2015 · Compact Car · Gas

2015 Mercedes-Benz CLS-Class MPG & fuel economy

The 2015 Mercedes-Benz CLS-Class is a compact car offered in 5 EPA-rated configurations. The most efficient version returns 24 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 24 MPG. That's up 4 MPG from the 2014 model. Among 52 compact cars rated for 2015, it ranks 47th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.

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Combined 24 MPG 20 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,469 15,000 mi/yr · $16.46 per 100 mi

Class rank, 2015 #47 of 52 Compact 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 2015 Mercedes-Benz CLS-Class's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	20	8.5	11.8
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 2015 Compact Cars

Full class ranking →

1Volkswagen Golf/GTI EV116 MPGe $788
2Ford Focus EV105 MPGe $864
3Toyota Prius c50 MPG $930
4Honda Civic Hybrid44 MPG $1,057
5Lexus CT42 MPG $1,107
···
47Mercedes-Benz CLS-Class24 MPG $2,469
···
52Rolls-Royce Phantom14 MPG $4,232

2015 CLS-ClassOther compact carsClass median: $1,603/yr

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

CLS-Class MPG across model years

Full history →

5 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 3.0L 6-cyl turbo · 7-speed automatic CLS400	Gas	20 MPG	29 MPG	24 MPG	—	$2,469
4WD · 3.0L 6-cyl turbo · 7-speed automatic CLS400 4matic	Gas	19 MPG	26 MPG	22 MPG	—	$2,693
RWD · 4.7L 8-cyl turbo · 9-speed automatic CLS550	Gas	18 MPG	26 MPG	20 MPG	—	$2,962
4WD · 4.7L 8-cyl turbo · 7-speed automatic CLS550 4matic	Gas	17 MPG	24 MPG	19 MPG	—	$3,118
4WD · 5.5L 8-cyl turbo · 7-speed automatic CLS63 AMG S 4matic	Gas	16 MPG	22 MPG	18 MPG	—	$3,292

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.0L 6-cyl turbo
Transmission: 7-speed automatic
Drivetrain: RWD
Passenger volume: 92 cu ft
Cargo volume: 11 cu ft
Tailpipe CO₂: 377 g/mi
EPA fuel economy score: 6/10
EPA greenhouse gas score: 6/10

2015 Mercedes-Benz CLS-Class vs. rivals

vs Lexus IS 24 MPG · $2,469/yr Same fuel cost vs Audi A4 26 MPG · $2,279/yr A4 saves $190/yr vs BMW 4 Series 27 MPG · $2,194/yr 4 Series saves $274/yr vs Acura TLX 28 MPG · $2,116/yr TLX saves $353/yr vs Audi S4 21 MPG · $2,821/yr CLS-Class saves $353/yr vs Audi Q3 23 MPG · $2,576/yr CLS-Class saves $107/yr vs Bentley Continental 18 MPG · $3,292/yr CLS-Class saves $823/yr vs Rolls-Royce Phantom 14 MPG · $4,232/yr CLS-Class saves $1,763/yr

Compare the 2015 CLS-Class

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

Frequently asked questions

What is the gas mileage of the 2015 Mercedes-Benz CLS-Class?

Up to 24 MPG combined (20 city / 29 highway); ratings range from 18 to 24 MPG depending on configuration.

What fuel does the 2015 Mercedes-Benz CLS-Class use?

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

What is the fuel average in km/L for the 2015 Mercedes-Benz CLS-Class?