CarCostCheck

Mercedes GLB 200 AMG Line Premium Auto

Reliability, estimated running costs, and MOT data across 3 model years from 1,605 MOT tests in 2024.

Avg Pass Rate

95%

Total Tests

1,605

Highest Pass Rate

2021 (95%)

Years Covered

3

About the Mercedes GLB 200 AMG Line Premium Auto

The Mercedes GLB 200 AMG Line Premium Auto was MOT tested 1,605 times in 2024 (DVSA data, retests included) across 3 model years (2020 to 2022), with an average pass rate of 95%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 95% from 1,218 tests. The 2020 model has the lowest at 92%. 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 33,621 miles, while the newest (2022) averages 24,396 miles.

Compared to the Mercedes brand average of 87%, the GLB 200 AMG Line Premium Auto performs 8 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Petrol, 1332cc)
£1,398
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£1,853
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 2022 details

How reliable is the Mercedes GLB 200 AMG Line Premium Auto?

vs average of all models+13% (82% avg)
vs Mercedes brand average+8% (87% avg)
Best to worst year spread3 percentage points

Mercedes GLB 200 AMG Line Premium Auto by Year

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

YearPass RateTestsAvg Mileage
202298%16224,396 mi
202195%1,21826,956 mi
202092%22533,621 mi

Questions about the Mercedes GLB 200 AMG Line Premium Auto

Is the Mercedes GLB 200 AMG Line Premium Auto reliable?

Across its 3 model years in our data (2020 to 2022), the Mercedes GLB 200 AMG Line Premium Auto averages a 95% MOT pass rate, from 1,605 tests (DVSA MOT data for tests in 2024, retests included). That's 13 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 95%.

Which year Mercedes GLB 200 AMG Line Premium Auto has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Mercedes GLB 200 AMG Line Premium Auto has the highest MOT pass rate at 95%, while the 2020 model has the lowest at 92%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mercedes GLB 200 AMG Line Premium Auto Guides & Articles

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