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2009 Mercedes-Benz R 320 CDI Sport Goodwood
Shown: 2009 Mercedes-Benz R 320 CDI Sport Goodwood. Photo: Bahnfrend, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Standard SUVs
  • MY2006–2013

Mercedes-Benz R-Class MPG & Fuel Cost by Year

8 model years · 2006–2013

18 MPG
Combined
16 MPG
City
21 MPG
Highway
Annual cost · MY2013 R350 4matic 3.5L 6-cyl 4WD
$4,460

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Mercedes-Benz models

Mercedes-Benz R-Class fuel economy at a glance

EPA has rated the Mercedes-Benz R-Class for 8 model years, 2006 to 2013. Across those years its combined rating runs 12–21 MPG. The latest model year, 2013, has 1 configuration rated 18 MPG combined and costing $4,460 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2006 is the 2008 R320 CDI 4matic 3.0L 6-cyl turbo 4WD, at 21 MPG.

Mercedes-Benz R-Class MPG by year

121416182022 20062013 Gas Diesel 121416182022 20062013 Gas Diesel
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Mercedes-Benz R-Class: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG)Diesel (MPG) $/yr
2006-2013 (2006) Generation page
2013 18— $4,460
2012 18— $4,460
2011 16— $4,890
2010 16— $5,020
2009 16— $5,020
2008 16–1721 $4,490–$5,020
2007 12–1621 $4,490–$6,700
2006 14–16— $5,020–$5,740

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Mercedes-Benz R-Class generations

1 generations between 2006 and 2013. Open one for the table of every model year and configuration.

2013 powertrain options

Gas · 3.5L
Combined
18 MPG
Per year
$4,460
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Mercedes-Benz R-Class's gas mileage by year?

EPA combined ratings for the Mercedes-Benz R-Class run 12–21 MPG across model years 2006 to 2013. The latest year, 2013, is rated 18 MPG.

Which Mercedes-Benz R-Class model year has the best gas mileage?

The 2008 Mercedes-Benz R-Class R320 CDI 4matic 3.0L 6-cyl turbo 4WD has the highest combined rating since 2006, at 21 MPG.

How much does a Mercedes-Benz R-Class cost to fuel per year?

For MY2013, EPA-rated configurations cost $4,460 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,460.

Has the Mercedes-Benz R-Class's fuel economy improved over time?

Yes. The most efficient configuration moved from 16 MPG in 2006 to 18 MPG in 2013, 2 MPG more.