Mercedes A
Reliability, running costs, and MOT data across 10 years from 188,823 real MOT tests.
Avg Pass Rate
88%
Total Tests
188,823
Best Year
2021 (94%)
Years Covered
10
About the Mercedes A
The Mercedes A has been tested 188,823 times in 2026 MOT data across 10 model years (2013 to 2022), with an average pass rate of 88%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel and petrol.
Best and Worst Years
The 2021 model is the most reliable with a 94% pass rate from 37,477 tests. The 2014 model has the lowest at 74%. With a 20 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer MERCEDES As show better MOT pass rates than older ones, with an average improvement of 6 percentage points.
Mileage Across Years
The oldest model in our data (2013) averages 69,440 miles, while the newest (2022) averages 24,036 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2022 detailsHow reliable is the Mercedes A?
Mercedes A by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Mercedes A Guides & Articles
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