2017 Mercedes-Benz SL-Class Review
Price Range: $37,998 - $74,998





+357
Mercedes-Benz SL-Class model years
Edmunds' Expert Review

by Mark Takahashi
Correspondent
Mark Takahashi has worked in the automotive industry since 2001. He has written thousands of car-related articles and tested and reviewed hundreds of vehicles over the course of his career. Mark has also contributed to Motor Trend, Auto Aficionado, Chevy High Performance and several motorcycle magazines in various roles. Mark is also a juror on the North American Car, Truck and Utility Vehicle of the Year Awards and can be seen regularly on the Edmunds YouTube channel and sometimes representing the company in media interviews.
Pros
- Effortless acceleration, even in the entry-level SL450
- Interior is a model of luxury and refinement
- Excellent handling doesn't come at the expense of comfort
- Supercool folding hardtop still allows for decent cargo space
Cons
- AMG models aren't as agile as similarly priced exotics
What’s new
For 2017, the Mercedes-Benz SL-Class gets an exterior styling update that brings it into line with newer Mercedes models. Non-AMG models also get a new nine-speed automatic transmission and moderate power increases, while the SL400 changes its name to SL450. All SL models receive additional standard features, including LED headlights, automatic emergency braking, keyless entry and ignition, adjustable tri-color ambient interior lighting, revised gauges, Apple CarPlay, Android Auto, dual USB ports, and an improved power hardtop that can be operated at up to 25 mph and features an automatic trunk separator that adjusts in sync with the roof.
Vehicle overview
It's been a few years since the iconic SL roadster's last redesign, so this is a perfect time for a little nip and tuck. The 2017 Mercedes-Benz SL-Class gets a significant styling refresh that incorporates the company's latest design language, making it look sleeker and more modern. The improvements aren't just skin-deep, though, as the base SL450 (previously the SL400) and SL550 both get power increases and a new nine-speed transmission. Add a smattering of extra standard features, and you've got a compelling case for upgrading to this year's model.
For sale nearby
6 listings
- $74,998great price$3,161 below market
- 17,623 miles
- No accidents, 2 owners, personal use only
- 8cyl automatic
- CarMax Brandywine (333 mi away)
- Delivery available*
- Back-up camera
- Bluetooth
- Navigation
- Leather Seats
- Sunroof/Moonroof
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Located in Brandywine, MD
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AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
19 Combined MPG (16 City/25 Highway)
Listing Information:
VIN: WDDJK7EA9HF046496
Stock: 27244101
Certified Pre-Owned: No - $45,590good price$1,654 below market
- 8,863 miles
- No accidents, 3 owners, personal use
- 6cyl automatic
- Carvana - Phoenix (1,668 mi away)
- Home delivery*
- Bluetooth
- Navigation
- Leather Seats
- Sunroof/Moonroof
- Upgraded Headlights
Close
Located in Phoenix, AZ
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WDDJK6GA4HF043304
Stock: 2003700066
Certified Pre-Owned: No
Listed since: 05-06-2025
With these improvements, the 2017 Mercedes-Benz SL-Class reaffirms its position at the top of the luxury-roadster hierarchy. Few cars can compete with the SL's intoxicating blend of performance, luxury, class and refinement. Even the base V6-powered SL received one of the strongest Edmunds "A" ratings we've ever awarded. Step up to V8 or V12 power, and you'll enjoy the same superb fundamentals along with even more silky-smooth thrust.
As good as this Mercedes roadster is, it's not the only choice. The Porsche 911 is a fantastic alternative, though it's definitely more of a sports car than a touring car. The same holds true for the new Audi R8 and Jaguar F-Type. At the top of the range, the $200,000-plus AMG SL65 could be cross-shopped with the exquisite Bentley Continental, too. But the bottom line is that the SL-Class lineup is an embarrassment of riches. When so many things are so right, you really can't go wrong.
Standard safety features for all 2017 Mercedes SL-Class models include antilock brakes, traction and stability control, side airbags, side curtain airbags, knee airbags, a drowsy driver warning system, a forward collision warning system with automatic emergency braking, Mercedes' Pre-Safe system (cinches seat belts and raises the windows when an imminent collision is detected), Mbrace emergency telematics, pop-up roll bars and active head restraints.
A rearview camera is standard on the SL550 and above (optional on the SL450). The SL65 comes standard with the otherwise optional blind-spot monitoring, lane keeping assist and the Pre-Safe Plus system that detects potential rear collisions, engages the Pre-Safe protection measures and can apply the brakes to prevent secondary collisions.
