In short
At 13–15 years (mostly built 2010–2013) 12.4% of 3,519 inspected Mercedes-Benz B-Klasse W245s had at least one A-problem at the APK, against 10.6% for all cars of the same age. Over all ages together an A-problem occurs 13% more often on this model than on average (rank 241 of 328 in the ranking). Most often it concerns control arms / ball joints, springs and shock absorbers and brakes — control arms / ball joints occurs 2.3× as often as on comparable cars.
Cite these figures
CarXray.nl (2026). Mercedes-Benz B-Klasse W245 — APK defects by age. Based on RDW Open Data, Oct 2025 – Sep 2026. https://carxray.nl/en/modellen/mercedes-benz/b-klasse-w245/
A-problems
12.4%
n = 3,519 · 95% CI 11.4 – 13.5%
National, same age
10.6%
n = 1,277,358 · 95% CI 10.6 – 10.7%
Defects at the APK by age
- Mercedes-Benz B-Klasse W245
- National, same age
- 95% confidence interval
| Age | Built (approx.) | n | A-problems | 95% CI | All defects | National A |
|---|---|---|---|---|---|---|
| 3 – 4 years | 2021–2023 | — | insufficient | 1.3% | ||
| 5 – 6 years | 2019–2021 | — | insufficient | 1.9% | ||
| 7 – 8 years | 2017–2019 | — | insufficient | 3.1% | ||
| 9 – 10 years | 2015–2017 | — | insufficient | 4.7% | ||
| 11 – 12 years | 2013–2015 | 1 | insufficient | 7.2% | ||
| 13 – 15 years | 2010–2013 | 3,519 | 12.4% | 11.4 – 13.5% | 45.2% | 10.6% |
| 16+ years | 2010 or older | 10,402 | 17.1% | 16.4 – 17.8% | 50.9% | 15.3% |
Weak spots
What to check extra on this generation.
| Point to check | Share · sample · 95% CI | Vs. same class | |
|---|---|---|---|
| Control arms / ball joints | 4.5% · n = 3,519 · 3.9 – 5.3% | 2.3× | |
| Springs and shock absorbers | 4.4% · n = 3,519 · 3.7 – 5.1% | 1.9× | |
| Brakes | 2.3% · n = 3,519 · 1.9 – 2.9% | 0.6× | |
| Brake lines | 1.8% · n = 3,519 · 1.4 – 2.3% | 3.1× | |
| Seat belts, seats and airbags | 0.7% · n = 3,519 · 0.5 – 1.0% | 1.3× |
Open recalls
Check the status of this specific car.
About this generation
- Production years
- 2005 – 2014
- RDW type code(s)
- 245
- Trade name(s)
- B
- Registered (type group)
- 5,406
- Generation boundary
- Draft, being checked
See other B generations Similar models
Same type of car and era, at 13–15 years. B-Klasse W245: 12.4% A-problems.
Frequently asked questions
Is the Mercedes-Benz B reliable?
The APK tells you about defects, not breakdowns. At 13–15 years 12.4% of inspected Mercedes-Benz B-Klasse W245s had at least one A-problem (structure, safety or costly mechanics), against 10.6% nationally at the same age. The maintenance of the specific car matters more than the model.
How does the Mercedes-Benz B-Klasse W245 compare with other cars?
Over all ages together an A-problem occurs 13% more often on the Mercedes-Benz B-Klasse W245 than on cars of the same age. That puts it at rank 241 of 328 models in the CarXray ranking.
Which model years do these figures cover?
The inspections run from 2025-10 to 2026-09. Cars aged 13–15 years were then mostly built in 2010–2013. The data table shows the build years per age class.
What are the most common problems?
The most common A-problems at the APK are control arms / ball joints, springs and shock absorbers, brakes. See the weak spots above and take them into your checklist.
Take these insights to the viewing
Use our checklist and focus on the key points for this Mercedes-Benz B-Klasse W245.