2020 Mercedes-Benz SLK SLC
2020 Mercedes-Benz SLK SLC — final U.S. catalog year.
Trim: SLC 300
Unverified trim photo — may not match this trim exactly
Other years
2020 Mercedes-Benz SLK SLC snapshot
As of 2026-07
A used 2020 Mercedes-Benz SLK SLC typically asks about $20,100 versus a $51,500 starting MSRP when new — roughly 39% retained. Our last NHTSA refresh shows no open recalls and no owner-complaint filings for the 2020 Mercedes-Benz SLK SLC. Compare years below for recalls, year-over-year changes, and running-cost estimates before you buy.
- Est. used asking
Est. used asking
$20,100
39% of MSRP
- Original MSRP
Original MSRP
$51,500
Base-trim starting price
- NHTSA recalls
NHTSA recalls
0
Campaigns in last refresh
- Owner complaints
Owner complaints
0
NHTSA filings
Methodology: Used asking is a labeled retention estimate from curated MSRP + vehicle age (not an appraisal). Recalls/complaints from NHTSA offline enrich.
Are there recalls or complaint patterns on the 2020 SLK SLC?
Our last NHTSA refresh shows a clean sheet for the 2020 Mercedes-Benz SLK SLC — still verify the VIN before you buy.
Recalls
No NHTSA recalls listed for this model year in our last refresh.
Owner complaints
No owner complaints filed with NHTSA for this model year in our last refresh.
Video
Embedded from YouTube. We do not host or claim ownership of this video.
Mercedes SLK buyers guide review (2011-2020) Reliability and known faults (SLK/SLC R172)
Video by The Miles Driven · Watch on YouTube
Photos
How much does a used 2020 SLK SLC cost vs original MSRP?
Expect about $20,100 in typical used asking against a $51,500 starting MSRP — roughly 39% retained on our labeled retention estimate. Use that gap to decide whether a newer year is worth the jump.
- Original MSRP
- $51,500
- Published starting (base-trim) MSRP when new.
- Est. used asking
- $20,100
- Estimated typical used asking from a mass-market retention curve — not a live appraisal or guaranteed sale price. As of 2026-07.
Retains about 39% of MSRP
~$31,400 below MSRP
Opens Edmunds. We may earn a referral commission if you use their tools — it doesn't change the price you see. Figures above are model-year starting MSRP and typical asking, not a guaranteed sale price for a specific VIN.
What should a used buyer know about the 2020 SLK SLC?
The 2020 Mercedes-Benz SLK SLC is the newest year in our catalog — start here for current specs, then check older years if you want to save money. The Mercedes-Benz SLK/SLC ended after 2020. This page covers the final model year. The 2020 Mercedes-Benz SLK SLC was the final model year covered in this catalog. The Mercedes-Benz SLK-Class is a compact executive roadster, produced by Mercedes-Benz. It was released in 1996 and was manufactured at the Mercedes plant in Bremen, Germany, until 2020.
- Final U.S. catalog year
Overview adapted from Wikipedia.
Trim
Final SLC year before SL return.
How does the 2020 stack up on paper?
At a glance: 241 hp, 273 lb-ft, 25 mpg combined. Dig into mechanicals and efficiency below.
Horsepower
241 hp
Torque
273 lb-ft
Combined MPG
25 mpg
What will fuel or charging roughly cost?
Adjust your miles and local energy price for the 2020 selected trim (25 mpg combined). Energy only — not insurance, tires, or a VIN appraisal.
Per year
$1,680
5-year energy
$8,400
- Powertrain
- Gas
- Based on
- 25 mpg combined
- Your inputs
- 12,000 mi/yr · $3.50/gal · 5-year horizon
Compare signal only — local rates and driving mix will differ.
What powertrain and drivetrain does it use?
Mechanical basics for the selected trim — engine, transmission, and drive type.
- Engine
- 2.0L Turbo I4
- Drivetrain
- RWD
How big is it, and what can it carry?
Exterior size, seating, cargo, and towing figures when we have them.
- Seating
- 2
How efficient is this year on fuel or charge?
EPA-style efficiency and range fields from our catalog enrich — useful for YoY compares.
- Combined MPG
- 25
Efficiency figures are curated / EPA-oriented. Verify on FuelEconomy.gov.
Trim compare
Pick two trims and scan the gaps that matter — power, efficiency, and capability.
| Spec | SLC 300 | AMG SLC 43 |
|---|---|---|
| Horsepower | 241 hp | 385 hp |
| Torque | 273 lb-ft | 384 lb-ft |
| 0–60 | — | 4.6 s |
| Combined MPG | 25 | 23 |
| Engine | 2.0L Turbo I4 | 3.0L Twin-Turbo V6 |
| Drivetrain | RWD | RWD |
| Seating | 2 | 2 |
Trim index
| Trim | HP | Torque | 0–60 | MPG | Drivetrain |
|---|---|---|---|---|---|
| 241 | 273 | — | 25 | RWD | |
| 385 | 384 | 4.6s | 23 | RWD |