2023 · Subcompact Car · Gas

2023 Mercedes-Benz C-Class MPG & fuel economy

The 2023 Mercedes-Benz C-Class is a subcompact car offered in 7 EPA-rated configurations. The most efficient version returns 25 MPG combined (22 city / 31 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 25 MPG. Efficiency is unchanged from the 2022 model. Among 31 subcompact cars rated for 2023, it ranks 15th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel.

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Combined 25 MPG 22 MPG city · 31 MPG hwy

Driving range — not published for this model

Your fuel cost $2,370 15,000 mi/yr · $15.80 per 100 mi

Class rank, 2023 #15 of 31 Subcompact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2023 Mercedes-Benz C-Class's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.4 km/L in the city and 13.2 km/L on the highway.

	MPG	km/L	L/100 km
City	22	9.4	10.7
Highway	31	13.2	7.6
Combined	25	10.6	9.4

How it ranks among 2023 Subcompact Cars

Full class ranking →

1BMW i4113 MPGe $805
2MINI Cooper EV110 MPGe $829
3Audi A3 Hybrid32 MPG $1,453
4MINI Cooper32 MPG $1,852
5Ford Mustang25 MPG $1,860
···
15Mercedes-Benz C-Class25 MPG $2,370
···
31Mercedes-Benz SL-Class16 MPG $3,703

2023 C-ClassOther subcompact carsClass median: $2,370/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

C-Class MPG across model years

Full history →

7 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 2.0L 4-cyl turbo · 9-speed automatic C300 Coupe	Gas	22 MPG	31 MPG	25 MPG	—	$2,370
AWD · 2.0L 4-cyl turbo · 9-speed automatic C300 4matic Coupe	Gas	22 MPG	31 MPG	25 MPG	—	$2,370
AWD · 2.0L 4-cyl turbo · 9-speed automatic C300 4matic Convertible	Gas	21 MPG	30 MPG	25 MPG	—	$2,370
RWD · 2.0L 4-cyl turbo · 9-speed automatic C300 Convertible	Gas	21 MPG	29 MPG	24 MPG	—	$2,469
AWD · 3.0L 6-cyl turbo · 9-speed automatic AMG C43 4matic Convertible	Gas	18 MPG	28 MPG	22 MPG	—	$2,693
AWD · 3.0L 6-cyl turbo · 9-speed automatic AMG C43 4matic Coupe	Gas	18 MPG	27 MPG	21 MPG	—	$2,821
RWD · 4.0L 8-cyl turbo · 9-speed automatic AMG C63 S Convertible	Gas	16 MPG	24 MPG	19 MPG	—	$3,118

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 2.0L 4-cyl turbo
Transmission: 9-speed automatic
Drivetrain: RWD
Passenger volume: 79 cu ft
Cargo volume: 10 cu ft
Tailpipe CO₂: 351 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2023 Mercedes-Benz C-Class vs. rivals

vs BMW 8 Series 24 MPG · $2,469/yr C-Class saves $99/yr vs Lexus RC 25 MPG · $2,370/yr Same fuel cost vs Audi TTS Coupe 26 MPG · $2,279/yr TTS Coupe saves $91/yr vs Audi S5 24 MPG · $2,469/yr C-Class saves $99/yr vs Audi S3 26 MPG · $2,279/yr S3 saves $91/yr vs BMW 4 Series Hybrid 27 MPG · $2,194/yr 4 Series Hybrid saves $176/yr vs Audi RS 23 MPG · $2,576/yr C-Class saves $206/yr vs Porsche 911 21 MPG · $2,821/yr C-Class saves $451/yr vs Mercedes-Benz C-Class Hybrid 29 MPG · $2,043/yr C-Class Hybrid saves $327/yr

Compare the 2023 C-Class

With any other car from any year, including other C-Class model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2023 Mercedes-Benz C-Class Hybrid (29 MPG)

Frequently asked questions

What is the gas mileage of the 2023 Mercedes-Benz C-Class?

Up to 25 MPG combined (22 city / 31 highway); ratings range from 19 to 25 MPG depending on configuration.

What fuel does the 2023 Mercedes-Benz C-Class use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2023 Mercedes-Benz C-Class?