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2021 Mercedes-Benz GLC300 review

Research, photos, specs, and expertise

Mercedes-Benz GLC300 highlights

Customer rating

RepairPal reliability rating

Mileage (EPA estimate)

21 city, 28 highway, 23 combined

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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

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Ratings & reliability

Customer ratings

4.9 out of 5

9 customer reviews

RepairPal reliability rating

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.

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2021 Mercedes-Benz GLC300 FAQ

Mercedes-Benz GLC300 articles

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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.

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