Used Mercedes-Benz SL-Class for Sale nearWaterloo, IA

How much does the Mercedes-Benz SL-Class cost in today's market?

Used Mercedes-Benz SL-Class prices span a wide range depending on model year. Here's what the market looks like right now:

The Mercedes-Benz SL-Class's current nationwide average price is $42,237, and its nationwide average price reached a low of $38,020 over the past year. Recently, prices have come down for the 2015 and 2022 models, making now a good time to shop recent model years.

Is the Mercedes-Benz SL-Class a good car?

Yes — the Mercedes-Benz SL-Class is a strong choice if you want a luxury roadster with standout performance and style. The all-generations owner rating is 4.68/5 across every model year in the data.

Owners consistently praise its powerful engines, smooth handling, and luxurious comfort, and many also appreciate the retractable hardtop and the sense of occasion it brings. Expert reviews reinforce that appeal with a polished mix of style, comfort, and high-end character.

Expert reviews rate the 2026 and 2023 models among the highest across all years.

The main trade-offs are the transmission’s behavior, the control-light cabin, and the ownership costs that come with a complex luxury convertible.

22.3% of listings are priced as good or great deals.

Are Mercedes-Benz SL-Class models reliable?

Owners and experts consistently describe the SL-Class as a well-built, comfortable luxury roadster with strong performance and a refined driving experience. Across the model years, the most common praise centers on its craftsmanship, smooth power delivery, and grand-touring character.

• Owners rate the Mercedes-Benz SL-Class between 4.0 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is tied mainly to the SL-Class’s complexity and the higher repair costs that can come with premium components as the car ages.

What should I look for when buying a used Mercedes-Benz SL-Class?

Across all model years, accident-free inventory is solid at 78.3% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2019 models.

Key things to evaluate:

• Safety package: Standard driver-assistance features include automatic emergency braking, forward-collision warning, blind spot monitors, safe-exit assist, lane-keep assist, parking assist, and Pre-Safe.
• Infotainment: The SL’s third-generation Mercedes-Benz User Experience (MBUX) infotainment system incorporates wireless Apple CarPlay and Android Auto, as well as natural-language voice recognition.
• Fuel efficiency: The turbo-four SL 43 is EPA-rated at 22 mpg combined (19 mpg city, 27 mpg highway). The V8 models live down to expectations at 16 mpg combined, with city and highway ratings of 14 mpg and 21 mpg respectively for the SL 55 and SL 63. Official ratings for the SL 63 S E Performance plug-in hybrid weren’t available at the time of writing, but Mercedes estimates 29 mpg combined (33 mpg city, 25 mpg highway).

Which Mercedes-Benz SL-Class trim should I buy?

The 2026 Mercedes-Benz SL-Class offers these trims:

• SL 43: The entry point, with a 2.0-liter turbocharged inline-four, rear-wheel drive, 416 horsepower, and a 0–60 mph time of 4.6 seconds.
• SL 55: Adds V8 power, all-wheel drive, 469 horsepower, and a 0–60 mph time of 3.8 seconds.
• SL 63: Builds on the same V8 with 577 horsepower for stronger acceleration.
• SL 63 S E Performance: Adds a plug-in hybrid system, 805 horsepower, 1,047 pound-feet of torque, carbon-ceramic brakes, rear-axle steering, and an active anti-roll system.
• Maybach SL 680 Monogram Series: The most luxurious version, with the 577-horsepower engine, all-wheel drive, Maybach-specific damper valves, softer springs, and a ride tuned for comfort.

What Mercedes-Benz SL-Class do most buyers choose?

The Mercedes-Benz SL-Class years with the most listings are 2023, 2022, and 2014.

Higher-volume years tend to be popular because they give you more inventory to compare, which can make it easier to find the right color, mileage, and price combination. They also often attract more shoppers because they sit in the sweet spot between newer features and broader used-market availability.

What is the Mercedes-Benz SL-Class's resale value?

Most of the model years in this table are moving lower year over year, which can work in your favor if you’re shopping used. One recent year is still moving up, so the pricing picture is mixed rather than uniformly soft. The smallest changes are clustered close to flat, while the larger drops create more room for value on the right listing.

The 2015 model year is holding steady, with prices close to flat year-over-year.

The 2023, 2015, and 2022 model years have held their value best, with the smallest year-over-year price changes.

Is the Mercedes-Benz SL-Class safe?

• 2026: 7/10
• 2023: 10/10

Standard driver-assistance features include automatic emergency braking, forward-collision warning, blind spot monitors, safe-exit assist, lane-keep assist, parking assist, and Pre-Safe, which cinches seatbelts, closes windows, and generally preps for a collision if an imminent one is detected.

For the safest used buy, the 2023 model posts the highest confirmed score of 10/10.

Should I buy a used Mercedes-Benz SL-Class now or wait for the next model?

Buy now if:

• Price trend: The 2022 model is at −5.09% versus a year ago, and the 2015 model is at −0.48%.
• Deal availability: The 2022 model has 32.3% good and great deals, and the 2015 model has 34%.
• Sweet-spot year: The 2023 model has the most listings at a current average price of $96,148. The Mercedes-Benz SL-Class offers a polished grand-touring character with luxury, performance, and style in one package.

Consider waiting if:

• Powertrain/efficiency: Mercedes offers no shortage of powertrains with the SL, all with a nine-speed dual-clutch automatic transmission, and the lineup ranges from 416 horsepower to 805 hp with 1,047 lb-ft of torque.
• Tech: The SL’s third-generation Mercedes-Benz User Experience (MBUX) infotainment system incorporates wireless Apple CarPlay and Android Auto, as well as natural-language voice recognition.
• Safety: Standard driver-assistance features include automatic emergency braking, forward-collision warning, blind spot monitors, safe-exit assist, lane-keep assist, parking assist, and Pre-Safe.
• Starting price: Pricing starts at $113,850 for the SL 43.

If you're buying used today, the 2023 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.