2021 Mercedes-Benz GLB vs. GLC
2021 Mercedes-Benz GLBvs. 2021 GLC
You’ve decided to buy a luxury SUV for all of your Boulder City and Laughlin adventures ahead, but which model should you choose? Many drivers find themselves torn between the best-selling 2021 Mercedes-Benz GLB vs. GLC, and it’s not hard to see why. Both showcase signature Mercedes-Benz performance and technology, not to mention style. But the two models offer different advantages on the road, so take a look at our GLB vs. GLC comparison to see which SUV is the better match for your needs.
| 2021 Mercedes-Benz GLB |
VS |
2021 Mercedes-Benz GLC |
| 221-hp, 2.0L inline-4 turbo |
Engine |
255-hp, 2.0L inline-4 turbo |
| 8G-DCT 8-speed dual-clutch automatic |
Transmission |
9G-TRONIC® 9-speed automatic |
| 6.9 seconds |
Acceleration (0 to 60 MPH) |
6.1 seconds |
| 23 city/31 highway mpg* |
Fuel Economy |
22 city/29 highway mpg* |
| 5 to 7 |
Passenger Capacity |
5 |
| 22.0 to 62.0 cubic feet |
Cargo Capacity |
19.4 to 56.5 cubic feet |
GLB vs. GLC: Power & Handling
When it comes to the Mercedes-Benz GLB vs. GLC, no model is better or worse than the other. Both offer luxury performance with options like 4MATIC®® All-Wheel Drive and high-performance AMG® trims. But the Mercedes-Benz GLB is the more fuel-efficient of the two if you’re looking for a great commuter car, while the Mercedes-Benz GLC offers more power and faster acceleration right off the bat. Take a look at how the GLB vs. GLC stack up:
Mercedes-Benz GLB 250 Engine Specs
- Engine: 2.0L inline-4 turbo
- Acceleration: 6.9 second 0 to 60 mph
- Horsepower: 221 hp
- Torque: 258 lb-ft
- Transmission: 8-speed automatic transmission
Mercedes-Benz GLC 300 Engine Specs
- Engine: 2.0L inline-4 turbo
- Acceleration: 6.1 second 0 to 60 mph
- Horsepower: 255 hp
- Torque: 273 lb-ft
- Transmission: 9-speed automatic transmission

GLB vs. GLC: Size & Seating
Next, what are your space needs? The Mercedes-Benz GLC has slightly larger exterior dimensions, including a longer wheelbase that translates to a smoother ride while navigating Kingman. But the Mercedes-Benz GLB offers an optional third-row configuration that boosts both passenger and cargo capacity past the GLC. Take a look at the Mercedes-Benz GLB vs. GLC dimensions:
Mercedes-Benz GLB 250 Measurements
- Passenger Capacity: 5-7 passengers
- Headroom: 40.7 inches (front), 39.3 inches (back)
- Shoulder Room: 55.9 inches (front), 54.9 inches (back)
- Legroom: 41.4 inches (front), 39.3 inches (back)
- Cargo Capacity: 22.0- 62.0 cubic feet
- Length: 182.4 inches
- Wheelbase: 111.4 inches
Mercedes-Benz GLC 300 Measurements
- Passenger Capacity: 5 passengers
- Headroom: 37.8 (front), 38.56 inches (back)
- Shoulder Room: 57.3 inches (front), 56.5 inches (back)
- Legroom: 40.8 inches (front), 37.3 inches (back)
- Cargo Capacity: 19.4-56.5 cubic feet
- Length: 183.3 inches
- Wheelbase: 113.1 inches
Experience the GLB & GLC at Mercedes-Benz of Henderson
Between the Mercedes-Benz GLB vs. GLC, which SUV will you choose? Feel free to contact us at Mercedes-Benz of Henderson for more information about the lineups or start shopping online to check out your options from home!
EPA estimated fuel economy. Compare the estimated mpg to the estimated mpg of other vehicles. You may get different mileage depending on how fast you drive, weather conditions and trip length. Your actual highway mileage will probably be less than the highway estimate.