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2018 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, 24 combined

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All Mercedes-Benz GLC300 years

What is new for the 2018 Mercedes-Benz GLC300?

  • GLC300 trims have been upgraded with Remote Start as standard equipment this year.
  • Sunroof(s), Full Roof Rack, 20 Inch Plus Wheels, DVD Video System, Apple CarPlay, and Android Auto features are now available as options on select trims.

2018 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

10 customer reviews
The 2018 Mercedes-Benz GLC300 is a luxury car that has many features. Customers like the car's smooth ride, comfortable interior, and great fuel economy. The car also has a lot of driver assistance features.

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

2018 Mercedes-Benz GLC300 FAQ

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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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