Tank Ledger

Mercedes-Benz S550e MPG by year — every rating on record

The Mercedes-Benz S550e has a combined EPA fuel economy rating for 3 model years, from 2015 to 2017. Across those years its best rated version returned 26 mpg (2015) and its thirstiest returned 26 mpg (2015). The EPA record holds 3 configurations for this nameplate, most recently a Large Cars.

26best combined mpg (2015)
26worst combined mpg (2015)
26latest year best (2017)
3configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2015126 mpg26 mpg#18 of 75 (77th pct)Rear-Wheel DrivePremium and ElectricityLarge Cars
2016126 mpg26 mpg#21 of 72 (72th pct)Rear-Wheel DrivePremium and ElectricityLarge Cars
2017126 mpg26 mpg#22 of 74 (71th pct)Rear-Wheel DrivePremium and ElectricityLarge 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 S550e placed highest in 2015 at #18 of 75, and lowest in 2017 at #22 of 74. It spent 3 of its 3 ranked years in the top half of its class.

Every configuration on record

All 3 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrRangeCO2 g/miGHG
20173.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium and ElectricitySIDI; PHEV, turbocharged, Plug-in Hybrid, start-stop243026442.37.4$3,000450 mi2299/10
20163.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium and ElectricitySIDI; PHEV, turbocharged, Plug-in Hybrid, start-stop243026442.37.4$3,000450 mi2279/10
20153.0L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium and ElectricitySIDI; PHEV, turbocharged, Plug-in Hybrid, start-stop243026442.37.4$3,000450 mi2279/10

What S550e fuel costs over a year

At the EPA's 11,500 miles a year, the 2017 Mercedes-Benz S550e burns 442 to 442 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 priceMost efficientThirstiestSpread
$3.00/gal$1,327$1,327$0
$3.50/gal$1,548$1,548$0
$4.00/gal$1,769$1,769$0

EPA’s own estimate for the 2017 model year is $3,000 to $3,000 a year in fuel, or $750 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 26 mpg the Mercedes-Benz S550e is 5 mpg better the median, which is worth about $369 a year at $3.50 a gallon.

Other Mercedes-Benz nameplates

Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.