MERCEDES CLA 180 AMG LINE AUTO (2020)
Running costs, common problems, and reliability data based on 265 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
265
Avg Mileage
37,824 mi
Est. Annual Cost
£1,582
Is the 2020 MERCEDES CLA 180 AMG LINE AUTO reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 4 years old, 92% of MERCEDES CLA 180 AMG LINE AUTOs from 2020 passed their MOT first time in 2024. That's based on 265 tests across the UK. The average mileage at this age is 37,824 miles.
How does the 2020 MERCEDES CLA 180 AMG LINE AUTO compare?
Mileage Analysis
The average 2020 MERCEDES CLA 180 AMG LINE AUTO has 37,824 miles on the clock, which is above the expected 29,600 miles for a 4-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 180 AMG LINE AUTO?
The most reliable year is the 2021 model with a 94% MOT pass rate, while the 2019 model has the lowest at 88%. The 2020 sits between the two at 92%.
How much does a 2020 MERCEDES CLA 180 AMG LINE AUTO 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 CLA 180 AMG LINE AUTO by Year
Checking a specific MERCEDES CLA 180 AMG LINE AUTO?
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About the 2020 MERCEDES CLA 180 AMG LINE AUTO
The 2020 MERCEDES CLA 180 AMG LINE AUTO is a small family car with a 1332cc petrol engine. 265 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 37,824 miles at 4 years old, MERCEDES CLA 180 AMG LINE AUTO owners cover more miles than the average driver.
2020 MERCEDES CLA 180 AMG LINE AUTO Fuel Costs
The 1332cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES CLA 180 AMG LINE AUTO?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES CLA 180 AMG LINE AUTO Reliability Trend
Newer MERCEDES CLA 180 AMG LINE AUTOs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2020 MERCEDES CLA 180 AMG LINE AUTO
At 4 years old, the MERCEDES CLA 180 AMG LINE AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 94%.
Alternatives to the 2020 MERCEDES CLA 180 AMG LINE AUTO
The MERCEDES CLA 180 AMG LINE AUTO is actually the most reliable option among similar petrol small family cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2018) 90% pass rate (-2%) from 157,746 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (same) from 89,653 tests
- VAUXHALL CORSA (2018) 85% pass rate (-7%) from 86,266 tests
- NISSAN QASHQAI (2018) 87% pass rate (-5%) from 78,522 tests