beebs

2021 Mercedes-Benz GLC300 review

Research, photos, specs, and expertise

Mercedes-Benz GLC300 highlights

Customer rating

RepairPal reliability rating

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

Mileage (EPA estimate)

21 city, 28 highway, 23 combined

Pricing for current inventory

(no current inventory)

View our Mercedes-Benz GLC300 inventory
Lighting bolt logo
Can an EV fit my lifestyle? Image of woman on smartphone while charging an EV

Does an EV fit my lifestyle?

On this page

Find your GLC300
then buy online or in-store

Learn more about getting pre-qualified with no impact to your credit score
Price
Year
Search our GLC300 inventorySearch for a different car

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.Get Pre-qualified

All Mercedes-Benz GLC300 years

What is new for the 2021 Mercedes-Benz GLC300?

  • GLC300 trims have been upgraded with Parking Sensors and Automated Parking as standard equipment this year.

2021 Mercedes-Benz GLC300 trims

Curious how Mercedes-Benz GLC300 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Base:

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.Get Pre-qualified

Ratings & reliability

Customer ratings

4.8 out of 5

6 customer reviews

RepairPal reliability rating

RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of August 2023. Learn more about RepairPal reliability ratings

4
Excellent

RepairPal gave the Mercedes-Benz GLC300 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Excellent. This rating ranks Mercedes-Benz GLC300 4th out of 29 among Luxury Midsize SUVs.

View RepairPal's full rating of the Mercedes-Benz GLC300

2021 Mercedes-Benz GLC300 FAQ

Mercedes-Benz GLC300 articles

BMW 3 Series vs. Mercedes-Benz C-Class: What to Know When Buying Used: Abstract | CarMax

BMW 3 Series vs. Mercedes-Benz C-Class: What to Know When Buying Used

If you're in the market for your first luxury car, the Mercedes-Benz C-Class and the BMW 3 Series should be right at the top of your list. Here's a closer look.
Customer Favorites: Top 10 Used Compact Luxury SUVs: Abstract

Top 10 Used Compact Luxury SUVs

If you're in the market for a compact SUV with class and style, you want to know what amenities are available and how you can get the most for your money. For a list of SUVs with the right amount of space and luxury touches, check out our list of the top 10 compact luxury SUVs based on CarMax sales data.
These Are the Cars You're Looking For

These Are the Cars You're Looking For

Around the country, shoppers are seeking out different cars and trucks. We see the search patterns, in the northeast, southeast, midwest, southwest, and west coast. And we’re sharing our results with you.

Want to view more trending articles?

Research other vehicles


* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.​

Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.

Unless otherwise noted, information related to featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities.​ By clicking on any video links, you will be taken to a third-party site maintained by YouTube, Inc.

We make every effort to provide accurate information, but please verify before purchasing.