2012 · Subcompact Car · Gas / Flex-fuel

2012 Mercedes-Benz E-Class MPG & fuel economy

The 2012 Mercedes-Benz E-Class is a subcompact car offered in 12 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 30 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 23 MPG. That's up 3 MPG from the 2011 model. Among 36 subcompact cars rated for 2012, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.

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Combined 23 MPG 20 MPG city · 30 MPG hwy

Driving range — not published for this model

Your fuel cost $2,576 15,000 mi/yr · $17.17 per 100 mi

Class rank, 2012 #19 of 36 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 2012 Mercedes-Benz E-Class's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.8 km/L on the highway.

	MPG	km/L	L/100 km
City	20	8.5	11.8
Highway	30	12.8	7.8
Combined	23	9.8	10.2

How it ranks among 2012 Subcompact Cars

Full class ranking →

1Mitsubishi i-MiEV112 MPGe $810
2CODA Automotive Coda73 MPGe $1,242
3Scion iQ37 MPG $1,257
4Ford Fiesta32 MPG $1,453
5Scion xD29 MPG $1,603
···
19Mercedes-Benz E-Class23 MPG $2,576
···
36Bentley Continental Supersports Convertible14 MPG $4,232

2012 E-ClassOther subcompact carsClass median: $2,522/yr

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

E-Class MPG across model years

Full history →

12 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 3.5L 6-cyl · 7-speed automatic E350	Gas	20 MPG	30 MPG	23 MPG	—	$2,576
RWD · 3.5L 6-cyl · 7-speed automatic E350 Coupe	Flex-fuel	20 MPG	28 MPG	23 MPG	—	$2,576
RWD · 3.5L 6-cyl · 7-speed automatic E350 Coupe	Gas	19 MPG	28 MPG	22 MPG	—	$2,693
4WD · 3.5L 6-cyl · 7-speed automatic E350 4matic	Gas	19 MPG	28 MPG	22 MPG	—	$2,693
4WD · 3.5L 6-cyl · 7-speed automatic E350 4matic (wagon)	Gas	19 MPG	27 MPG	22 MPG	—	$2,693
RWD · 3.5L 6-cyl · 7-speed automatic E350 Convertible	Flex-fuel	19 MPG	28 MPG	22 MPG	—	$2,693
4WD · 3.5L 6-cyl · 7-speed automatic E350 4matic Coupe	Flex-fuel	19 MPG	27 MPG	22 MPG	—	$2,693
RWD · 4.7L 8-cyl turbo · 7-speed automatic E550 Coupe	Gas	17 MPG	27 MPG	21 MPG	—	$2,821
4WD · 4.7L 8-cyl turbo · 7-speed automatic E550 4matic	Gas	16 MPG	26 MPG	20 MPG	—	$2,962
RWD · 4.7L 8-cyl turbo · 7-speed automatic E550 Convertible	Gas	16 MPG	25 MPG	19 MPG	—	$3,118
RWD · 5.5L 8-cyl turbo · 7-speed automatic E63 AMG	Gas	16 MPG	24 MPG	19 MPG	—	$3,118
RWD · 5.5L 8-cyl turbo · 7-speed automatic E63 AMG (wagon)	Gas	15 MPG	23 MPG	18 MPG	—	$3,292

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.5L 6-cyl
Transmission: 7-speed automatic
Drivetrain: RWD
Passenger volume: 98 cu ft
Cargo volume: 13 cu ft
Tailpipe CO₂: 386 g/mi

2012 Mercedes-Benz E-Class vs. rivals

vs BMW 3 Series 27 MPG · $2,194/yr 3 Series saves $382/yr vs BMW 1 Series 23 MPG · $2,576/yr Same fuel cost vs Lexus IS 24 MPG · $2,469/yr IS saves $107/yr vs Infiniti G37 22 MPG · $2,693/yr E-Class saves $117/yr vs Fisker Karma 54 MPGe + 20 MPG · $2,165/yr Karma saves $411/yr vs Audi A5 25 MPG · $2,370/yr A5 saves $206/yr

Compare the 2012 E-Class

With any other car from any year, including other E-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 E-Class?

Up to 23 MPG combined (20 city / 30 highway); ratings range from 18 to 23 MPG depending on configuration.

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