2023 Mercedes-Benz C300 Coupe 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 Coupe.

The 2023 Mercedes-Benz C300 Coupe 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 Coupe is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2023 Mercedes-Benz C300 Coupe Get?

First off, the most commonly asked question. A 2023 Mercedes-Benz C300 Coupe gets up to 22 miles per gallon in the city, and 31 miles per gallon on the highway.

The combined average MPG for the 2023 Mercedes-Benz C300 Coupe is 25 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2023 Mercedes-Benz C300 Coupe?

The estimated fuel costs for the 2023 Mercedes-Benz C300 Coupe is $2,550 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 Coupe to an average vehicle over 5 years, you will spend $3,750 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2023 Mercedes-Benz C300 Coupe Consume?

The 2023 Mercedes-Benz C300 Coupe 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 Coupe Emit?

For every mile driven, the 2023 Mercedes-Benz C300 Coupe will emit 351 grams of CO2, which is about 5,265,000 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 180 trees would be needed to offset emissions from the 2023 Mercedes-Benz C300 Coupe.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2023 Mercedes-Benz C300 Coupe.

City MPG22
Highway MPG31
Combined MPG25
Save/Spend vs Average CarSpend $3,750
Fuel Cost$2,550
Fuel Type 1Premium
Barrels of Petroleum12
Grams of CO25,265,000
Trees Needed to Offset251
DriveRear-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic 9-spd
Vehicle ClassSubcompact 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.

  • "2023 Mercedes-Benz C300 Coupe MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/mercedes-benz/c300-coupe/2023.

  • "2023 Mercedes-Benz C300 Coupe MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/c300-coupe/2023. Accessed December 27, 2025.

  • 2023 Mercedes-Benz C300 Coupe MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/c300-coupe/2023.