Where each one leads
Mercedes-Benz CLS
- Against cars of the same age, the Mercedes-Benz CLS comes out better at its first MOT test (passes 9% more often than average) than the Volvo V90 (passes 1% more often than average).
Volvo V90
- On Canada's official test the most frugal 2026 Volvo V90 uses 9.3 l/100 km, the 2015 Mercedes-Benz CLS 13.1.
- New Volvo V90 cars registered in Europe in 2022 average 101 g/km of CO₂ on the WLTP test, against 199 for the Mercedes-Benz CLS in 2022.
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 CLS | Volvo V90 | |
|---|---|---|
| Model years in the US safety record | 2006–2012 | 1985–2024 |
| New cars registered in Europe | 2,712 (2011–2022) | 158,767 (2012–2022) |
| Licensed in the United Kingdom | — | 17,825 |
| On the road in the Netherlands | — | 9,428 |
| In traffic in Finland | — | 14,097 |
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 CLS | Volvo V90 | |
|---|---|---|
| UK MOT first-time pass rate | 75% | 85% |
| … against cars of the same age | +9% | +1% |
| New York safety inspections failed | — | 1.0% |
| … against cars of the same year | — | −26% |
| Illogical odometer records (NL) | — | 2.4% |
| US owner complaints | 5 | 17 |
| Most complaints about | Fuel system, gasoline | Exterior lighting |
| Model year with most complaints | 2006 (3) | 1998 (10) |
| US recall campaigns | 1 | 8 |
| Manufacturer service bulletins | 64 | 2,118 |
| NHTSA defect investigations | 5 | 3 |
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).
Fuel, emissions and price
| Mercedes-Benz CLS | Volvo V90 | |
|---|---|---|
| Official combined fuel use, Canada | 13.1 l/100 km (2015) | 9.3 l/100 km (2026) |
| Real-world use in Europe, diesel hybrid | — | 6.7 l/100 km |
| Real-world use in Europe, petrol hybrid | — | 8.7 l/100 km |
| Real-world use in Europe, diesel | — | 7.6 l/100 km |
| Official CO₂ of new cars in Europe | 199 g/km | 101 g/km |
| Average power of new cars in Europe | 249 kW (334 hp) | 172 kW (231 hp) |
| Average mass in running order | 1,926 kg | 2,003 kg |
| Dutch list price when new (median) | — | €71,748 |
| Average odometer in Finland | — | 181,000 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).