CarCostCheck

MERCEDES CLA (2015)

Running costs, common problems, and reliability data based on 16,532 real MOT tests in 2024.

MOT Pass Rate

86%

Total Tests (2024)

16,532

Avg Mileage

82,370 mi

Est. Annual Cost

£1,900

Is the 2015 MERCEDES CLA reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 9 years old, 86% of MERCEDES CLAs from 2015 passed their MOT first time in 2024. That's based on 16,532 tests across the UK. The average mileage at this age is 82,370 miles.

How does the 2015 MERCEDES CLA compare?

Rank among all 2015 cars274th out of 559(top 49%)
Rank among all MERCEDES models851th out of 1,408(top 60%)
vs national average+4% (82% avg)
vs 2015 cars average+3% (83% avg)
vs MERCEDES average-1% (87% avg)

Mileage Analysis

The average 2015 MERCEDES CLA has 82,370 miles on the clock, which is above the expected 66,600 miles for a 9-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

Best year to buy a MERCEDES CLA?

The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2013 model has the lowest at 84%. The 2015 sits between the two at 86%.

How much does a 2015 MERCEDES CLA cost to run?

Fuel (Diesel, 2143cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,900
Per month£158/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

MERCEDES CLA by Year

YearPass RateTestsAvg Mileage
202296%74425,883 mi
202192%12,88828,983 mi
202091%11,03935,990 mi
201990%17,41941,662 mi
201889%18,05951,592 mi
201787%19,33363,934 mi
201687%18,32774,073 mi
201586%16,53282,370 mi
201485%11,12189,018 mi
201384%5,18293,382 mi

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About the 2015 MERCEDES CLA

The 2015 MERCEDES CLA is a family car with a 2143cc diesel engine. 16,532 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 82,370 miles at 9 years old, MERCEDES CLA owners cover more miles than the average driver.

2015 MERCEDES CLA 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 CLA?

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 86% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES CLA Reliability Trend

Newer MERCEDES CLAs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2015 MERCEDES CLA

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. If you're flexible on year, the 2022 model has the highest pass rate at 96%. With 16,532 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2015 MERCEDES CLA

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines: