Where each one leads
Mercedes-Benz E-Class
- Against cars of the same year, the Mercedes-Benz E-Class comes out better in New York safety inspections (fails 46% less often than average) than the Volvo S90 (fails 26% less often than average).
- Measured by the cars' own fuel meters, the diesel hybrid Mercedes-Benz E-Class uses 6.5 l/100 km on the road, the Volvo S90 7.1.
Volvo S90
- Against cars of the same age, the Volvo S90 comes out better at its first MOT test (passes 4% more often than average) than the Mercedes-Benz E-Class (passes 2% less often than average).
- Fewer Volvo S90 cars in the Netherlands carry an illogical odometer record (1.4% against 6.3%).
- Measured by the cars' own fuel meters, the petrol hybrid Volvo S90 uses 8.5 l/100 km on the road, the Mercedes-Benz E-Class 9.6.
Too close to call: official CO₂ of new cars in Europe (g/km).
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 E-Class | Volvo S90 | |
|---|---|---|
| Model years in the US safety record | 1992–2008 | 1991–2025 |
| New cars registered in Europe | 1,118,006 (2010–2022) | 36,779 (2016–2022) |
| Licensed in the United Kingdom | 213,126 | 7,535 |
| On the road in the Netherlands | 41,701 | 1,987 |
| In traffic in Finland | 42,654 | 3,514 |
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 E-Class | Volvo S90 | |
|---|---|---|
| UK MOT first-time pass rate | 86% | 88% |
| … against cars of the same age | −2% | +4% |
| New York safety inspections failed | 1.0% | 1.0% |
| … against cars of the same year | −46% | −26% |
| Illogical odometer records (NL) | 6.3% | 1.4% |
| US owner complaints | 298 | 69 |
| Most complaints about | Electrical system | Unknown or other |
| Model year with most complaints | 2003 (45) | 1998 (25) |
| US recall campaigns | 9 | 13 |
| Manufacturer service bulletins | 139 | 2,421 |
| NHTSA defect investigations | 14 | 8 |
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 E-Class | Volvo S90 | |
|---|---|---|
| NHTSA overall rating | 5★ (2023) | — |
NHTSA New Car Assessment Program, most recent rated model year (public domain).
Fuel, emissions and price
| Mercedes-Benz E-Class | Volvo S90 | |
|---|---|---|
| Official combined fuel use, Canada | — | 9.2 l/100 km (2025) |
| Real-world use in Europe, diesel hybrid | 6.5 l/100 km | 7.1 l/100 km |
| Real-world use in Europe, diesel | 6.7 l/100 km | — |
| Real-world use in Europe, petrol hybrid | 9.6 l/100 km | 8.5 l/100 km |
| Real-world use in Europe, petrol | 14.7 l/100 km | — |
| Official CO₂ of new cars in Europe | 121 g/km | 120 g/km |
| Average power of new cars in Europe | 167 kW (224 hp) | 185 kW (249 hp) |
| Average mass in running order | 1,970 kg | 1,953 kg |
| Dutch list price when new (median) | €72,621 | €71,240 |
| Average odometer in Finland | 294,000 km | 170,000 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).