Used 2023 Mercedes-Benz SL-Class for SaleNationwide

How much does the 2023 Mercedes-Benz SL-Class cost?

Prices are up 1.95% year-over-year — a sign of continued demand for this model year.

There are 296 listings available, which gives you a modest amount of inventory to compare.

Is the 2023 Mercedes-Benz SL-Class a good car?

Yes — the 2023 Mercedes-Benz SL-Class earns a 5/5 user rating and a 7.33/10 expert rating.

The standout strength is Safety at 10/10.

It comes across as a luxury grand tourer built to feel special, with striking styling and premium interior materials, while also delivering serious performance. The trade-offs are clear: the infotainment system is aggravating, fuel economy is poor, and cargo space is limited.

For you, that means the SL-Class makes the most sense if you want a high-end convertible that prioritizes presence, performance, and cabin quality over everyday practicality. 30.1% of listings are priced as good or great deals, so there is some room to shop selectively.

Is the 2023 Mercedes-Benz SL-Class reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The 2023 SL-Class is presented as a refined, high-end grand tourer with premium materials and a strong performance focus, but it also brings some everyday irritations. The expert review notes that the car is fast, composed, and rewarding in more aggressive driving modes, while also calling out touch-sensing controls that can be distracting and frustrating.

Mercedes also includes a few ownership-friendly touches, including biometric authentication for saving driver profiles and a one-year subscription to connected services. The performance setup is substantial, but the car’s complexity and high-end hardware mean long-term ownership risk is still something you should weigh carefully as a used buyer.

What should I look for when buying a used 2023 Mercedes-Benz SL-Class?

Accident-free inventory is excellent at 94.6% — clean inventory, standard diligence applies.

You should still run a history report and prioritize a pre-purchase inspection, especially because this is a complex luxury convertible with advanced electronics and a power roof. Focus on overall condition, since the car’s premium cabin, infotainment, and top mechanism are all areas where wear or malfunction could matter more than on a simpler used car.

Key things to evaluate:

• Trim level: The SL-Class is positioned as a luxury grand tourer with a redesigned body, a fabric soft top, and a cabin that emphasizes premium materials and a high-end feel. The base setup is already well equipped, but the content also points to added equipment such as the AMG Night Package, Driver Assistance Package, augmented video for navigation, and a gesture-control interior assistant on the test vehicle.
• Powertrain: The available SL 43 uses a four-cylinder engine with an electric turbocharger and makes 375 horsepower and 354 pound-feet of torque, while the reviewed version is more powerful. The SL 55 uses a hand-built, twin-turbocharged 4.0-liter V8 with 469 horsepower and 516 pound-feet of torque, paired with a nine-speed automatic and all-wheel drive.
• Safety package: Standard safety equipment includes pop-up roll bars and Pre-Safe Sound, plus 10 airbags. The Driver Assistance Package adds 13 systems, including adaptive cruise control with lane-centering assist and lane-change assist, active emergency stop assist, and active braking for intersections, cross-traffic, and sudden congestion situations.
• Infotainment: The cabin uses a 12.3-inch digital instrument display and an 11.9-inch portrait touchscreen with MBUX, wireless Apple CarPlay and Android Auto, wireless smartphone charging, and a one-year subscription to Mercedes Me connected services. The system can be distracting to use, so make sure every function works properly during your test drive.
• Fuel efficiency: The SL 55 averages 16 mpg in combined driving and returned 16.6 mpg on the testing loop.

Which 2023 Mercedes-Benz SL-Class trim should I buy?

The 2023 Mercedes-Benz SL-Class is offered in 3 trim levels: SL 43, SL 55, SL 63.

Here's the short version:

• SL 43: This is the entry point and the value play if you want the redesigned SL experience with the lower starting price and the new four-cylinder, electric-turbocharged powertrain. It should suit you if you care more about the look, luxury, and badge than maximum performance.
• SL 55: This is the best-value trim for most shoppers because it adds the hand-built twin-turbo V8, all-wheel drive, and the stronger performance character that fits the SL name. It also benefits from the car’s luxury and tech features without pushing all the way to the top of the range.
• SL 63: This is the choice if you want the most powerful and most expensive version in the lineup, with the most performance-focused positioning of the standard gas trims.

The Driver Assistance Package is a reasonably priced option, and it adds 13 additional safety and driver assistance systems.

Is now a good time to buy a used 2023 Mercedes-Benz SL-Class?

This looks like a moderate market for selective buyers, so you can shop patiently but still move quickly on the right listing.

• Deal availability: 30.1% of listings are priced as good or great deals.
• Inventory: There are 296 listings available.
• Price trend: Prices are up 1.95% year-over-year.
• Clean inventory: 94.6% of listings are accident-free.

If you find a listing below $86,417, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2023 Mercedes-Benz SL-Class's resale value?

The current average of $98,550 sits slightly above last year's $96,668.

That upward move suggests the market is still willing to pay for this model year’s mix of style, performance, and luxury. For a future seller, that can help support pricing if your car is well kept and presents cleanly.

The fact that prices are holding near the top of the year-round range also suggests demand is still healthy. If you maintain the car carefully and keep documentation in order, you should be in a better position when it’s time to sell.

Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Is the 2023 Mercedes-Benz SL-Class safe?

The 2023 Mercedes-Benz SL-Class earns a Top Safety Pick+ rating from IIHS.

It earns a 10/10 safety score from our experts.

Standard safety equipment includes pop-up roll bars, Pre-Safe Sound, and 10 airbags. The Driver Assistance Package adds 13 systems, including adaptive cruise control with lane-centering assist and lane-change assist, active emergency stop assist, and active braking for intersections, cross-traffic, and sudden congestion situations.

One caveat is that the lane-keeping and lane-centering systems can seem less sure of themselves in brighter conditions, so you should test the driver-assistance tech carefully during your own drive.

Should I buy a 2023 Mercedes-Benz SL-Class or consider a different year?

If you're weighing the 2023 against nearby model years, here's how to think about it:

Choose the 2023 if:

• 30.1% of listings are priced as good or great deals.
• Accident-free inventory is excellent at 94.6% — clean inventory, standard diligence applies.
• Price trend: Prices are up 1.95% year-over-year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2023 model year adds the more affordable SL 43, which broadens the lineup and gives you a lower-cost entry into the redesigned SL.

The bottom line: If you want the newest nearby SL with the broader lineup and strong market support, the 2023 is the one to target. If your priority is stretching your budget, you can still shop carefully for a lower-priced listing, but the 2023’s combination of demand, clean inventory, and strong owner satisfaction makes it the safer default choice.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.