2014 Mercedes-Benz SLK-Class

Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2014 models.

Mercedes-Benz SLK-Class
Pictured: Mercedes-Benz SLK 200 BlueEFFICIENCY (R 172) – Frontansicht, 3. Juli 2011, Essen. Photo: M 93, CC BY-SA 3.0 de, via Wikimedia Commons
Class
Two Seaters
Body styles
Slk 250 2dr Convertible, Slk 350 2dr Convertible, Slk 55 Amg 2dr Convertible
Engines
1.8L 4-cyl turbo, 3.5L 6-cyl, 5.5L 8-cyl
Drivetrain
Rear-Wheel Drive
Fuel
Premium Gasoline
MPG (best)
26 combined · 23 city / 32 hwy
Length
162.6 in
Curb weight
3,307–3,549 lb
NHTSA rating
Not rated
Recalls
0 campaigns

Pros & cons

What's good

  • Excellent fuel economyUp to 26 MPG combined — 26% better than the average 2014 two seaters (20.7 MPG).
  • No recalls so far

Watch out for

  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.

Calculated from EPA, NHTSA and vPIC data against 4 similar 2014 models — not a review. How we calculate this →

Overview

The 2014 Mercedes-Benz SLK-Class is a two seaters offered with 3 engines (1.8L 4-cyl turbo, 3.5L 6-cyl and 5.5L 8-cyl) and rear-wheel drive.

It measures about 163 inches long and 71 inches wide on a 96-inch wheelbase, with a curb weight of roughly 3,307 lb (Slk 250 2dr Convertible).

EPA rates its most efficient version at 26 MPG combined (23 city / 32 highway), 26% better than the 2014 two seaters average of 20.7 MPG, for an estimated $3,150 a year in fuel.

NHTSA has not published a 5-Star overall rating for this model year.

There are no recalls or owner complaints on file with NHTSA for this model year.

What changed for 2014

No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2013 SLK-Class — a carry-over year in the data.

Compared with 2013; trim, feature and price changes aren't covered. See the 2013 SLK-Class →

Dimensions & weight

BodyLengthWidthHeightWheelbaseTrack F / RCurb weightWeight F/R
Slk 250 2dr Convertible162.6 in71.3 in51.2 in95.7 in61.4 / 61.8 in3,307 lb50/50
Slk 350 2dr Convertible162.6 in71.3 in51.2 in95.7 in61.4 / 61.8 in3,395 lb50/50
Slk 55 Amg 2dr Convertible162.6 in71.3 in51.2 in95.7 in61.4 / 61.8 in3,549 lb50/50

Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.

Will it fit your garage? Check with your measurements →

Engines, MPG & running costs

VersionEngineTransmissionDriveCity / Hwy / Combvs. classFuel / yrCO₂ g/mi
SLK2501.8L 4-cyl turboAutomatic 7-spdRear-Wheel Drive23 / 32 / 26+26%$3,150342
SLK2501.8L 4-cyl turboManual 6-spdRear-Wheel Drive22 / 32 / 26+26%$3,150346
SLK3503.5L 6-cylAutomatic 7-spdRear-Wheel Drive21 / 28 / 24+16%$3,400371
SLK55 AMG5.5L 8-cylAutomatic 7-spdRear-Wheel Drive19 / 28 / 22+6%$3,750401
7/10EPA fuel economy score (best version)
7/10EPA greenhouse gas score
Spend $3,750Fuel over 5 years vs. average new car
20.7 MPG2014 Two Seaters average

EPA estimates; "vs. class" is combined MPG against the 2014 EPA class average. How we calculate this →

Safety ratings & technology

NHTSA has not published 5-Star ratings for the 2014 Mercedes-Benz SLK-Class.

Similar 2014 two seaterss

ModelBest MPG / rangeNHTSA overallRecalls
2014 Mercedes-Benz SLK-Class (this car)26 MPGNot rated0
2014 Porsche Cayman25 MPGNot rated5
2014 Porsche Boxster25 MPGNot rated3
2014 BMW Z426 MPGNot rated3
2014 Audi R8 Spyder17 MPGNot rated0

Recalls (0)

No vehicle recalls on file with NHTSA for the 2014 Mercedes-Benz SLK-Class.

Check your VIN for open recalls at NHTSA ↗

Not every 2014 Mercedes-Benz SLK-Class is affected — only a VIN check confirms your car.

Owner-reported problems

No owner complaints for the 2014 Mercedes-Benz SLK-Class in NHTSA's database since 2015.

Used 2014 Mercedes-Benz SLK-Class buyer's checklist

  1. Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
  2. Before you pay: service records, a history report and an independent inspection.

Generated by DecodedCars from NHTSA recalls and owner complaints for the 2014 Mercedes-Benz SLK-Class. Not a substitute for a professional inspection.

Other SLK-Class years

Compare all years →
YearMPG (best)LengthOverallRecallsComplaints
2016 SLK-Class27162.6 inNot rated00
2015 SLK-Class26162.6 inNot rated00
2013 SLK-Class26162.6 inNot rated00
2012 SLK-Class26162.6 inNot rated00
2011 SLK-Class21–Not rated00
2010 SLK-Class21–Not rated00
2009 SLK-Class21–Not rated00
2008 SLK-Class20–Not rated00
2007 SLK-Class20–Not rated00
2006 SLK-Class21–Not rated00
2005 SLK-Class19–Not rated00

Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mercedes-Benz. How we calculate this →