HomeMercedes-BenzSL 4502018

2018 Mercedes-Benz SL 450

Original MSRP Range
$88,200
Available Style(s)
Convertible
MPG
20 MPG City / 28 MPG Hwy
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2018 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 absolute sharpness a real driver's machine should have

Ratings

Consumer Rating

4.6/ 5

Overview

What's New in the 2018 Mercedes-Benz SL 450?

Mirror logo headlamps are now standard, along with a rearview camera. The SL 450 and SL 550 become eligible for silver or red seat belts. See the 2018 Mercedes-Benz SL-Class models for sale near you

Which SL 450 is the Best?

There are no bad or wrong choices here. The SL 550 is a nice middle ground with plenty of V8 power. Do add the Driver Assistance package.

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How Much Does a 2018 Mercedes-Benz SL 450 Cost?

The 2018 Mercedes-Benz SL-Class is available in SL 450, SL 550, AMG SL 63 and AMG SL 65 versions.

SL 450 ($89,195) includes 18-inch alloy wheels, adaptive LED headlamps (with mirror logo), fog lamps, LED running lights and taillights, adaptive suspension dampers, power-folding hardtop with panoramic glass roof and power wind deflector, keyless entry/ignition, hands-free trunk operation, forward-collision mitigation, automated parallel/perpendicular parking function, leather upholstery (sun-reflecting), power-adjustable tilt-telescopic steering wheel, 12-way power-adjustable/heated seats with memory, ambient cabin lighting, rearview camera, plus a Comand infotainment system with navigation, Apple CarPlay/Android Auto smartphone integration, twin USB ports, Bluetooth, HD/satellite radio and a Harman Kardon 600-watt/11-speaker surround sound system.

SL 550 ($113,295) brings the 4.7-liter V8, 19-in alloys, ventilated/massaging seats with active bolstering and Airscarf (vents in the seats at neck level emitting warm air).

SL 63 AMG ($153,845) 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, sport exhaust, limited-slip differential, performance telemetry and an IWC analog clock set into the dashboard.

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

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, Bang & Olufsen 12-speaker audio system, infra-red night vision, and an enhanced infotainment display with a driver/passenger split view. And there are various special paint finishes as well as choices of leather upholstery. An SL can be personalized to a high degree if one is willing to splash out.

SL 65 AMG ($222,995) features the only V12 in the lineup, plus 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$88,200 / $82,0266 Cylinder Turbo36220 / 289-Speed Shiftable AutomaticRWD
Safety

Is the 2018 Mercedes-Benz SL 450 a Safe Car?

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

Warranty

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
  • Rearview Camera
Security
  • Alarm System
  • Telematics
  • Vehicle Anti-Theft System
Packages
  • Premium 1 Pkg
  • Driver Assistance Pkg

Competition

2018 Mercedes-Benz SL 450 vs the competition

2018 Aston Martin Vantage -- A new generation debuts for 2018, with greater enthusiast appeal than the previous model, so more of an AMG rival than anything.

2018 BMW 6 Series Convertible -- Features four seats and a vinyl roof rather than a hard top, but it's comparable to the SL in terms of power, technology and driving experience.

2018 Jaguar F-Type Convertible -- Smaller, stiffer and louder than the SL-Class. That might be a good thing.

2018 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

Featured

2018 Mercedes-Benz SL-Class: New Car Review

Mercedes-Benz Dealerships Near You

(13.31 miles away)
4.5
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8545 Leesburg Pike, Vienna, VA 22182
(571) 512-5993
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(15.4 miles away)
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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