2021 Mercedes-Benz GLB vs. 2021 Mercedes-Benz GLC

2021 Mercedes-Benz GLB vs GLC
2021 Mercedes-Benz GLB


2021 Mercedes-Benz GLC
221-hp, 2.0L inline-4 turbo


255-hp, 2.0L inline-4 turbo
8G-DCT 8-speed dual-clutch automatic


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

22.0 to 62.0 cubic feet

Cargo Capacity

19.4 to 56.5 cubic feet

If you’re shopping for a Mercedes-Benz SUV around Princeton and need help sorting through your options, part of your research should include reading our GLB vs. GLC comparison. We’ll walk you through their core differences, so you can decide which one is best for your needs and budget. Once you’re done reading, fill out a pre-approval and reach out to Mercedes-Benz of Princeton to schedule for a test drive in Lawrenceville.

GLB vs. GLC: Performance

If efficiency is your priority, you’ll appreciate the fact that the GLB gets up to 23 city and 31 highway mpg*. If you’re intrigued by raw power, note that the GLC can go from 0 to 60 mph in 6.1 seconds flat. Here’s how the specs compare:

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

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

GLB vs. GLC: Dimensions

When comparing the Mercedes-Benz GLB vs. GLC, you’ll find that they’re both roomy and feature ample cargo space. Both come standard as 2-row 5-seaters—the 3rd for 7 seats is an upgrade. Here’s a quick breakdown of how their key measurements compare.

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 (7 optional)
  • Cargo Capacity: 19.4 to 56.5 cubic feet

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

GLB vs. GLC: Standard Features

Regardless of whether Hamilton drivers choose the GLB or GLC, they’ll enjoy power front seats with memory, dual-zone automatic climate control, 3 years of Mercedes me connect, and illuminated entry. However, the GLC offers more standard features than the Mercedes-Benz GLB. Here are some additional luxurious upgrades:

  • 40/20/40-split rear seats with power folding
  • Heated front seats
  • 10.25-inch touchscreen multimedia display

Compare the Mercedes-Benz GLB vs. GLC for Yourself in Lawrenceville

Now that Mercer County drivers have read our GLB vs. GLC comparison, the next step is to call Mercedes-Benz of Princeton at (609) 910-5826 to arrange for a comparative test drive. Still in the research phase? Be sure to explore our Mercedes-Benz GLC vs. GLE comparison and our Mercedes-Benz GLC dimensions blog  as well!


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.

Mercedes-Benz of Princeton 40.2717896, -74.7091983.