MERCEDES A 180 SE D (2020)
Running costs, common problems, and reliability data based on 292 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
292
Avg Mileage
43,575 mi
Est. Annual Cost
£1,350
Is the 2020 MERCEDES A 180 SE D 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 A 180 SE Ds from 2020 passed their MOT first time in 2024. That's based on 292 tests across the UK. The average mileage at this age is 43,575 miles.
How does the 2020 MERCEDES A 180 SE D compare?
Mileage Analysis
The average 2020 MERCEDES A 180 SE D has 43,575 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 A 180 SE D?
The most reliable year is the 2019 model with a 98% MOT pass rate, while the 2020 model has the lowest at 92%. Consider a different year if reliability is a priority.
How much does a 2020 MERCEDES A 180 SE 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 SE D by Year
Checking a specific MERCEDES A 180 SE D?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MERCEDES A 180 SE D
The 2020 MERCEDES A 180 SE D is a small family car with a 1461cc diesel engine. 292 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 43,575 miles at 4 years old, MERCEDES A 180 SE D owners cover more miles than the average driver.
2020 MERCEDES A 180 SE D Fuel Costs
The 1461cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES A 180 SE D?
Total estimated annual running cost is £1,350 (£113/month), broken down as £905 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 A 180 SE D Reliability Trend
Older MERCEDES A 180 SE Ds tend to have better MOT pass rates than newer ones, with an average decline of 5 percentage points across model years.
Buying a Used 2020 MERCEDES A 180 SE D
At 4 years old, the MERCEDES A 180 SE D offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 MERCEDES A 180 SE D
The MERCEDES A 180 SE D is actually the most reliable option among similar diesel small family cars from this era. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (-3%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-1%) from 89,588 tests
- MERCEDES A-CLASS (2018) 89% pass rate (-3%) from 81,134 tests
- VOLKSWAGEN POLO (2018) 84% pass rate (-8%) from 79,867 tests