured differently and are not directly comparable.
Guides worth reading before you choose
AWD vs. 4WD vs. FWD vs. RWD: The Complete Drivetrain Guide (Mechanics, Snow, Towing & Efficiency)
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September 19, 2026
Turbocharged vs. Naturally Aspirated Engines: Boost, Lag, Reliability & Fuel Economy
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