MERCEDES GLA (2015)
Running costs, common problems, and reliability data based on 18,892 real MOT tests in 2024.
MOT Pass Rate
87%
Total Tests (2024)
18,892
Avg Mileage
71,667 mi
Est. Annual Cost
£1,900
Is the 2015 MERCEDES GLA reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 9 years old, 87% of MERCEDES GLAs from 2015 passed their MOT first time in 2024. That's based on 18,892 tests across the UK. The average mileage at this age is 71,667 miles.
How does the 2015 MERCEDES GLA compare?
Mileage Analysis
The average 2015 MERCEDES GLA has 71,667 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES GLA?
The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2015 model has the lowest at 87%. Consider a different year if reliability is a priority.
How much does a 2015 MERCEDES GLA cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES GLA by Year
Checking a specific MERCEDES GLA?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 MERCEDES GLA
The 2015 MERCEDES GLA is a family car with a 2143cc diesel engine. 18,892 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.
With an average of 71,667 miles at 9 years old, MERCEDES GLA owners drive about as much as the UK average.
2015 MERCEDES GLA Fuel Costs
The 2143cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2015 MERCEDES GLA?
Total estimated annual running cost is £1,900 (£158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 87% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES GLA Reliability Trend
The MERCEDES GLA has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2015 MERCEDES GLA
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. With 18,892 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2015 MERCEDES GLA
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2015) 89% pass rate (+2%) from 121,777 tests
- VAUXHALL ASTRA (2013) 79% pass rate (-8%) from 101,969 tests
- FORD TRANSIT (2017) 81% pass rate (-6%) from 80,031 tests
- BMW 3 SERIES (2013) 85% pass rate (-2%) from 71,326 tests