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Mercedes GLA 220 AMG Line Prem + D 4M A

Reliability, estimated running costs, and MOT data across 4 model years from 1,797 MOT tests in 2024.

Avg Pass Rate

94%

Total Tests

1,797

Highest Pass Rate

2021 (96%)

Years Covered

4

About the Mercedes GLA 220 AMG Line Prem + D 4M A

The Mercedes GLA 220 AMG Line Prem + D 4M A was MOT tested 1,797 times in 2024 (DVSA data, retests included) across 4 model years (2020 to 2021), with an average pass rate of 94%. That's comfortably above the average of 82% across all models in our data. Our records list diesel versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 96% from 1,006 tests. The 2020 model has the lowest at 93%. With just a 3 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.

Mileage Across Years

The oldest model in our data (2020) averages 30,230 miles, while the newest (2021) averages 26,038 miles.

Compared to the Mercedes brand average of 87%, the GLA 220 AMG Line Prem + D 4M A performs 7 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Diesel, 1950cc)
£1,397
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£1,852
Per month£154/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 220 AMG Line Prem + D 4M A?

vs average of all models+12% (82% avg)
vs Mercedes brand average+7% (87% avg)
Best to worst year spread3 percentage points

Mercedes GLA 220 AMG Line Prem + D 4M A by Year

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

YearPass RateTestsAvg Mileage
202196%1,00622,885 mi
202191%9926,038 mi
202095%58030,230 mi
202093%11232,791 mi

Questions about the Mercedes GLA 220 AMG Line Prem + D 4M A

Is the Mercedes GLA 220 AMG Line Prem + D 4M A reliable?

Across its 4 model years in our data (2020 to 2021), the Mercedes GLA 220 AMG Line Prem + D 4M A averages a 94% MOT pass rate, from 1,797 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 96%.

Which year Mercedes GLA 220 AMG Line Prem + D 4M A has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Mercedes GLA 220 AMG Line Prem + D 4M A has the highest MOT pass rate at 96%, while the 2020 model has the lowest at 93%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mercedes GLA 220 AMG Line Prem + D 4M A Guides & Articles

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