Where each one leads
Mercedes-Benz C-Class
- Against cars of the same year, the Mercedes-Benz C-Class comes out better in New York safety inspections (fails 38% less often than average) than the Volvo S80 (fails 12% less often than average).
Volvo S80
- Against cars of the same age, the Volvo S80 comes out better at its first MOT test (passes 12% more often than average) than the Mercedes-Benz C-Class (passes 1% more often than average).
- Fewer Volvo S80 cars in the Netherlands carry an illogical odometer record (4.0% against 4.5%).
Only measures that do not depend on how many cars were sold: pass and failure rates against cars of the same age, ratings, fuel use and CO₂. How we compare
At a glance
| Mercedes-Benz C-Class | Volvo S80 | |
|---|---|---|
| Model years in the US safety record | 1991–2012 | 1993–2016 |
| New cars registered in Europe | 1,573,424 (2010–2022) | 23,600 (2010–2021) |
| Licensed in the United Kingdom | 342,811 | 5,768 |
| On the road in the Netherlands | 78,492 | 5,461 |
| In traffic in Finland | 49,488 | 8,787 |
EEA new-car registrations (CC BY 4.0) · DVLA licensed vehicles (OGL v3.0) · RDW (CC0) · Traficom (CC BY 4.0) · generations: Wikidata (CC0).
Reliability and problems
| Mercedes-Benz C-Class | Volvo S80 | |
|---|---|---|
| UK MOT first-time pass rate | 80% | 69% |
| … against cars of the same age | +1% | +12% |
| New York safety inspections failed | 1.1% | 2.1% |
| … against cars of the same year | −38% | −12% |
| Illogical odometer records (NL) | 4.5% | 4.0% |
| US owner complaints | 192 | 954 |
| Most complaints about | Electrical system | Vehicle speed control |
| Model year with most complaints | 1995 (49) | 2000 (318) |
| US recall campaigns | 6 | 27 |
| Manufacturer service bulletins | 73 | 4,170 |
| NHTSA defect investigations | 11 | 6 |
Complaint, recall and bulletin counts grow with the number of cars sold and are not adjusted for it. UK MOT: DVSA anonymised MOT results (OGL v3.0); New York: DMV inspections; complaints, recalls, bulletins and investigations: NHTSA (public domain); odometer: RDW (CC0).
Safety
| Mercedes-Benz C-Class | Volvo S80 | |
|---|---|---|
| NHTSA overall rating | 5★ (2021) | — |
NHTSA New Car Assessment Program, most recent rated model year (public domain).
Fuel, emissions and price
| Mercedes-Benz C-Class | Volvo S80 | |
|---|---|---|
| Official combined fuel use, Canada | — | 8.3 l/100 km (2016) |
| Real-world use in Europe, diesel hybrid | 6.0 l/100 km | — |
| Real-world use in Europe, petrol hybrid | 8.5 l/100 km | — |
| Real-world use in Europe, diesel | 6.3 l/100 km | — |
| Real-world use in Europe, petrol | 10.9 l/100 km | — |
| Official CO₂ of new cars in Europe | 116 g/km | — |
| Average power of new cars in Europe | 152 kW (203 hp) | — |
| Average mass in running order | 1,818 kg | 1,791 kg |
| Dutch list price when new (median) | €54,166 | €54,360 |
| Average odometer in Finland | 248,000 km | 336,000 km |
Canada: NRCan Fuel Consumption Ratings, most frugal version of the latest year (OGL Canada). Europe: EEA monitoring of new-car CO₂ and on-board fuel meters (OBFCM), CC BY 4.0. Price: RDW catalogue price (CC0). Finland: Traficom (CC BY 4.0).