2023 Mercedes-Benz C300 Convertible MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2023 Mercedes-Benz C300 Convertible.
The 2023 Mercedes-Benz C300 Convertible runs on premium gasoline and is in the Subcompact Cars car class.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2023 Mercedes-Benz C300 Convertible is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2023 Mercedes-Benz C300 Convertible Get?
First off, the most commonly asked question. A 2023 Mercedes-Benz C300 Convertible gets up to 21 miles per gallon in the city, and 29 miles per gallon on the highway.
The combined average MPG for the 2023 Mercedes-Benz C300 Convertible is 24 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2023 Mercedes-Benz C300 Convertible?
The estimated fuel costs for the 2023 Mercedes-Benz C300 Convertible is $2,650 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2023 Mercedes-Benz C300 Convertible to an average vehicle over 5 years, you will spend $4,250 more on fuel.
🛢 How Many Barrels of Petroleum Does a 2023 Mercedes-Benz C300 Convertible Consume?
The 2023 Mercedes-Benz C300 Convertible will consume roughly 12 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
💨 How Many Grams of CO2 Does a 2023 Mercedes-Benz C300 Convertible Emit?
For every mile driven, the 2023 Mercedes-Benz C300 Convertible will emit 370 grams of CO2, which is about 5,550,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 189 trees would be needed to offset emissions from the 2023 Mercedes-Benz C300 Convertible.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2023 Mercedes-Benz C300 Convertible.
| City MPG | 21 |
|---|---|
| Highway MPG | 29 |
| Combined MPG | 24 |
| Save/Spend vs Average Car | Spend $4,250 |
| Fuel Cost | $2,650 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 12 |
| Grams of CO2 | 5,550,000 |
| Trees Needed to Offset | 264 |
| Drive | Rear-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Automatic 9-spd |
| Vehicle Class | Subcompact Cars |
| Start/Stop? | Yes |
| Supercharged? | No |
| Turbocharged? | Yes |
Related Mercedes-Benz Models from 2023
If you're interested in other Mercedes-Benz models from 2023, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mercedes-benz/c300-convertible/2023">2023 Mercedes-Benz C300 Convertible MPG and Fuel Economy</a>
"2023 Mercedes-Benz C300 Convertible MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/mercedes-benz/c300-convertible/2023.
"2023 Mercedes-Benz C300 Convertible MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/c300-convertible/2023. Accessed December 27, 2025.
2023 Mercedes-Benz C300 Convertible MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/c300-convertible/2023.