Edmunds' Expert Rating
Few if any cars are better-suited to luxury top-down touring than the 2017 Mercedes-Benz SL-Class. With its comfortable ride quality, capable handling, superb engines, classy interior, and ample standard and available features, the current SL is an outstanding car in virtually every respect.
Driving
Even the "entry-level" SL450 delivers smooth and potent power that will quicken your pulse, while the new nine-speed automatic is unobtrusive yet gratifyingly responsive. Add in strong brakes and confident handling, and it's easy to see why the V6-powered SL is so highly regarded by our editors. Choose a V8 or the V12 and you'll have still more capability, especially when Active Body Control (ABC) is specified. ABC now boasts a "curve tilting function" that actually tilts the car into a corner rather than allowing it to roll to the outside.
As strong as the SL-Class is on performance, it remains a comfortable touring car at its core. If you're looking for a sportier alternative, the AMG GT should hit the spot. For most, however, the class and refinement of the Mercedes-Benz SL will make it hard to beat.
Interior
The 2017 Mercedes-Benz SL-Class is built more for comfort than all-out performance. Taller and larger drivers will find an abundance of space, and the wide range of seat adjustments ensure that virtually all occupants will find their ideal position. The multi-contour seats (standard on the SL550 and above) further enhance comfort with adjustable side bolsters for lateral support and massage functions to alleviate fatigue on longer drives. On warmer days, the sun-reflective leather and cooled seats will keep you from overheating, and when the weather turns, the Airscarf will keep you comfy with a warm breeze on the back of your neck.
The SL also benefits from the available Magic Sky glass roof that allows you to enjoy a clear panoramic sunroof or transition to dark-tinted glass at the flip of a switch. Obviously, there's still the allure of open-top touring, and now the power-folding top can be operated at speeds up to 25 mph. Buffeting and wind noise are kept in check by the power windblocker, allowing you to have a conversation on the highway without raising your voice.
Materials quality is excellent throughout the cabin, meeting expectations for a car in this lofty price range. As with other Mercedes vehicles, the COMAND infotainment system takes a little time to get acquainted with, but after a short while the menu structure begins to make sense.
Convertibles with folding hardtop roofs typically sacrifice quite a bit of cargo space when the top is down, but the SL manages to provide a decent 8.5 cubic feet of capacity. With the top up, there's a full 13.5 cubic feet available. The hands-free trunk opener (standard on the SL550) makes loading easier by popping the trunk with just a swipe of your foot under the rear bumper.
Compare 2017 Mercedes-Benz SL-Class trim levels
Helpful trims summary and side-by-side comparison chart
2017 Mercedes-Benz SL-Class models
The 2017 Mercedes-Benz SL-Class is a two-seat convertible with a power-folding hardtop. There are four trim levels: SL450, SL550, AMG SL and AMG SL65.
Standard features for the SL450 include 19-inch wheels, a power windblocker, LED headlights and running lights, automatic high beams, headlight washers, automatic wipers, a panoramic sunroof, heated mirrors, front and rear parking sensors, forward collision warning and mitigation, keyless entry and ignition, cruise control, selectable drive modes and an adaptive suspension.
Inside, you get dual-zone automatic climate control, an auto-dimming rearview mirror, a power tilt-and-telescoping steering wheel, sun-reflecting leather upholstery, 12-way power, heated seats with four-way power lumbar and memory functions, tri-color adjustable ambient lighting, a navigation system with real-time traffic, voice controls, Mercedes' Mbrace emergency telematics, Bluetooth, the COMAND infotainment system, Apple CarPlay, Android Auto, two USB ports, and an 11-speaker Harman Kardon sound system with a six-CD changer and satellite and HD radio.
The SL550 adds a V8 engine, AMG-branded 19-inch wheels, a power trunklid with hands-free activation, a rearview camera, an automated parking system, the Airscarf neck-level heater, and ventilated seats with active side bolsters and massage functions.
The AMG SL receives a more powerful handcrafted V8 engine, high-performance drive and suspension settings, Active Body Control (mitigates body roll while cornering), upgraded brakes, a limited-slip differential, unique AMG gauges and other AMG-themed aesthetic flourishes, a dashtop analog clock made by IWC, upgraded leather upholstery and a faux-suede headliner.
At the top of the SL food chain is the AMG SL65, which gets a V12 engine, staggered-diameter wheels (19-inch front, 20-inch rear), adaptive LED headlights, the Magic Sky electrochromic dimming roof, soft-closing doors, adaptive cruise control, rear collision mitigation, blind-spot monitoring, lane keeping assist and a 12-speaker Bang & Olufsen sound system.
Most of the fancier trims' premium features are optional on lesser models. All SLs are eligible for a mobile Wi-Fi hot spot and many interior upholstery and trim upgrades. AMG models can be outfitted with carbon-ceramic brakes and carbon-fiber exterior trim.
