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
How reliable is the Mercedes A?
Mercedes A by Year
Checking a specific Mercedes A?
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About the Mercedes A
The Mercedes A has been tested 188,823 times in 2024 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.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.