CarCostCheck

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?

vs national average+7% (82% avg)
vs Mercedes brand average+2% (87% avg)
Best to worst year spread5 percentage points
Reliability trendStable over years

Mercedes Gla by Year

YearPass RateTestsAvg Mileage
202092%2,32929,861 mi
201991%21,47937,588 mi
201890%31,71745,302 mi
201788%26,44455,257 mi
201687%21,23764,678 mi
201587%18,89271,667 mi
201488%7,89475,803 mi

Checking a specific Mercedes Gla?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

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.