Is the Mercedes Glc 300 amg line premium 4m a reliable?

The Mercedes Glc 300 amg line premium 4m a has an average MOT pass rate of 93% across 4 years, based on 990 tests in 2026. That's 11 points above the national average of 82%. The most reliable year is 2022 with a 98% pass rate.

Which year Mercedes Glc 300 amg line premium 4m a is best?

The 2022 Mercedes Glc 300 amg line premium 4m a has the highest MOT pass rate at 98%, while the 2019 model has the lowest at 85%. There's a 13 percentage point spread between the best and worst years.

Mercedes Glc 300 amg line premium 4m a

Reliability, running costs, and MOT data across 4 years from 990 real MOT tests.

Avg Pass Rate

93%

Total Tests

990

Best Year

2022 (98%)

Years Covered

About the Mercedes Glc 300 amg line premium 4m a

The Mercedes Glc 300 amg line premium 4m a has been tested 990 times in 2026 MOT data across 4 model years (2019 to 2022), with an average pass rate of 93%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol and hybrid.

Best and Worst Years

The 2022 model is the most reliable with a 98% pass rate from 42 tests. The 2019 model has the lowest at 85%. The 13 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Newer MERCEDES GLC 300 AMG LINE PREMIUM 4M As show better MOT pass rates than older ones, with an average improvement of 9 percentage points.

Mileage Across Years

The oldest model in our data (2019) averages 35,527 miles, while the newest (2022) averages 18,139 miles.

Compared to the Mercedes brand average of 87%, the Glc 300 amg line premium 4m a performs 6 points better, making it one of the more reliable options in the Mercedes range.