Mercedes-Benz S550 MPG by year — every rating on record
The Mercedes-Benz S550 has a combined EPA fuel economy rating for 11 model years, from 2007 to 2017. Across those years its best rated version returned 21 mpg (2017) and its thirstiest returned 16 mpg (2008). The EPA record holds 11 configurations for this nameplate, most recently a Large Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2007 | 1 | 17 mpg | 17 mpg | #29 of 42 (32th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2008 | 1 | 16 mpg | 16 mpg | #31 of 44 (30th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2009 | 1 | 17 mpg | 17 mpg | #31 of 45 (32th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2010 | 1 | 18 mpg | 18 mpg | #28 of 47 (41th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2011 | 1 | 18 mpg | 18 mpg | #32 of 54 (42th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2012 | 1 | 19 mpg | 19 mpg | #24 of 56 (58th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2013 | 1 | 19 mpg | 19 mpg | #40 of 59 (33th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2014 | 1 | 20 mpg | 20 mpg | #37 of 64 (43th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2015 | 1 | 20 mpg | 20 mpg | #48 of 75 (36th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2016 | 1 | 20 mpg | 20 mpg | #50 of 72 (31th pct) | Rear-Wheel Drive | Premium | Large Cars |
| 2017 | 1 | 21 mpg | 21 mpg | #50 of 74 (33th pct) | Rear-Wheel Drive | Premium | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz S550 placed highest in 2012 at #24 of 56, and lowest in 2016 at #50 of 72. It spent 1 of its 11 ranked years in the top half of its class.
Every configuration on record
All 11 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 4.7L 8-cyl Rear-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 18 | 26 | 21 | 547.6 | 14.2 | $3,700 | 434 | 4/10 |
| 2016 | 4.7L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 17 | 26 | 20 | 575.0 | 14.9 | $3,900 | 444 | 4/10 |
| 2015 | 4.7L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 17 | 26 | 20 | 575.0 | 14.9 | $3,900 | 444 | 5/10 |
| 2014 | 4.7L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged, start-stop | 17 | 26 | 20 | 575.0 | 14.9 | $3,900 | 444 | 5/10 |
| 2013 | 4.7L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged | 15 | 25 | 19 | 605.3 | 15.7 | $4,100 | 479 | 4/10 |
| 2012 | 4.7L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | SIDI, turbocharged | 15 | 25 | 19 | 605.3 | 15.7 | $4,100 | 467.7368421052632 | n/a |
| 2011 | 5.5L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | 5.5L 8-cyl | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2010 | 5.5L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | PR | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2009 | 5.5L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | 5.5L 8-cyl | 14 | 22 | 17 | 676.5 | 17.5 | $4,550 | 522.7647058823529 | n/a |
| 2008 | 5.5L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | 5.5L 8-cyl | 14 | 21 | 16 | 718.8 | 18.6 | $4,850 | 555.4375 | n/a |
| 2007 | 5.5L 8-cyl Rear-Wheel Drive Automatic 7-spd Premium | 5.5L 8-cyl | 14 | 22 | 17 | 676.5 | 17.5 | $4,550 | 522.7647058823529 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 5 of 6 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2007 → 2008 | 17 → 16 mpg | -1 mpg | 719 gal |
| 2008 → 2009 | 16 → 17 mpg | +1 mpg | 676 gal |
| 2009 → 2010 | 17 → 18 mpg | +1 mpg | 639 gal |
| 2011 → 2012 | 18 → 19 mpg | +1 mpg | 605 gal |
| 2013 → 2014 | 19 → 20 mpg | +1 mpg | 575 gal |
| 2016 → 2017 | 20 → 21 mpg | +1 mpg | 548 gal |
What S550 fuel costs over a year
At the EPA's 11,500 miles a year, the 2017 Mercedes-Benz S550 burns 548 to 548 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,643 | $1,643 | $0 |
| $3.50/gal | $1,917 | $1,917 | $0 |
| $4.00/gal | $2,190 | $2,190 | $0 |
EPA’s own estimate for the 2017 model year is $3,700 to $3,700 a year in fuel, or $7,250 more than the average new vehicle over five years.
How it compares with other Large Cars
Across the 305 nameplates EPA classifies as Large Cars, the median best combined rating is 21 mpg. At 21 mpg the Mercedes-Benz S550 is exactly at the median.
- All Large Cars rankings — every nameplate in the class, best to worst.
Other Mercedes-Benz nameplates
Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.