2021 Mercedes-Benz GLB vs. GLC

2021 Mercedes-Benz GLB vs GLC
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 (7 optional)

Passenger Capacity

5
22.0 to 62.0 cubic feet

Cargo Capacity

19.4 to 56.5 cubic feet

Mercedes-Benz SUVs are perfect for South Riding-area drivers who are looking for a sophisticated and comfortable driving experience. However, if you’re deciding between the Mercedes-Benz GLB vs. GLC, which one should you choose? You can compare the GLB vs. GLC yourself below. Then, come visit us in Chantilly and browse our selection of new Mercedes-Benz SUVs

GLB vs. GLC: Engine Specifications

The best part of getting a luxury SUV like the GLB or GLC is how well they drive on Centerville streets. Sizable horsepower and torque ensure quick acceleration and impressive performance at high speeds. Compare the specs of the Mercedes-Benz GLB vs. GLC and see whether you want to prioritize fuel-efficiency or horsepower and torque: 

Mercedes-Benz GLB 250

  • Engine: 2.0L inline-4 turbo
  • Transmission: 8G-DCT 8-speed dual-clutch automatic
  • Fuel Economy: 23 city/31 highway mpg*
  • Acceleration: 0 to 60 mph in 6.9 second
  • Horsepower: 221 hp
  • Torque: 258 lb-ft

Mercedes-Benz GLC 300

  • Engine: 2.0L inline-4 turbo
  • Transmission: 9G-TRONIC® 9-speed automatic
  • Fuel Economy: 22 city/29 highway mpg*
  • Acceleration: 0 to 60 mph in 6.1 second 
  • Horsepower: 255 hp
  • Torque: 273 lb-ft

GLB vs. GLC: Interior and Exterior Dimensions

The GLB and GLC are both built with plenty of space for you and your passengers—but only the GLB offers an optional third row. You can check their dimensions below and see which one has the space that you need: 

Mercedes-Benz GLB 250

  • Length: 182.4 inches
  • Wheelbase: 111.4 inches
  • Headroom (Front / Rear): 40.7 / 39.3 inches
  • Shoulder Room (Front / Rear): 55.9 / 54.9 inches
  • Legroom (Front / Rear): 41.4 / 39.3 inches
  • Passenger Capacity: 5 (7 optional)
  • Cargo Capacity: 22.0 to 62.0 cubic feet

Mercedes-Benz GLC 300

  • Length: 183.3 inches
  • Wheelbase: 113.1 inches
  • Headroom (Front / Rear): 37.8 / 38.56 inches
  • Shoulder Room (Front / Rear): 57.3 / 56.5 inches
  • Legroom (Front / Rear): 40.8 / 37.3 inches
  • Passenger Capacity: 5 passengers 
  • Cargo Capacity: 19.4 to 56.5 cubic feet

Compare the Mercedes-Benz GLB vs. GLC in Person at Mercedes-Benz of Chantilly

Mercedes-Benz of Chantilly is only a short drive from Ashburn. Come visit us and compare the GLB vs. GLC in person. You can contact us ahead of time to schedule a test drive or ask any questions. You can also apply for financing online today and speed up the process of buying your new Mercedes-Benz.

*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.

More from Mercedes-Benz of Chantilly

  • The 2026 Mercedes-Benz CLA: EV and Hybrid Power in Chantilly, VA

    Request More Info What Powertrains Will the 2026 Mercedes-Benz CLA Offer? The 2026 Mercedes-Benz CLA is redefining the luxury compact segment with the debut of both all-electric (EV) and hybrid powertrain options. Built on the Mercedes Modular Architecture (MMA), this advanced CLA lineup offers Chantilly drivers a perfect balance of innovation, performance, and efficiency. Whether…

  • Discover the New Mercedes-Benz Apple Watch App

    Shop New Mercedes-Benz Vehicles Contact Us for More Info What Is the New Mercedes-Benz Apple Watch App? Mercedes-Benz has rolled out an innovative new app designed specifically for Apple Watch users, offering seamless connectivity between you and your vehicle. Integrated with the Mercedes me connect system, this app allows Mercedes-Benz drivers in Chantilly, VA, to…

  • Mercedes-Benz E-Class Named MotorTrend 2025 Car of the Year

    Shop New E-Class Inventory Schedule a Test Drive Why Was the 2025 Mercedes-Benz E-Class Named MotorTrend’s 2025 Car of the Year? The 2025 Mercedes-Benz E-Class has earned the prestigious title of MotorTrend’s 2025 Car of the Year, cementing its position as a leader in the luxury sedan category. This award marks the third time the…

Mercedes-Benz of Chantilly 38.8987624, -77.4604216.