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165 Commerce Dr, Fairfield, CT, 06825

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Dealership Info

Phone Numbers:Sales Hours:
  • Mon - Thu9:00 AM - 7:00 PM
  • Fri9:00 AM - 6:00 PM
  • Sat9:00 AM - 5:00 PM
  • SunClosed
Service Hours:
  • Mon - Fri7:30 AM - 5:30 PM
  • Sat8:00 AM - 3:00 PM
  • SunClosed
Parts Hours:
  • Mon - Fri7:30 AM - 5:30 PM
  • Sat8:00 AM - 3:00 PM
  • SunClosed

Mercedes-Benz GLB vs. GLC

(European image shown)

2021 Mercedes-Benz GLB vs. GLC Comparison

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


If you’re dreaming of a new compact SUV for your daily commute around Fairfield, read this comparison of the 2021 Mercedes-Benz GLB vs. GLC. Both Mercedes-Benz SUVs have potent engines and premium amenities, but the GLB has an optional third-row seat. When you’re finished reading, contact our dealership and ask to compare the GLB vs. GLC in person.

GLB vs. GLC: Dimensions

While the GLC seats up to five, the GLB can be configured to seat either five or seven passengers. It provides more space for you and your passengers to stretch out on those long drives out to Westport. With that said, the GLC is a bit longer than the GLB from end-to-end, and it also offers more shoulder room in both the first and second rows. Here is a summary of some of their key dimensions:

2021 2Mercedes-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

2021 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

GLB vs. GLC: Performance

Norwalk drivers that like a little more power under the hood will lean towards the Mercedes-Benz GLC. While the GLB is a bit more fuel-efficient, the GLC is stronger and faster. Plus, the GLC offers much more robust available engine upgrades.

2021 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

2021 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

Engine Upgrades: Weston drivers that opt for the Mercedes-Benz GLC can upgrade to a 385-hp V6, a 469-hp V8, or a 503-hp V8 engine. The GLB only offers one upgrade, a 302-hp I4.

GLB vs. GLC: Standard Features

Both the Mercedes-Benz GLB and the Mercedes-Benz GLC provide the luxurious amenities you expect in a Mercedes-Benz SUV. Both come standard with features like dual-zone automatic climate control, power front seats with memory, and three years of the renowned Mercedes me connect services. Still, the more expensive GLC includes several standard features that require an upgrade in the GLB or the GLA. For example:

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

Explore the Mercedes-Benz GLB vs. GLC at Mercedes-Benz of Fairfield

If you’re ready to take the next steps, head to Mercedes-Benz of Fairfield. Talk with our finance experts to learn about our lease offers and specials, and apply for financing before driving in. What are you waiting for? Contact us today!

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.

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(877) 557-5298

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165 Commerce Dr • Fairfield, CT 06825

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Today's Hours:

Open Today! Sales: 9am-6pm

Open Today! Service: 7:30am-5:30pm

Open Today! Parts: 7:30am-5:30pm

Mercedes-Benz of Fairfield 41.1666432, -73.2262337.