Mercedes Gla
Reliability, running costs, and MOT data across 7 years from 129,992 real MOT tests.
Avg Pass Rate
89%
Total Tests
129,992
Best Year
2020 (92%)
Years Covered
7
How reliable is the Mercedes Gla?
Mercedes Gla by Year
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About the Mercedes Gla
The Mercedes Gla has been tested 129,992 times in 2024 MOT data across 7 model years (2014 to 2020), with an average pass rate of 89%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol and diesel.
Best and Worst Years
The 2020 model is the most reliable with a 92% pass rate from 2,329 tests. The 2016 model has the lowest at 87%. With just a 5 point spread, the Gla is consistently reliable regardless of year.
Reliability Trend
The MERCEDES GLA has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (2014) averages 75,803 miles, while the newest (2020) averages 29,861 miles.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.