Tank Ledger

Mercedes-Benz SLC300 MPG by year — every rating on record

The Mercedes-Benz SLC300 has a combined EPA fuel economy rating for 4 model years, from 2017 to 2020. Across those years its best rated version returned 27 mpg (2017) and its thirstiest returned 27 mpg (2017). The EPA record holds 4 configurations for this nameplate, most recently a Two Seaters.

27best combined mpg (2017)
27worst combined mpg (2017)
27latest year best (2020)
4configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2017127 mpg27 mpg#8 of 47 (85th pct)Rear-Wheel DrivePremiumTwo Seaters
2018127 mpg27 mpg#6 of 58 (91th pct)Rear-Wheel DrivePremiumTwo Seaters
2019127 mpg27 mpg#7 of 62 (90th pct)Rear-Wheel DrivePremiumTwo Seaters
2020127 mpg27 mpg#5 of 60 (93th pct)Rear-Wheel DrivePremiumTwo Seaters

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz SLC300 placed highest in 2020 at #5 of 60, and lowest in 2017 at #8 of 47. It spent 4 of its 4 ranked years in the top half of its class.

Every configuration on record

All 4 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20202.0L 4-cyl Rear-Wheel Drive Automatic 9-spd PremiumSIDI, turbocharged, start-stop233227425.911.0$2,8503326/10
20192.0L 4-cyl Rear-Wheel Drive Automatic 9-spd PremiumSIDI, turbocharged, start-stop233227425.911.0$2,8503306/10
20182.0L 4-cyl Rear-Wheel Drive Automatic 9-spd PremiumSIDI, turbocharged, start-stop253227425.911.0$2,8503246/10
20172.0L 4-cyl Rear-Wheel Drive Automatic 9-spd PremiumSIDI, turbocharged, start-stop253227425.911.0$2,8503246/10

What SLC300 fuel costs over a year

At the EPA's 11,500 miles a year, the 2020 Mercedes-Benz SLC300 burns 426 to 426 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$1,278$1,278$0
$3.50/gal$1,491$1,491$0
$4.00/gal$1,704$1,704$0

EPA’s own estimate for the 2020 model year is $2,850 to $2,850 a year in fuel, or $3,000 more than the average new vehicle over five years.

How it compares with other Two Seaters

Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 27 mpg the Mercedes-Benz SLC300 is 9 mpg better the median, which is worth about $745 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.