2012 · Compact Car · Gas

2012 Mercedes-Benz CLS-Class MPG & fuel economy

The 2012 Mercedes-Benz CLS-Class is a compact car offered in 3 EPA-rated configurations. The most efficient version returns 20 MPG combined (17 city / 25 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 20 MPG. That's up 4 MPG from the 2011 model. Among 46 compact cars rated for 2012, it ranks 43rd for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,962 a year to fuel.

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Combined 20 MPG 17 MPG city · 25 MPG hwy
Driving range — not published for this model
Your fuel cost $2,962 15,000 mi/yr · $19.75 per 100 mi
Class rank, 2012 #43 of 46 Compact Cars by fuel cost

What will it cost you?

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

Fuel average

The 2012 Mercedes-Benz CLS-Class's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.6 km/L on the highway.

MPGkm/LL/100 km
City177.213.8
Highway2510.69.4
Combined208.511.8

How it ranks among 2012 Compact Cars

Full class ranking →
  1. 1Ford Focus EV105 MPGe $864
  2. 2Toyota Prius c50 MPG $930
  3. 3Honda Civic Hybrid44 MPG $1,057
  4. 4Lexus CT42 MPG $1,107
  5. 5Honda Insight41 MPG $1,134
  6. 43Mercedes-Benz CLS-Class20 MPG $2,962
  7. 46Rolls-Royce Phantom14 MPG $4,232
2012 CLS-ClassOther compact carsClass median: $1,691/yr

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

CLS-Class MPG across model years

Full history →

3 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 4.7L 8-cyl turbo · 7-speed automatic
CLS550		 Gas 17 MPG 25 MPG 20 MPG — $2,962
4WD · 4.7L 8-cyl turbo · 7-speed automatic
CLS550 4matic		 Gas 16 MPG 25 MPG 19 MPG — $3,118
RWD · 5.5L 8-cyl turbo · 7-speed automatic
CLS63 AMG		 Gas 16 MPG 25 MPG 19 MPG — $3,118

Specs (most efficient configuration)

Fuel
Premium gasoline
Engine / motor
4.7L 8-cyl turbo
Transmission
7-speed automatic
Drivetrain
RWD
Passenger volume
92 cu ft
Cargo volume
11 cu ft
Tailpipe CO₂
444 g/mi

2012 Mercedes-Benz CLS-Class vs. rivals

vs Audi S4 21 MPG · $2,821/yr S4 saves $141/yr vs Audi A4 25 MPG · $2,370/yr A4 saves $592/yr vs Acura TSX 25 MPG · $2,370/yr TSX saves $592/yr vs BMW 6 Series 26 MPG · $2,279/yr 6 Series saves $684/yr vs Volvo S60 23 MPG · $2,022/yr S60 saves $941/yr vs Mercedes-Benz CL-Class 18 MPG · $3,292/yr CLS-Class saves $329/yr vs Infiniti EX35 20 MPG · $2,962/yr Same fuel cost vs Bentley Continental 14 MPG · $4,232/yr CLS-Class saves $1,270/yr vs Rolls-Royce Phantom 14 MPG · $4,232/yr CLS-Class saves $1,270/yr

Compare the 2012 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 2012 Mercedes-Benz CLS-Class?

Up to 20 MPG combined (17 city / 25 highway); ratings range from 19 to 20 MPG depending on configuration.

What fuel does the 2012 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 2012 Mercedes-Benz CLS-Class?

The 2012 Mercedes-Benz CLS-Class's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.2 km/L in the city and 10.6 km/L on the highway.

How much does it cost to fuel the 2012 Mercedes-Benz CLS-Class per year?

About $2,962 at 15,000 miles a year with $3.95/gal premium gas, or $19.75 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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