MERCEDES A 180 SPORT D (2021)
Running costs, common problems, and reliability data based on 87 real MOT tests in 2024.
MOT Pass Rate
98%
Total Tests (2024)
87
Avg Mileage
43,058 mi
Est. Annual Cost
£1,482
Is the 2021 MERCEDES A 180 SPORT D reliable?
Excellent reliability. Very few MOT failures. That's 16 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 98% of MERCEDES A 180 SPORT Ds from 2021 passed their MOT first time in 2024. That's based on 87 tests across the UK. The average mileage at this age is 43,058 miles.
How does the 2021 MERCEDES A 180 SPORT D compare?
Mileage Analysis
The average 2021 MERCEDES A 180 SPORT D has 43,058 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2021 MERCEDES A 180 SPORT D 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 A 180 SPORT D by Year
Checking a specific MERCEDES A 180 SPORT D?
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About the 2021 MERCEDES A 180 SPORT D
The 2021 MERCEDES A 180 SPORT D is a family car with a 1950cc diesel engine. 87 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 7% of all 2021 cars for reliability.
With an average of 43,058 miles at 3 years old, MERCEDES A 180 SPORT D owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 MERCEDES A 180 SPORT D Fuel Costs
The 1950cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 MERCEDES A 180 SPORT D?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 98% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES A 180 SPORT D Reliability Trend
Newer MERCEDES A 180 SPORT Ds show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2021 MERCEDES A 180 SPORT D
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 87 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MERCEDES A 180 SPORT D
The MERCEDES A 180 SPORT D is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-9%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-7%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (-7%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (-9%) from 65,751 tests