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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

Compare the 2021 Mercedes-Benz GLA vs. GLB

2021 Mercedes-Benz GLA vs. 2021 Mercedes-Benz GLB

2021 Mercedes-Benz GLA


2021 Mercedes-Benz GLB

Starting MSRP

8-speed automatic


8-speed automatic
5-7 (optional)

Seating Capacity

5-7 (optional)

Mercedes-Benz User Experience (MBUX)


If you’re dreaming of a new luxury SUV to take your Fairfield commute up a notch, you may want to compare the 2021 Mercedes-Benz GLA vs. GLB. Both Mercedes-Benz SUVs have a spacious interior, top-of-the-line technology features, and a plethora of driver-assist amenities to keep you safe on Norwalk roads. Learn more about the Mercedes-Benz GLA vs. GLB matchup here, and then contact us at Mercedes-Benz of Fairfield to go for a test drive!



Mercedes-Benz GLA vs. GLB: Price

For some Westport drivers, the Mercedes-Benz GLA is a more accessible option. However, If you want more premium technology features, the 2021 Mercedes-Benz GLB is ideal. You’ll spend about $38,050* MSRP for the GLB, compared to $36,230* MSRP for the GLA.Mercedes-Benz GLA vs. GLB: Engine PerformanceWhen you compare the new Mercedes-Benz GLA vs. GLB on their standard engines, you’ll find they provide the same impressive performance on Norwalk roads:

Standard Engine Specs

  • 2.0L inline-4 turbo
  • 221 hp / 258 lb-ft of torque
  • 8-speed automatic transmission

Both the Mercedes-Benz GLA and GLB offer the optional 4MATIC®® AWD system for a more potent performance and smoother handling. Additionally, the GLA and the GLB are both offered in AMG® configurations. When all is said and done, either model can be a great choice for the daily commuter or the performance enthusiast.


Mercedes-Benz GLA vs. GLB: Passenger Space

Both models are considered compact SUVs, but don’t think that you and your passengers will be cramped on those long drives out to Weston. Nothing could be further from the truth! These Mercedes-Benz SUVs provide ample room for everyone to stretch out and get comfortable. Review their key interior dimensions below.


2021 Mercedes-Benz GLA Passenger Dimensions

  • Front legroom: 41.0 inches
  • Rear legroom: 38.8 inches


2021 Mercedes-Benz GLB Passenger Dimensions

  • Front legroom: 41.1 inches
  • Rear legroom: 38.1 inches

However, there’s one very important difference between the GLA and the GLB: only the latter is offered with an optional third row! If you’re looking for a compact SUV with room for up to seven passengers, the GLB is your ride.


Mercedes-Benz GLA vs. GLB: Cargo Space

Do you also need enough cargo space for all of your sporting gear? If so, you should know that the Mercedes-Benz GLB has more room, with up to 62.0 cubic feet of cargo space in the cabin. The Mercedes-Benz GLA offers up to 50.5 cubic feet.


Mercedes-Benz GLA vs. GLB: Interior Features

In addition to ample cargo space and room to stretch out, both models offer the high-end interior amenities you expect from a Mercedes-Benz SUV. These are just some of the premium interior features that will make even the longest trips more enjoyable:

  • Adjustable steering column
  • Heated front seats
  • Power liftgate
  • Power-adjustable driver seat
  • Driver seat memory

Test Drive a New Mercedes-Benz SUV at Mercedes-Benz of Fairfield TodayBy now, you probably can’t wait to compare the Mercedes-Benz GLA vs. GLB in person. If so, contact us at Mercedes-Benz of Fairfield to schedule a test drive or two. We’ll help you decide which is the best Mercedes-Benz SUV for your lifestyle! Want to save yourself some time at the dealership? If so, complete a financing application through our website or find out how to shop and buy online. We can’t wait to help you take the next steps.

*Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.


Learn More with Mercedes-Benz of Fairfield

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  • 2021 Mercedes-Benz GLC 300 Colors

    Choosing the perfect color is one of the most exciting parts of finding a new or new-to-you vehicle, and the 2021 Mercedes-Benz GLC colors certainly don’t disappoint! Inside and out, this segment-leading compact SUV has undeniable style. If you’re ready to stand out on the roads near Westport and Norwalk, review the full range of Mercedes-Benz GLC 300 colors below and feel free to give our sales department a call at Call sales Phone Number(877) 557-5298 with any questions on the 2021 Mercedes Benz GLC interior and exterior colors!

  • What’s Inside the 2021 Mercedes-Benz GLB Interior?

    The Mercedes-Benz GLB interior is designed for versatility: it stands unique among 3rd row Mercedes-Benz SUVs because of its compact size. And that advantage is just one among many that Westport drivers get with the GLB! This SUV’s interior is full of luxurious amenities as well. Mercedes-Benz of Fairfield covers GLB configurations, GLB dimensions, and more in our comprehensive guide to the 2021 Mercedes-Benz GLB interior.

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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.