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Cars › Mercedes-Benz › C Class › 2021
2021 Mercedes-Benz C Class fuel consumption
9 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
7.0–10.0 L/100km
lower is better
Cost to run a year
$1,970–$2,814
at 14,000km
CO₂ from the exhaust
159–227 g/km
per kilometre
Uses 11% less fuel than the typical 2021 car, which averaged 7.9 L/100km.
Every 2021 Mercedes-Benz C Class version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| C200 Coupe Auto | 2L 4cyl Turbo Petrol 95RON | 7.0 | 9.6 | 5.5 | $1,970 | 159 Slightly better than average |
| C300 Coupe Auto | 2L 4cyl Turbo Petrol 95RON | 7.0 | 9.6 | 5.5 | $1,970 | 159 Slightly better than average |
| C300 Sedan Auto | 2L 4cyl Turbo Petrol 95RON | 7.1 | 9.7 | 5.5 | $1,998 | 161 Slightly better than average |
| C300 AMG Line Plus Edition Sedan Auto | 2L 4cyl Petrol 95RON | 7.1 | 9.7 | 5.5 | $1,998 | 161 Slightly better than average |
| C300 Sedan Auto | 2L 4cyl Turbo Petrol 95RON | 7.3 | 10.4 | 5.3 | $2,054 | 164 Slightly better than average |
| C200 Convertible Auto | 2L 4cyl Turbo Petrol 95RON | 7.6 | 10.1 | 6.0 | $2,139 | 171 Slightly better than average |
| C300 Convertible Auto | 2L 4cyl Turbo Petrol 95RON | 7.6 | 10.1 | 6.0 | $2,139 | 171 Slightly better than average |
| C43 AMG Coupe Auto | 3L 6cyl Turbo Petrol 95RON | 9.5 | 13.3 | 7.3 | $2,673 | 217 Slightly worse than average |
| C43 AMG Convertible Auto | 3L 6cyl Turbo Petrol 95RON | 10.0 | 13.6 | 7.9 | $2,814 | 227 Worse than average |
Mercedes-Benz C Class in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.