In short
At 11–12 years (mostly built 2013–2015) 8.4% of 1,296 inspected Mercedes-Benz C-Klasse S204s had at least one A-problem at the APK, against 7.2% for all cars of the same age. Over all ages together an A-problem occurs 26% more often on this model than on average (rank 260 of 328 in the ranking). Most often it concerns brakes, control arms / ball joints and springs and shock absorbers.
Cite these figures
CarXray.nl (2026). Mercedes-Benz C-Klasse S204 — APK defects by age. Based on RDW Open Data, Oct 2025 – Sep 2026. https://carxray.nl/en/modellen/mercedes-benz/c-klasse-s204/
A-problems
8.4%
n = 1,296 · 95% CI 7.0 – 10.0%
National, same age
7.2%
n = 782,549 · 95% CI 7.1 – 7.2%
Defects at the APK by age
- Mercedes-Benz C-Klasse S204
- 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 | 75 | insufficient | 4.7% | ||
| 11 – 12 years | 2013–2015 | 1,296 | 8.4% | 7.0 – 10.0% | 30.6% | 7.2% |
| 13 – 15 years | 2010–2013 | 3,530 | 13.7% | 12.6 – 14.8% | 37.7% | 10.6% |
| 16+ years | 2010 or older | 1,859 | 19.0% | 17.3 – 20.9% | 46.5% | 15.3% |
Weak spots
What to check extra on this generation.
| Point to check | Share · sample · 95% CI | Vs. same class | |
|---|---|---|---|
| Brakes | 3.3% · n = 1,296 · 2.5 – 4.4% | 1.2× | |
| Control arms / ball joints | 2.6% · n = 1,296 · 1.9 – 3.6% | 2.1× | |
| Springs and shock absorbers | 0.7% · n = 1,296 · 0.4 – 1.3% | 0.5× | |
| Exhaust and emissions | 0.5% · n = 1,296 · 0.3 – 1.1% | 1.3× | |
| Wheels and wheel bearings | 0.5% · n = 1,296 · 0.2 – 1.0% | 4.1× | |
| Structural rust | 0.4% · n = 1,296 · 0.2 – 0.9% | 2.5× | |
| Brake lines | 0.4% · n = 1,296 · 0.2 – 0.9% | 1.6× |
Open recalls
Check the status of this specific car.
About this generation
- Production years
- 2007 – 2014
- 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 11–12 years. C-Klasse S204: 8.4% A-problems.
Frequently asked questions
Is the Mercedes-Benz C reliable?
The APK tells you about defects, not breakdowns. At 11–12 years 8.4% of inspected Mercedes-Benz C-Klasse S204s had at least one A-problem (structure, safety or costly mechanics), against 7.2% nationally at the same age. The maintenance of the specific car matters more than the model.
How does the Mercedes-Benz C-Klasse S204 compare with other cars?
Over all ages together an A-problem occurs 26% more often on the Mercedes-Benz C-Klasse S204 than on cars of the same age. That puts it at rank 260 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 11–12 years were then mostly built in 2013–2015. 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 brakes, control arms / ball joints, springs and shock absorbers. 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 S204.