Where each one leads
Mercedes-Benz GLC
- Against cars of the same age, the Mercedes-Benz GLC comes out better at its first MOT test (passes 5% more often than average) than the Volvo XC90 (passes 2% more often than average).
- Fewer Mercedes-Benz GLC cars in the Netherlands carry an illogical odometer record (2.4% against 5.2%).
- Measured by the cars' own fuel meters, the diesel hybrid Mercedes-Benz GLC uses 6.6 l/100 km on the road, the Volvo XC90 8.3.
- Measured by the cars' own fuel meters, the diesel Mercedes-Benz GLC uses 7.6 l/100 km on the road, the Volvo XC90 8.4.
- Measured by the cars' own fuel meters, the petrol hybrid Mercedes-Benz GLC uses 9.5 l/100 km on the road, the Volvo XC90 10.6.
Volvo XC90
- New Volvo XC90 cars registered in Europe in 2022 average 102 g/km of CO₂ on the WLTP test, against 129 for the Mercedes-Benz GLC in 2022.
Too close to call: NHTSA overall safety rating.
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 GLC | Volvo XC90 | |
|---|---|---|
| Model years in the US safety record | 2015–2023 | 2003–2025 |
| New cars registered in Europe | 640,588 (2015–2022) | 244,724 (2010–2022) |
| Licensed in the United Kingdom | 98,346 | 93,504 |
| On the road in the Netherlands | 25,833 | 32,495 |
| In traffic in Finland | 12,123 | 218 |
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 GLC | Volvo XC90 | |
|---|---|---|
| UK MOT first-time pass rate | 88% | 72% |
| … against cars of the same age | +5% | +2% |
| New York safety inspections failed | — | 0.8% |
| … against cars of the same year | — | −32% |
| Illogical odometer records (NL) | 2.4% | 5.2% |
| US owner complaints | 24 | 1,534 |
| Most complaints about | Service brakes | Electrical system |
| Model year with most complaints | 2017 (13) | 2004 (462) |
| US recall campaigns | — | 35 |
| Manufacturer service bulletins | 273 | 5,739 |
| NHTSA defect investigations | 2 | 14 |
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 GLC | Volvo XC90 | |
|---|---|---|
| NHTSA overall rating | 5★ (2021) | 5★ (2027) |
NHTSA New Car Assessment Program, most recent rated model year (public domain).
Fuel, emissions and price
| Mercedes-Benz GLC | Volvo XC90 | |
|---|---|---|
| Official combined fuel use, Canada | — | 10.4 l/100 km (2026) |
| Real-world use in Europe, diesel hybrid | 6.6 l/100 km | 8.3 l/100 km |
| Real-world use in Europe, diesel | 7.6 l/100 km | 8.4 l/100 km |
| Real-world use in Europe, petrol hybrid | 9.5 l/100 km | 10.6 l/100 km |
| Real-world use in Europe, petrol | 13.1 l/100 km | — |
| Official CO₂ of new cars in Europe | 129 g/km | 102 g/km |
| Average power of new cars in Europe | 156 kW (209 hp) | 205 kW (275 hp) |
| Average mass in running order | 1,960 kg | 2,239 kg |
| Dutch list price when new (median) | €77,065 | €88,925 |
| Average odometer in Finland | 123,000 km | 258,000 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).
