Mercedes-Benz GLB vs. GLC

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

6.9 seconds

Acceleration (0 to 60 MPH)

6.1 seconds
23 city/31 highway mpg*

Fuel Economy

22 city/29 highway mpg*
221-hp, 2.0-liter I-4 (premium)


255-hp, 2.0-liter I-4 (premium)
258 @ 1,800 rpm


273 @ 1,800 rpm

Heated Front Seats


Power Folding Side Mirrors



62.0 cu.ft.

Maximum Cargo Volume

56.5 cu.ft.

Are you having your own internal Mercedes-Benz GLB vs. GLC debate? Either the 2021 Mercedes-Benz GLB or the 2021 Mercedes-Benz GLC would make a fine addition to any San Diego driveway, but you’ll need to make a decision eventually. Our detailed GLB vs. GLC comparison can help you take the next steps with confidence today.

2021 Mercedes-Benz GLB vs. GLC – Cost

The MSRP for the GLB comes in a few thousand dollars lower than that of the Mercedes-Benz GLC. That’s likely due to the fact that the GLC has a slightly more powerful engine and comes standard with more features. The GLB does a little bit better on fuel economy, too, so it often costs less to own:

Starting MSRP

  • 2021 Mercedes-Benz GLB 250 – $38,050 MSRP*
  • 2021 Mercedes-Benz GLC 300 – $43,200 MSRP*

EPA-Estimated Gas Mileage

  • 2021 Mercedes-Benz GLB – Fuel economy of up to 23 city/31 highway mpg**
  • 2021 Mercedes-Benz GLC – Fuel economy of up to 22 city/29 highway mpg**

2021 Mercedes-Benz GLB vs. GLC – Power and Performance

Both SUVs have plenty of power under the hood, but the GLC has a little more. Here are the engine and performance specs:

2021 Mercedes-Benz GLB Performance Specs

  • Horsepower – 221 @ 5,500 rpm
  • Torque – 258 @ 1,800 rpm
  • Acceleration (0 to 60 MPH) – 6.9 seconds

2021 Mercedes-Benz GLC Performance Specs

  • Horsepower – 255 @ 5,800 rpm
  • Torque – 273 @ 1,800 rpm
  • Acceleration (0 to 60 MPH) – 6.1 seconds

2021 Mercedes-Benz GLB vs. GLC – Luxury and Entertainment Features

The GLB and GLC are both packed with features that are sure to make your San Diego commute more enjoyable, but the GLC offers a few standard bells and whistles that would cost you extra on the GLB. Here’s a closer look at its advantages:

  • Heated Front Seats
  • Power Folding Side Mirrors
  • Analog gauges with high-resolution multifunction display

2021 Mercedes-Benz GLB vs. GLC – Passenger and Cargo Space

Your cargo and passengers will have plenty of room in either the GLB or GLC, but the GLB has a little more room for both. It also has an available third row which makes it possible to accommodate seven passengers. Here are the specs:

2021 Mercedes-Benz GLB Interior Space

  • Available 3rd Row – Yes
  • Passengers – 5 as standard, or 7 with the optional third row
  • Maximum Cargo Volume – 62.0 cubic feet

2021 Mercedes-Benz GLC Interior Space

  • Available 3rd Row – No
  • Passengers – 5
  • Maximum Cargo Volume – 56.5 cubic feet

If you’re looking for something on the smaller side and you don’t need a third row of seating, compare the Mercedes-Benz GLA vs. GLB to learn more about your options.

Check Out the Mercedes-Benz SUVs at Mercedes-Benz of San Diego

We make it easy for you to get behind the wheel of your next vehicle. You can even apply for financing online. We’re just a short drive away from Rancho Santa Fe or Del Mar. So, drop by or contact us today!

*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.
**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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