2013 Mercedes-Benz SLK-Class — Full Specifications
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The 2013 Mercedes-Benz SLK-Class is a coupe offered with 3 engines (1.8L 4-cyl turbo, 3.5L 6-cyl, 5.5L 8-cyl). Its most fuel-efficient configuration returns around 31 mpg (UK) / 26 mpg (US EPA) combined, with 26–31 mpg (UK) across all configurations. Owners often keep a Mercedes-Benz SLK-Class workshop manual to hand for servicing and repairs.
Compared with the 2012 Mercedes-Benz SLK-Class: Fuel economy is essentially unchanged at around 31 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 1.8L 4-cyl turbo |
|---|---|
| Engine options | 1.8L 4-cyl turbo · 3.5L 6-cyl · 5.5L 8-cyl |
| Transmission (most efficient) | Automatic 7-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Fuel Economy (UK) | 31 combined / 28 urban / 38 extra-urban mpg |
| Fuel Economy (US EPA) | 26 combined / 23 city / 32 highway mpg |
| CO₂ Emissions | 213 g/km |
| EPA Greenhouse Gas Score | 7 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,150 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 4 configurations for the 2013 Mercedes-Benz SLK-Class across 3 engines (1.8L 4-cyl turbo, 3.5L 6-cyl, 5.5L 8-cyl). Combined fuel economy ranges from 22 to 26 mpg (US), or 26 to 31 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 1.8L 4-cyl turbo | Automatic 7-spd | Rear-Wheel Drive | 31 | 26 (23/32) | 213 | $3,150 |
| 1.8L 4-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 31 | 26 (22/32) | 215 | $3,150 |
| 3.5L 6-cyl | Automatic 7-spd | Rear-Wheel Drive | 29 | 24 (21/28) | 231 | $3,400 |
| 5.5L 8-cyl | Automatic 7-spd | Rear-Wheel Drive | 26 | 22 (19/28) | 249 | $3,750 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2013 Mercedes-Benz SLK-Class
Running Costs: 2013 Mercedes-Benz SLK-Class
Covering around 8,000 miles a year in a 2013 Mercedes-Benz SLK-Class at 31 mpg combined, expect roughly 1,173 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,150 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2013 Mercedes-Benz SLK-Class Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2013 Mercedes-Benz SLK-Class as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 9 complaints with NHTSA about the 2013 Mercedes-Benz SLK-Class. The most-reported areas are Structure (3), Air bags (2), Engine (2).
Used-buyer checklist for the 2013 Mercedes-Benz SLK-Class
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Body structure (3 owner complaints) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Air bags (2 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Engine (2 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Mercedes-Benz SLK-Class compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 31 mpg figure is 6 mpg better than that average. Its 213 g/km CO₂ figure is 65 g/km lower than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
Mercedes-Benz models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2013 Mercedes-Benz SLK-Class's 31 mpg is 5 mpg above that make average. Its 213 g/km CO₂ figure is 55 g/km lower than the 268 g/km Mercedes-Benz average.
Of the 7 Mercedes-Benz SLK-Class model years we cover, the 2013 ranks 2nd for combined fuel economy on its best configuration (31 mpg UK combined, against a high of 32 mpg). See every Mercedes-Benz SLK-Class year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2013 Mercedes-Benz SLK-Class
Frequently Asked Questions
What engine does the 2013 Mercedes-Benz SLK-Class have?
EPA lists 3 engines for the 2013 Mercedes-Benz SLK-Class: 1.8L 4-cyl turbo, 3.5L 6-cyl, 5.5L 8-cyl. The most fuel-efficient configuration pairs the 1.8L 4-cyl turbo with a automatic 7-spd.
What is the fuel economy of the 2013 Mercedes-Benz SLK-Class?
The most efficient configuration returns around 31 mpg (UK) combined, or 26 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 26 to 31 mpg.
How much does the 2013 Mercedes-Benz SLK-Class cost to fuel per year?
The US EPA estimates about $3,150 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2013 Mercedes-Benz SLK-Class have any recalls?
NHTSA lists no safety recall campaigns for the 2013 Mercedes-Benz SLK-Class as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2013 Mercedes-Benz SLK-Class?
Among the 9 owner complaints filed with NHTSA, the most-reported areas are Structure (3 complaints), Air bags (2 complaints), Engine (2 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Mercedes-Benz SLK-Class's fuel economy good for a coupe?
Yes — it returns around 31 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track, making it one of the more efficient options in its class.