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Mercedes-Benz SLC: engines, roof and trims
The Mercedes-Benz SLC is a two-seater roadster with a retractable hardtop, produced from 2016 to 2020 as an updated version of the SLK model. We look at how the SLC differs from the SLK, which engines are fitted, how the trims differ, and what to check when buying used.
SLC in brief
The SLC (R172) is the 2016 refreshed and renamed SLK. Mercedes at the time changed the names according to their new system, but the car's fundamentals remained the same—a compact roadster with rear-wheel drive.
The standout feature of the SLC is its retractable hardtop (Vario-roof), which folds into the boot. This way, the car functions as a coupe in winter and an open roadster in summer.
SLC vs SLK—what's the difference
The SLC received a revised front bumper, new headlights, an updated interior, improved engines, and more modern driver assistance systems. The key change is the new-generation engines and a 9-speed automatic transmission.
Therefore, if choosing between the older SLK and the SLC, the SLC is usually more modern but also more expensive. It's important to check the year and the specific engine version.
Engines and transmissions
The petrol engines on offer are the SLC 180, SLC 200, SLC 300, and the sporty SLC 43 AMG with a 3.0-litre V6 biturbo engine. There's also a diesel version, the SLC 250 d. Power ranges from around 160 to around 390 hp.
Transmissions come as a 6-speed manual or a 9G-Tronic automatic. The SLC 43 AMG is fitted with the automatic transmission.
Most SLC models have rear-wheel drive, making them more engaging to drive than front-wheel-drive competitors.
What to check when buying a used SLC
First, check the roof mechanism: it should open and close smoothly, without rattles, error messages, or water marks in the boot or cabin. Repairs can be expensive.
Inspect the seals for moisture and ensure all roof modes work. Check the engine and gearbox — they should run smoothly, without judders, and the service history should be comprehensive.
Thoroughly inspect the body for signs of accidents and verify the mileage against the service history.
Trim levels
Names and equipment vary by market and year; we list the most common trims found in Europe.
Pagrindinė
2016–2020Base trim with standard equipment.
- Often — light-alloy wheels
- Folding hardtop
- Often — simpler infotainment system
AMG Line
2016–2020Sportier looks and interior trim.
- AMG-style bumpers and wheels
- Often — sport seats
- Often — sporty steering
Final Edition
2020Special edition from the last year of production.
- Special colour combinations
- Often — distinctive interior trim
- Often — more comprehensive equipment
SLC 43 AMG
2016–2020Sporty AMG version.
- 3.0-litre V6 biturbo engine
- AMG sport suspension and brakes
- Often — AMG seats and steering wheel
Comparison of trims
| Pagrindinė | AMG Line | SLC 43 AMG | |
|---|---|---|---|
| Who it's for | For open-top driving | Sporty looks | For maximum dynamism |
| Most common (searches) | 16–17 column inches | 17–18 column inches | 18 column inches |
| Interior | Standard | Sport seats | AMG trim |
| Engine | 1.6–2.0-litre petrol or 2.1-litre diesel | 1.6–2.0-litre petrol or 2.1-litre diesel | 3.0-litre V6 biturbo |
| Price in the used market (relatively) | Mid-range | Mid-range | High-end |
For most buyers, the SLC 200 or SLC 300 with the AMG Line package will suffice. Opt for the SLC 43 AMG only if you're after genuine sporty character.
Pros
- A solid roof makes the car suitable for all seasons
- A lively rear-wheel drive
- Prestige and a high-quality interior
- A wide range of engines to choose from
Cons
- Just two seats and limited boot space with the roof down
- Roof repairs can be expensive
- Limited interior space
Frequently asked questions
How does the SLC differ from the SLK?
The SLC is the updated version of the SLK after 2016, with a revised design, refreshed interior, and newer engines.
Is the SLC suitable for daily driving?
Yes, thanks to its solid roof it's good for all seasons, but it's a two-seater with limited boot space.
What's the most expensive thing to fix on an SLC?
Often it's the roof mechanism if it fails, plus brakes and tyres on AMG versions.
Updated 2026-10-17 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
