Mercedes-Benz SLK-Class — All Years
We have Mercedes-Benz SLK-Class specifications on file for 7 model years, 2010–2016, covering coupe trims. Across those years EPA data lists 5 different engines. Combined fuel economy runs from 20 to 32 mpg (UK) depending on year, engine and transmission. Select a year below for full engine, fuel economy, dimensions and safety data.
| Year | Engine(s) | Fuel | MPG (UK) | CO₂ g/km | NHTSA | Recalls | Complaints |
|---|---|---|---|---|---|---|---|
| 2016 | 2L 4-cyl turbo / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 26–32 | 202 | — | 0 | 2 |
| 2015 | 1.8L 4-cyl turbo / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 26–31 | 213 | — | 0 | 4 |
| 2014 | 1.8L 4-cyl turbo / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 26–31 | 213 | — | 0 | 3 |
| 2013 | 1.8L 4-cyl turbo / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 26–31 | 213 | — | 0 | 9 |
| 2012 | 1.8L 4-cyl turbo / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 26–31 | 212 | — | 0 | 12 |
| 2011 | 3L 6-cyl / 3.5L 6-cyl | Premium Gasoline | 24–25 | 263 | — | — | — |
| 2010 | 3L 6-cyl / 3.5L 6-cyl / 5.5L 8-cyl | Premium Gasoline | 20–25 | 263 | — | — | — |
Best and Worst Mercedes-Benz SLK-Class Years: What the NHTSA Data Shows
Across the 5 Mercedes-Benz SLK-Class model years from 2012 to 2016 that have NHTSA data, the typical year has about 4 owner complaints on file. These are the extremes:
Fewest owner complaints
Complaint counts are unverified owner reports to NHTSA and rise with how many cars were sold and how long they have been on the road, so treat them as a pointer for what to inspect, not a reliability score. Model years after 2022 are left out because they have had little time to accumulate reports. Always check a specific car by VIN at nhtsa.gov/recalls.
Engine History
- 3L 6-cyl — 2010–2011
- 3.5L 6-cyl — 2010–2016
- 5.5L 8-cyl — 2010, 2012–2016
- 1.8L 4-cyl turbo — 2012–2015
- 2L 4-cyl turbo — 2016
Engines are those EPA lists for each model year; the MPG (UK) column shows the range across configurations where more than one exists.
Frequently Asked Questions
What years is the Mercedes-Benz SLK-Class covered on this site?
We have data for 7 model years of the Mercedes-Benz SLK-Class, from 2010 to 2016.
What engines does the Mercedes-Benz SLK-Class come with?
EPA data lists: 3L 6-cyl (2010–2011); 3.5L 6-cyl (2010–2016); 5.5L 8-cyl (2010, 2012–2016); 1.8L 4-cyl turbo (2012–2015); 2L 4-cyl turbo (2016).
Which Mercedes-Benz SLK-Class year has the best fuel economy?
The 2016 model returns the highest combined MPG (UK) on record here, at 32 mpg on its most efficient configuration.
Does the Mercedes-Benz SLK-Class have a 5-star NHTSA safety rating?
No model year of this car currently has a 5-star overall NHTSA rating on record here — check the individual year pages above for the exact rating available.
Which Mercedes-Benz SLK-Class model years have the most recalls and complaints?
NHTSA lists no recalls for 2012–2016. Counts are from NHTSA as of 6 October 2026 and change over time; complaints are unverified owner reports.
What body style is the Mercedes-Benz SLK-Class?
The Mercedes-Benz SLK-Class is classed as a coupe on this site.
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