Powering the 2017 Mercedes-Benz SL450 is a turbocharged 3.0-liter V6 that produces 362 horsepower and 369 pound-feet of torque. A nine-speed automatic transmission with manual shift control sends power to the rear wheels. Mercedes estimates it will reach 60 mph in 4.9 seconds, but that's the time we recorded in its SL400 predecessor with 33 fewer horsepower, so the estimate is likely conservative.
The SL550 pairs the nine-speed automatic with a turbocharged 4.7-liter V8 that's good for 449 hp (20 more than last year) and 516 lb-ft of torque. It can sprint to 60 mph in an estimated 4.3 seconds.
Ther AMG SL heats things up with a turbocharged 5.5-liter V8 producing 577 hp and 664 lb-ft of torque. It gets a high-performance, seven-speed automatic transmission. Mercedes claims a 0-60-mph time of 4.0 seconds.
Finally, the AMG SL65 keeps the seven-speed transmission but steps up to a turbocharged 6.0-liter V12 that churns out a prodigious 621 hp and 738 lb-ft of torque. Mercedes estimates it will reach 60 mph in 3.9 seconds.
EPA fuel-economy estimates stand at 23 mpg combined (20 city/28 highway) for the SL450 and 20 mpg combined (17 city/25 highway) for the SL550. The AMG SL is rated at 19 mpg combined (16 city/25 highway), while the AMG SL65 drops to 16 mpg combined (13 city/22 highway).

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Edmunds Tested: Electric Car Range and Consumption
Cost to DriveCost to drive estimates for the 2017 Mercedes-Benz SL-Class SL 450 2dr Convertible (3.0L 6cyl Turbo 9A) and comparison vehicles are based on 15,000 miles per year (with a mix of 55% city and 45% highway driving) and energy estimates of $4.08 per gallon for premium unleaded in Ohio.
Monthly estimates based on costs in Ohio
$216/mo for SL-Class SL 450
SL-Class SL 450
vs
$160/mo
Avg. Compact Car
See Edmunds pricing data
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Reliability Ratings by RepairPal
3 out of 5 stars3/5Above Average
#20 out of 48 among Luxury Fullsize Cars
RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2008-2022 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features.
Cost
The average total annual cost for unscheduled repairs and maintenance across all model years of the Mercedes-Benz SL-Class from 2008-2022.$703/yr
vs. $729/yr
for Average Luxury Fullsize Car
for Average Luxury Fullsize Car
Frequency
The average number of times this model is brought into the shop for unscheduled repairs and maintenance in a single year. RepairPal calculates this metric by tracking millions of unique vehicles over multiple years to determine an average number of visits per year (omitting small routine visits, e.g., oil changes).1.42x/yr
vs. 1.74x/yr
for Average Luxury Fullsize Car
for Average Luxury Fullsize Car
Severity
The probability that a repair will be a major issue, meaning the repair costs 3x the average annual repair cost for all models. This threshold will be higher for vehicles that have higher labor rates and parts costs (such as a premium brand).17.8%
vs. 14.7%
for Average Luxury Fullsize Car
for Average Luxury Fullsize Car
powered by RepairPal Based on RepairPal reliability data as of 8/23/2023. Ratings are provided by RepairPal and Edmunds is not responsible for their accuracy.
