Tank Ledger

Mercedes-Benz SLK350 MPG by year — every rating on record

The Mercedes-Benz SLK350 has a combined EPA fuel economy rating for 12 model years, from 2005 to 2016. Across those years its best rated version returned 24 mpg (2013) and its thirstiest returned 19 mpg (2005). The EPA record holds 19 configurations for this nameplate, most recently a Two Seaters.

24best combined mpg (2013)
19worst combined mpg (2005)
24latest year best (2016)
19configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2005219 mpg19 mpg#16 of 37 (58th pct)Rear-Wheel DrivePremiumTwo Seaters
2006219 mpg19 mpg#18 of 39 (55th pct)Rear-Wheel DrivePremiumTwo Seaters
2007219 mpg19 mpg#18 of 36 (51th pct)Rear-Wheel DrivePremiumTwo Seaters
2008219 mpg19 mpg#22 of 46 (53th pct)Rear-Wheel DrivePremiumTwo Seaters
2009221 mpg21 mpg#16 of 41 (63th pct)Rear-Wheel DrivePremiumTwo Seaters
2010220 mpg20 mpg#17 of 35 (53th pct)Rear-Wheel DrivePremiumTwo Seaters
2011221 mpg20 mpg#18 of 42 (59th pct)Rear-Wheel DrivePremiumTwo Seaters
2012123 mpg23 mpg#14 of 44 (70th pct)Rear-Wheel DrivePremiumTwo Seaters
2013124 mpg24 mpg#19 of 43 (57th pct)Rear-Wheel DrivePremiumTwo Seaters
2014124 mpg24 mpg#19 of 58 (68th pct)Rear-Wheel DrivePremiumTwo Seaters
2015124 mpg24 mpg#20 of 60 (68th pct)Rear-Wheel DrivePremiumTwo Seaters
2016124 mpg24 mpg#14 of 54 (75th 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 SLK350 placed highest in 2012 at #14 of 44, and lowest in 2008 at #22 of 46. It spent 12 of its 12 ranked years in the top half of its class.

Every configuration on record

All 19 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20163.5L 6-cyl Rear-Wheel Drive Automatic 7-spd PremiumSIDI, start-stop212924479.212.4$3,2503685/10
20153.5L 6-cyl Rear-Wheel Drive Automatic 7-spd PremiumSIDI, start-stop212824479.212.4$3,2503716/10
20143.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl, start-stop212824479.212.4$3,2503716/10
20133.5L 6-cyl Rear-Wheel Drive Automatic 7-spd PremiumSIDI212824479.212.4$3,2503716/10
20123.5L 6-cyl Rear-Wheel Drive Automatic 7-spd PremiumSIDI202923500.012.9$3,350386.39130434782606n/a
20113.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl182520575.014.9$3,900444.35n/a
20113.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl192521547.614.2$3,700423.1904761904762n/a
20103.5L 6-cyl Rear-Wheel Drive Manual 6-spd PremiumPR172520575.014.9$3,900444.35n/a
20103.5L 6-cyl Rear-Wheel Drive Automatic 7-spd PremiumPR182520575.014.9$3,900444.35n/a
20093.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl182621547.614.2$3,700423.1904761904762n/a
20093.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl182621547.614.2$3,700423.1904761904762n/a
20083.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl172319605.315.7$4,100467.7368421052632n/a
20083.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20073.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl172319605.315.7$4,100467.7368421052632n/a
20073.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20063.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl172219605.315.7$4,100467.7368421052632n/a
20063.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20053.5L 6-cyl Rear-Wheel Drive Automatic 7-spd Premium3.5L 6-cyl172319605.315.7$4,100467.7368421052632n/a
20053.5L 6-cyl Rear-Wheel Drive Manual 6-spd Premium3.5L 6-cyl162319605.315.7$4,100467.7368421052632n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 4 of 5 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
2008 → 200919 → 21 mpg+2 mpg548 gal
2009 → 201021 → 20 mpg-1 mpg575 gal
2010 → 201120 → 21 mpg+1 mpg548 gal
2011 → 201221 → 23 mpg+2 mpg500 gal
2012 → 201323 → 24 mpg+1 mpg479 gal

What SLK350 fuel costs over a year

At the EPA's 11,500 miles a year, the 2016 Mercedes-Benz SLK350 burns 479 to 479 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$1,438$1,438$0
$3.50/gal$1,677$1,677$0
$4.00/gal$1,917$1,917$0

EPA’s own estimate for the 2016 model year is $3,250 to $3,250 a year in fuel, or $5,000 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 24 mpg the Mercedes-Benz SLK350 is 6 mpg better the median, which is worth about $559 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.