CarCostCheck

Mercedes Glc 300 sport 4matic auto

Reliability, running costs, and MOT data across 2 years from 1,305 real MOT tests.

Avg Pass Rate

93%

Total Tests

1,305

Best Year

2020 (94%)

Years Covered

2

About the Mercedes Glc 300 sport 4matic auto

The Mercedes Glc 300 sport 4matic auto has been tested 1,305 times in 2026 MOT data across 2 model years (2019 to 2020), with an average pass rate of 93%. That's comfortably above the national average of 82%, making it a reliable choice. Available as hybrid.

Best and Worst Years

The 2020 model is the most reliable with a 94% pass rate from 909 tests. The 2019 model has the lowest at 92%. With just a 2 point spread, the Glc 300 sport 4matic auto is consistently reliable regardless of year.

Mileage Across Years

The oldest model in our data (2019) averages 35,776 miles, while the newest (2020) averages 29,534 miles.

Compared to the Mercedes brand average of 87%, the Glc 300 sport 4matic auto performs 6 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Hybrid, 1991cc)
£1,327
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£1,777
Per month£148/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2020 details

How reliable is the Mercedes Glc 300 sport 4matic auto?

vs national average+11% (82% avg)
vs Mercedes brand average+6% (87% avg)
Best to worst year spread2 percentage points

Mercedes Glc 300 sport 4matic auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202094%90929,534 mi
201992%39635,776 mi

Mercedes Glc 300 sport 4matic auto Guides & Articles

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