Mercedes-Benz SL-Class Reviews
Owner Reviews
5(77%)
4(8%)
3(11%)
2(4%)
1(0%)
Most Helpful Owner Reviews
Trending topics
Hard decision was the right decision
5 out of 5 starsjn.meyer@hotmail.com, 09/23/2016
2017 Mercedes-Benz SL-Class SL 450 2dr Convertible (3.0L 6cyl Turbo 9A)
There are lots of choices in today's marketplace for the person wanting a two seat sports roadster. I ordered my SL 450 on the day that the dealer was allowed to enter orders for the 2017 model year. The homework prior to selecting the SL 450 was many months of soul searching for the right car, and in the end my list of wants played a role in my final selection. I nixed many models and … brands because of over budget price and worthiness to be classified as a luxury roadster. My final decision was made on a budgeted amount I was willing to spend, overall styling, interior comfort, entry/exit, technology features, available options, ride quality, how well the engine was matched to the transmission, safety features, trunk space, outward visibility, and industry magazine articles. I have owned 1981 and 2001 Corvette's so I had that American experience behind me and fulfilled that past teenage desire to someday own a Corvette. As part of my research, I also considered and drove the Corvette Z51, the Jaguar F-Type, the Porsche Cayman S, and the Audi TT. They all had entry/exit issues and trunk space issues, and only the Corvette passed the interior comfort, technology, and ride quality test. The final decision became easy because the Sl 450 met my expectations in a luxury Roadster based on the 2016 model year, and automotive journal comments about the 2017 which I found to be accurate. The motor transmission match-up is an absolute joy, and the motor has plenty of torque to make the driver feel that he/she is not being held back by torque lag. I bought the Brilliant Blue, with the Designo Sand interior and Black Ash Trim, and it is a beautiful classic look. It has every option except for the Automatic Body Control and the Upgrade Sound System. The improvements over the 2016 SL 400 made it easy to wait for the 2017 model year. If you want a car that gets lots of looks and thumbs-up, this car pretty much does that. There is enough trunk space with the top closed to satisfy a week trip worth of luggage. With the top down, and the windows/wind screen up, you can easily carry on a conversation at interstate speeds. I own a GL 550, so moving from one to the other is very easy because the controls are very similar. I had concerns about the small video screen, but it has not been an issue. The only thing I had issues with was learning how to pre-set stations for the radio, its awkward and more complicated than it should be, but great to use once the up-to 100 pre-sets are programmed. I would not spend the additional $20,000.00 for the SL 550 unless you have a personal need to have that emblem on your car. The more I drive this car, the more I want to drive this car.
Truly Superb
5 out of 5 starsDR. AMDG, 05/09/2020
2017 Mercedes-Benz SL-Class SL 63 AMG 2dr Convertible (5.5L 8cyl Turbo 7A)
I traded a really nice SL550 for an SL63 AMG. Really enjoyed the SL550, but the SL63 is simply in a different league. Comfortable ride and luxury appointments still remain, but the AMG magic transforms this already stellar platform into something incredible. Too many superlatives to list, but suffice it to say that the SL63 AMG may be one of the best cars ever made. Frightening power … (at any speed), a magnificent interior, refinement to a fault, and German/Mercedes/AMG (over)engineering are integral parts of this outrageous auto.
And...664 lb/ft of torque!!! (from the BIG V8 Biturbo)
Drink the AMG Kool-Aid!
PURE SUBLIME ELEGANCE
5 out of 5 starsMatt, 05/02/2019
2015 Mercedes-Benz SL-Class SL 550 2dr Convertible (4.7L 8cyl Turbo 7A)
This is my dream car. I love that its fast as lightning , beautiful to look at and the way it handles, but does it all in an effortless, professional way. It is so packed with luxury but is still a masculine car. do we really like to get punished in a Porsche just because we want to drive in a sports car? Maybe getting soft in my 40's but I like a quiet, smooth, UN-jarring ride mixed … with massive power and agility. I'm not competing on a race track. anyone saying this SL is anything less than totally sophisticated understated and beautiful is maybe upset that they don't own it.
Update: excellent reliability still just as beautiful as the day I bought it.
Live in your car, love what you drive!!!
5 out of 5 starsFlo Bullock, 12/01/2019
2015 Mercedes-Benz SL-Class SL 400 2dr Convertible (3.0L 6cyl Turbo 7A)
Best car I have ever owned. It's solid, feels super safe. It' a fun drive! The trunk is deceiving. It fits more than you can imagine. Haven't had any problems with it other than a couple of minor things that were covered. It's almost 5 years old.
We have a limited number of reviews for the 2017 Mercedes-Benz SL-Class, so we've included reviews for other years of the SL-Class since its last redesign.
2017 Mercedes-Benz SL-Class video
2017 Mercedes-Benz SL Walkaround Review | Los Angeles Auto Show
It's been four years since Mercedes-Benz redesigned the iconic SL roadster, so the company picked the 2015 Los Angeles Auto Show to roll out a mid-cycle refresh. The 2017 Mercedes-Benz SL now sports a front fascia that pulls some inspiration from the high-performance AMG GT, with a wider grille, larger air inlets and slightly modified headlights. Inside, the changes are… subtle: a new steering wheel, larger infotainment screen and remodeled seats.
2017 SL-Class Highlights
Convertible
SL 450
Base MSRP Excludes Destination Fee | $86,950 |
---|---|
Engine Type | Gas |
Combined MPG | 23 MPG |
Cost to Drive | $216/month |
Seating | 2 seats |
Cargo Capacity All Seats In Place | 13.5 cu.ft. |
Drivetrain | rear wheel drive |
Warranty | 4 years / 50,000 miles |
Safety
Key safety features on the SL-Class include:
- Back-up camera
- Blind Spot Monitoring
- Lane Departure Warning
- Alarm
- Tire Pressure Warning
- Stability Control
- Pre-collision safety system
- Post-collision safety system
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