MERCEDES B (2019)
Running costs, common problems, and reliability data based on 6,624 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
6,624
Avg Mileage
30,255 mi
Est. Annual Cost
£1,582
Is the 2019 MERCEDES B reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 5 years old, 93% of MERCEDES Bs from 2019 passed their MOT first time in 2024. That's based on 6,624 tests across the UK. The average mileage at this age is 30,255 miles.
How does the 2019 MERCEDES B compare?
Mileage Analysis
The average 2019 MERCEDES B has 30,255 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES B?
The most reliable year is the 2021 model with a 95% MOT pass rate, while the 2018 model has the lowest at 91%. The 2019 sits between the two at 93%.
How much does a 2019 MERCEDES B 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 B by Year
Checking a specific MERCEDES B?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2019 MERCEDES B
The 2019 MERCEDES B is a small family car with a 1332cc petrol engine. 6,624 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2019, the average MOT pass rate is 90%, and this model beats that benchmark.
With an average of 30,255 miles at 5 years old, MERCEDES B owners drive about as much as the UK average.
2019 MERCEDES B 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 2019 MERCEDES B?
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 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES B Reliability Trend
The MERCEDES B has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2019 MERCEDES B
At 5 years old, the MERCEDES B 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 95%. With 6,624 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2019 MERCEDES B
The MERCEDES B 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 (-3%) from 157,746 tests
- FORD FOCUS (2017) 89% pass rate (-4%) from 109,241 tests
- NISSAN QASHQAI (2017) 86% pass rate (-7%) from 100,176 tests
- VAUXHALL CORSA (2017) 82% pass rate (-11%) from 90,285 tests