DecodedCars2018 Mercedes-Benz SLC-Class
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2018 models.
- Class
- Two Seaters
- Body styles
- Slc 300 2dr Convertible, Slc 43 Amg 2dr Convertible
- Engines
- 2.0L 4-cyl turbo, 3.0L 6-cyl turbo
- Drivetrain
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 27 combined · 25 city / 32 hwy
- Length
- 162.6 in
- Curb weight
- 3,318–3,516 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 27 MPG combined — 38% better than the average 2018 two seaters (19.6 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 2018 models — not a review. How we calculate this →
Overview
The 2018 Mercedes-Benz SLC-Class is a two seaters offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo) 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 3,318 lb (Slc 300 2dr Convertible).
EPA rates its most efficient version at 27 MPG combined (25 city / 32 highway), 38% better than the 2018 two seaters average of 19.6 MPG, for an estimated $3,050 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 2018
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2017 SLC-Class — a carry-over year in the data.
Compared with 2017; trim, feature and price changes aren't covered. See the 2017 SLC-Class →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| Slc 300 2dr Convertible | 162.6 in | 71.3 in | 51.2 in | 95.7 in | 61.4 / 61.8 in | 3,318 lb | 50/50 |
| Slc 43 Amg 2dr Convertible | 162.6 in | 71.3 in | 51.2 in | 95.7 in | 61.4 / 61.8 in | 3,516 lb | 50/50 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| SLC300 | 2.0L 4-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 25 / 32 / 27 | +38% | $3,050 | 324 |
| AMG SLC43 | 3.0L 6-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 20 / 29 / 23 | +17% | $3,550 | 379 |
EPA estimates; "vs. class" is combined MPG against the 2018 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2018 Mercedes-Benz SLC-Class.
Similar 2018 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2018 Mercedes-Benz SLC-Class (this car) | 27 MPG | Not rated | 0 |
| 2018 Porsche Boxster | 25 MPG | Not rated | 0 |
| 2018 Porsche Cayman | 25 MPG | Not rated | 0 |
| 2018 Alfa Romeo 4C | 28 MPG | Not rated | 0 |
| 2018 Audi TT Roadster | 26 MPG | Not rated | 1 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2018 Mercedes-Benz SLC-Class.
Check your VIN for open recalls at NHTSA ↗Not every 2018 Mercedes-Benz SLC-Class is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2018 Mercedes-Benz SLC-Class in NHTSA's database since 2015.
Used 2018 Mercedes-Benz SLC-Class buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2018 Mercedes-Benz SLC-Class. Not a substitute for a professional inspection.
Other SLC-Class years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2020 SLC-Class | 27 | 162.6 in | Not rated | 0 | 0 |
| 2019 SLC-Class | 27 | 162.6 in | Not rated | 0 | 0 |
| 2017 SLC-Class | 27 | 162.6 in | Not rated | 0 | 0 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mercedes-Benz. How we calculate this →