Mercedes GLA 250 AMG Line Premium + A

Reliability, estimated running costs, and MOT data across 2 model years from 199 MOT tests in 2024.

Avg Pass Rate

96%

Total Tests

199

Model Years

2020 to 2021

Years Covered

About the Mercedes GLA 250 AMG Line Premium + A

The Mercedes GLA 250 AMG Line Premium + A was MOT tested 199 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 96%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2020) averages 24,832 miles, while the newest (2021) averages 20,328 miles.

Compared to the Mercedes brand average of 87%, the GLA 250 AMG Line Premium + A performs 9 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Petrol, 1991cc)

£1,631

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,086

Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mercedes GLA 250 AMG Line Premium + A?

vs average of all models+14% (82% avg)

vs Mercedes brand average+9% (87% avg)

Mercedes GLA 250 AMG Line Premium + A by Year

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

Year	Pass Rate	Tests	Avg Mileage
2021	94%	83	20,328 mi
2020	97%	116	24,832 mi

Questions about the Mercedes GLA 250 AMG Line Premium + A

Is the Mercedes GLA 250 AMG Line Premium + A reliable?

Across its 2 model years in our data (2020 to 2021), the Mercedes GLA 250 AMG Line Premium + A averages a 96% MOT pass rate, from 199 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.