Used 2017 Mercedes-Benz SL-Class for SaleNationwide

How much does the 2017 Mercedes-Benz SL-Class cost?

Prices have softened 8.95% compared to this time last year, making it a favorable time to shop this model year.

There are 106 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2017 Mercedes-Benz SL-Class a good car?

Yes — the 4.67/5 user rating points to strong owner satisfaction. Owners consistently praise its comfort, style, and performance, and they describe the driving experience as immersive. That fits well if you want a luxury roadster that blends everyday refinement with open-air grand touring appeal. With 35.8% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2017 Mercedes-Benz SL-Class reliable?

Owners rate it 4.67/5, a strong signal of long-term satisfaction.

The owner feedback also emphasizes that the car feels dependable in the ways that matter to shoppers who want a premium convertible they can enjoy over time. At the same time, the model’s complexity means you should expect ownership to be more demanding than a simpler car, especially if systems need attention. For used buyers, that makes a careful pre-purchase check especially important so long-term ownership risk stays manageable.

What should I look for when buying a used 2017 Mercedes-Benz SL-Class?

At 60.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether any prior damage was repaired properly. Put inspection priority on bodywork, roof operation, electronics, and any signs that the car’s luxury systems have been stressed or poorly maintained. Because this is a sophisticated roadster, condition matters more than mileage alone, so focus on how well the car has been cared for.

Is now a good time to buy a used 2017 Mercedes-Benz SL-Class?

This is a moderate market, so you can be selective without expecting a deep bargain on every listing.

• Deal availability: 35.8% of listings are priced as good or great deals.
• Inventory: There are 106 listings available.
• Price trend: Prices have softened 8.95% compared with last year.
• Clean inventory: 60.4% of listings are accident-free.

If you find a listing below $40,025, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2017 Mercedes-Benz SL-Class's resale value?

The current average of $41,006 sits slightly below last year's $45,036.

That price movement suggests the model has already absorbed some depreciation, which can help future sellers if they buy at the right price. If you purchase near the lower end of the current range, you may have a better chance of limiting your loss when it comes time to sell. Demand should also benefit from the car’s strong owner satisfaction and luxury-roadster appeal.

Vehicles with strong owner satisfaction ratings, like this model year's 4.67/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2017 Mercedes-Benz SL-Class or consider a different year?

If you're weighing the 2017 against nearby model years, here's how to think about it:

Choose the 2017 if:

• 35.8% of listings are priced as good or great deals.
• At 60.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.95% compared with last year.
• Owners rate it 4.67/5 — a strong satisfaction signal.

The bottom line: The 2017 is the right pick if you want the refreshed SL-Class with strong owner approval and a market that has softened enough to create some negotiating room. If you’re especially price-sensitive, a nearby year may be worth comparing, but the 2017 remains the better all-around choice when you want the updated features and a solid balance of value and desirability.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.