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2017 Mercedes-Benz SL 450

Original MSRP Range
Available Style(s)
20 MPG City / 28 MPG Hwy
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1 vehicles starting at $65,998
2017 Mercedes-Benz SL 450

What We Like

Bulletproof construction with a seemingly endless list of luxury features; satisfying performance across the lineup; unbeatable heritage and cachet

What We Don't

Not even the AMG versions can provide the sharpness a real driver's machine should have; rearview camera should be standard in the lowest trim level


Expert Rating

3.5/ 5

Consumer Rating

4.6/ 5


What's New in the 2017 Mercedes-Benz SL 450?

It's midgeneration-refresh time, with revisions to the styling that bring the SL more into harmony with rest of the current Mercedes-Benz portfolio. This is mainly a positive thing, since the SL has looked somewhat awkward these past few years. The instrument dials have also been redesigned.

The SL450 replaces the SL400 to become the new "entry-level" model. The SL450 and SL550 are fitted with new 9-speed automatic transmissions.

The whole range receives LED lighting as standard, including the cabin, which gets three hues. The list of standard equipment expands to include keyless entry and ignition, hands-free trunk operation, Parking Pilot, automatic emergency braking, two USB slots, Apple CarPlay and Android Auto, plus an automatic trunk separator (no more stopping the car and getting out to fix the separator into place before operating the folding roof). See the 2017 Mercedes-Benz SL-Class models for sale near you

Which SL 450 is the Best?

No one really needs advice on which version to buy. This car is about desire rather than need. Assuming you can afford the SL450, you can probably stretch to the SL550. In which case, go for it. In any event, the SL is one of the finest automobiles on the planet, a virtually flawless luxury convertible. Find a Mercedes-Benz SL-Class for sale


How Much Does a 2017 Mercedes-Benz SL 450 Cost?

The 2017 Mercedes-Benz SL-Class is available in SL450, SL550, AMG SL63 and AMG SL65 versions.

The SL450 ($90,875) includes 18-inch alloy wheels, adaptive LED headlamps, fog lamps, LED running lights and taillights, adaptive suspension dampers, a power hardtop with a panoramic glass roof and power wind deflector, keyless entry/ignition, hands-free trunk operation, forward-collision mitigation, an automated parallel/perpendicular parking function, leather upholstery (sun-reflecting), a power-adjustable tilt-telescopic steering wheel, 12-way power heated seats with memory, plus a Comand infotainment system with navigation, twin USB ports, Bluetooth, HD Radio, satellite radio and a Harman Kardon 600-watt/11-speaker audio system.

The SL550 ($111,725) brings the 4.7-liter V8, 19-in alloys, ventilated/massaging seats with active bolstering, Airscarf (vents in the seats at neck level emitting warm air) and a rearview camera.

The AMG SL63 ($152,275) involves the 5.5-liter V8 along with styling, handling and interior upgrades appropriate to its AMG status. Highlights include 19-in wheels, special dampers with active roll resistance (known as Active Body Control, or ABC), big brakes, a sport exhaust, a limited-slip differential and performance telemetry.

Before we get to the bells-and-whistles model, we should point out these other three versions may also be specced with a Driver Assistance package. This entails advanced safety features like adaptive cruise control, steering assistance, active lane keeping and active blind spot monitoring.

Also on the options list are Magic Sky Control (turning the glass roof panel from transparent to opaque at the touch of a button), power-closing doors, a Bang & Olufsen 12-speaker audio system, infrared night vision and an enhanced infotainment display with a driver/passenger split view. And there are various special paint finishes and choices of leather upholstery. An SL can be personalized to a high degree if one is willing to splash out.

The AMG SL65 ($220,775) features the only V12 in the lineup, 20-in rear wheels to go with the 19-in wheels up front, and the majority of those extras previously listed.

Options for the AMG models include carbon-fiber trim (exterior and interior), black chrome trim and carbon-ceramic brake discs.

The trunk is pretty roomy by roadster standards, measuring 10.2 cu ft. with the top up. Folding the top reduces that to 7.2 cu ft. There's also some stowage space behind the seats.

SL 450 Trims

ConvertibleOriginal MSRP / PriceEngineHorsepowerCity MPG / Hwy MPGTransmissionDrive
SL-Class SL 450 Roadster$86,950 / N/A6 Cylinder Turbo36220 / 289-Speed Shiftable AutomaticRWD

Is the 2017 Mercedes-Benz SL 450 a Safe Car?

Along with front, side and knee airbags, there's a pop-up roll bar, a driver-drowsiness monitor and the company's precollision system (which tightens seat belts and primes the brakes).


Original Warranty

Basic4 Years/50,000 Miles
Drivetrain4 Years/50,000 Miles
Corrosion4 Years/50,000 Miles
Roadside Assistance4 Years/50,000 Miles

Safety Features & Equipment

Braking & Traction
  • 4-Wheel Anti-Lock Brakes
  • Brake Assist
  • Tire Pressure Monitoring System
  • Traction Control
Passenger Restraint
  • Driver Air Bag
  • Passenger Air Bag
  • Side Air Bag
  • Side Head Air Bag
Road Visibility
  • Daytime Running Lights
Accident Prevention
  • Bluetooth, Hands-Free
  • Alarm System
  • Telematics
  • Vehicle Anti-Theft System
  • Blind-Spot Alert
  • Rollover Protection
  • Driver Assistance Pkg
  • Premium Pkg
  • Lane Keeping Assist


2017 Mercedes-Benz SL 450 vs the competition

2017 Aston Martin Vantage -- Comes as a coupe or soft-top convertible with a choice of V8 and V12 engines. And it's drop-dead gorgeous (arguably).

2017 BMW 6 Series Convertible -- Features four seats and a vinyl roof rather than a hard top, but it's comparable with the SL in terms of power, technology and driving experience.

2017 Jaguar F-TYPE Convertible -- Smaller, stiffer and louder than the SL-Class. That might be a good thing.

2017 Porsche 911 Cabriolet -- This 911 has a soft top just like the BMW and Jaguar, yet is also part of an iconic model range.

Used Bentley Continental GTC -- A lightly used Bentley drop-top may be acquired for the price of a brand-new SL. Just make sure it comes with a warranty.

Mercedes-Benz SL 450 News & Reviews


2017 Mercedes-Benz SL-Class: New Car Review

Mercedes-Benz Dealerships Near You

(13.31 miles away)
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8545 Leesburg Pike, Vienna, VA 22182
(571) 512-5993
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19750 Germantown Road, Germantown, MD 20874
(240) 801-7978
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(19.65 miles away)
7020 Arlington Road, Bethesda, MD 20814
(240) 781-6568
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