In short
At 9–10 years (mostly built 2015–2017) 7.2% of 5,630 inspected Mercedes-Benz C-Klasse S205s had at least one A-problem at the APK, against 4.7% for all cars of the same age. Over all ages together an A-problem occurs 41% more often on this model than on average (rank 282 of 328 in the ranking). Most often it concerns control arms / ball joints, seat belts, seats and airbags and brakes — control arms / ball joints occurs 6.4× as often as on comparable cars.
Cite these figures
CarXray.nl (2026). Mercedes-Benz C-Klasse S205 — APK defects by age. Based on RDW Open Data, Oct 2025 – Sep 2026. https://carxray.nl/en/modellen/mercedes-benz/c-klasse-s205/
A-problems
7.2%
n = 5,630 · 95% CI 6.5 – 7.9%
National, same age
4.7%
n = 877,805 · 95% CI 4.6 – 4.7%
Defects at the APK by age
- Mercedes-Benz C-Klasse S205
- National, same age
- 95% confidence interval
| Age | Built (approx.) | n | A-problems | 95% CI | All defects | National A |
|---|---|---|---|---|---|---|
| 3 – 4 years | 2021–2023 | 101 | insufficient | 1.3% | ||
| 5 – 6 years | 2019–2021 | 1,519 | 1.3% | 0.8 – 1.9% | 20.9% | 1.9% |
| 7 – 8 years | 2017–2019 | 3,227 | 4.5% | 3.8 – 5.2% | 23.5% | 3.1% |
| 9 – 10 years | 2015–2017 | 5,630 | 7.2% | 6.5 – 7.9% | 28.3% | 4.7% |
| 11 – 12 years | 2013–2015 | 759 | 8.3% | 6.5 – 10.5% | 32.0% | 7.2% |
| 13 – 15 years | 2010–2013 | — | insufficient | 10.6% | ||
| 16+ years | 2010 or older | — | insufficient | 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 | 5.5% · n = 5,630 · 4.9 – 6.1% | 6.4× | |
| Seat belts, seats and airbags | 0.5% · n = 5,630 · 0.3 – 0.7% | 1.0× | |
| Brakes | 0.4% · n = 5,630 · 0.3 – 0.6% | 0.2× | |
| Springs and shock absorbers | 0.4% · n = 5,630 · 0.2 – 0.5% | 0.4× | |
| Leaks | 0.2% · n = 5,630 · 0.1 – 0.4% | 9.3× |
Open recalls
Check the status of this specific car.
About this generation
- Production years
- 2015 – 2023
- RDW type code(s)
- 204 K
- Trade name(s)
- C
- Registered (type group)
- 5,370
- Generation boundary
- Draft, being checked
See other C generations Similar models
Same type of car and era, at 9–10 years. C-Klasse S205: 7.2% A-problems.
Mazda Mazda3 (BM/BN)2014–20198.9%Compare C-Klasse S205 vs Mazda3 (BM/BN)
Hyundai i30 II2012–20184.8%Compare C-Klasse S205 vs i30 II
BMW 2-serie Active Tourer F452016–20221.2%Compare C-Klasse S205 vs 2-serie Active Tourer F45
Opel Astra J Sports Tourer / GTC2010–20194.0%Compare C-Klasse S205 vs Astra J Sports Tourer / GTC
Frequently asked questions
Is the Mercedes-Benz C reliable?
The APK tells you about defects, not breakdowns. At 9–10 years 7.2% of inspected Mercedes-Benz C-Klasse S205s had at least one A-problem (structure, safety or costly mechanics), against 4.7% nationally at the same age. The maintenance of the specific car matters more than the model.
How does the Mercedes-Benz C-Klasse S205 compare with other cars?
Over all ages together an A-problem occurs 41% more often on the Mercedes-Benz C-Klasse S205 than on cars of the same age. That puts it at rank 282 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 9–10 years were then mostly built in 2015–2017. 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, seat belts, seats and airbags, 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 C-Klasse S205.