2018 Mercedes-Benz SL-Class SL 550

Specifications, live market data, colors, and factory features.

11 for sale right now

$28,372 – $59,916

View Listings

Specifications

449

Horsepower

516

lb-ft Torque

MPG Combined

Seats

$112k

Base MSRP

Performance

Engine: 4.7L V8 M278
Horsepower: 449 hp
Torque: 516 lb-ft
Transmission: 9-Speed Automatic
Drivetrain: RWD

Fuel & Efficiency

Fuel: Gasoline
MPG City: 17 mpg
MPG Highway: 25 mpg
MPG Combined: 20 mpg
Fuel Tank: 19.8 gal

Dimensions

Length: 182.3″
Width: 76.7″
Height: 51.2″
Wheelbase: 101.7″
Curb Weight: 3,959 lbs
Cargo Volume: 13.5 cu ft

Body & Practicality

Body Style: Convertible
Doors: 2
Seating: 2
Base MSRP: $112,300

Colors

Factory colors on 2018 Mercedes-Benz SL-Class SL 550s for sale now.

Exterior

Black3
Iridium Silver Metallic(silver)2
Gray1
White1

Interior

Black4
Red1
White1

Live Market Data

Computed from active 2018 Mercedes-Benz SL-Class SL 550 listings nationwide, updated continuously.

For sale now11

Median price$41,083

Average price$43,797

Price range$28,372 – $59,916

Median vs. MSRP−$71,217

Avg. days on market82

Avg. mileage59,391 mi

New / Used0 / 11

Price Distribution

Price vs. Mileage

Latest SL 550 Listings

The newest 2018 Mercedes-Benz SL-Class SL 550s on the market.

View all 11 →

Used 2018 Mercedes-Benz SL-Class

SL 550

$56,175

19,653 mi

Est. $814/mo*

1 day on market

Gray

Mercedes-Benz of Sioux Falls

Sioux Falls, SD

Used 2018 Mercedes-Benz SL-Class

SL 550

$39,389

67,848 mi

Est. $575/mo*

1 day on market

White

Gaffney Buick GMC

Gaffney, SC

Used 2018 Mercedes-Benz SL-Class

SL 550

$59,916

23,427 mi

Est. $867/mo*

44 days on market

BlackRed

RBM of Alpharetta

Alpharetta, GA

Used 2018 Mercedes-Benz SL-Class

SL 550

$53,094

25,219 mi

Est. $770/mo*

84 days on market

BlackBlack

Trust Auto

Sykesville, MD

Used 2018 Mercedes-Benz SL-Class

SL 550

$39,082

76,756 mi

Est. $570/mo*

72 days on market

BlackBrown

Galaxy Autosport

Sacramento, CA

Used 2018 Mercedes-Benz SL-Class

SL 550

$44,940

45,273 mi

Est. $654/mo*

87 days on market

GrayRed

Plug-In Auto 2

Costa Mesa, CA

Used 2018 Mercedes-Benz SL-Class

SL 550

$34,649

85,491 mi

Est. $507/mo*

109 days on market

WhiteBlack

Excel Auto Lounge

East Windsor, NJ

Used 2018 Mercedes-Benz SL-Class

SL 550

$52,394

30,395 mi

Est. $760/mo*

110 days on market

GrayRed

Matthews Motors - Goldsboro

Goldsboro, NC

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The median 2018 Mercedes-Benz SL-Class SL 550 lists for $41,083 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

KEYLESS-GO proximity key with push-button start
Remote keyless entry with panic button and illuminated entry
Dual-zone automatic climate control with active charcoal air filtration and residual heat recirculation
Cruise control
Homelink universal garage-door opener
Power windows with one-touch up/down
Power door locks with autolock
Power fuel-flap lock
Trunk/hatch auto-latch
Steering-wheel-mounted multi-function controls
Valet function
Smart device remote engine start
FOB controls for cargo access, windows, and convertible top
mbrace Connect selective service internet access

Driver Assistance

ATTENTION ASSIST drowsiness monitoring
COLLISION PREVENTION ASSIST PLUS with Active Brake Assist (forward collision warning and automatic emergency braking assistance)
Rearview camera with in-dash display
Parking Assist / Parking Pilot with front and rear parking sensors
Driver monitoring alert

Entertainment

COMAND 5.1 infotainment system with central LCD display
COMAND integrated hard-drive navigation with voice activation
harman/kardon Logic 7 surround sound system
Smartphone Integration with Apple CarPlay and Android Auto
Bluetooth wireless phone connectivity and streaming audio
SiriusXM satellite radio with real-time traffic display
In-dash 6-disc CD/DVD-Audio/MP3 player
10 GB music register internal memory and external memory control
AM/FM/Weatherband radio with RDS, seek/scan, and speed-compensated volume
Steering-wheel audio controls and voice activation

Exterior

Two-seat roadster body with power-operated retractable hardtop
Retractable hardtop with fixed glass panorama roof and sliding sunshade
Power wind blocker
Diamond radiator grille
Body-colored front and rear bumpers; body-colored door handles
Black side window trim
LED Intelligent Light System (adaptive projector LED low/high beams with auto-leveling, cornering lights, and headlamp washers)
LED daytime running lights, LED taillights/brake lights, and rear fog lamps
Automatic high beams
Mirror logo lamps
Perimeter/approach lights
Power heated, power-folding exterior mirrors with driver auto-dimming and integrated turn signals
MAGIC VISION CONTROL rain-sensing variable intermittent wipers with heated jets and heated washer fluid reservoir
Power trunk/rear cargo access with proximity (hands-free) cargo access
Glass rear window with defroster
Standard wheels: 19" AMG 5-spoke alloy (8.5 x 19 front / 9.5 x 19 rear)
Standard tires: P255/35YR19 front and P285/30YR19 rear high-performance run-flat

Interior

Leather upholstery
Active multicontour front seats with massage
Heated and active ventilated front seats
AIRSCARF neck-level heating
16-way power front seats with power 4-way lumbar support
Memory settings for driver and passenger seats, exterior mirrors, steering wheel, head restraints, and HVAC
Power anti-whiplash adjustable front head restraints
Sport leather/metal-look steering wheel with auto tilt-away
Power tilt and telescoping steering column
Color-adjustable ambient lighting
Wood interior trim (center console and doors) with aluminum/metal-look accents
Leather door trim inserts and leather gear selector
Leatherette-upholstered dashboard
Auto-dimming day/night rearview mirror
Dual illuminated vanity mirrors
Full carpet floor covering with front floor mats
Front center armrest and full floor console with locking storage
Front cupholders; dual 12V power outlets
Illuminated locking glove box with refrigerated/cooled box
Analog gauges with trip computer, outside temperature, and redundant digital speedometer

Mechanical & Performance

4.7L biturbo V8 (449 hp @ 5,500–6,000 rpm; 516 lb-ft @ 1,800–3,500 rpm)
Aluminum-alloy engine; DOHC 32-valve; gasoline direct injection
Engine auto stop-start and engine oil cooler
9G-TRONIC 9-speed automatic transmission with wheel-mounted shift paddles
DYNAMIC SELECT drive modes / driver-selectable transmission modes
Rear-wheel drive (2.65 final drive ratio)
Aluminum unibody chassis
Independent multi-link front and rear suspension with coil springs
Adaptive suspension with continuously adjustable damping and driver-controlled ride control
Front and rear anti-roll bars
Speed-sensitive electro-mechanical rack-and-pinion power steering
4-wheel ventilated disc brakes with 4-wheel ABS, Brake Assist, Hill Hold Control, and electric parking brake
Brake-actuated limited-slip differential
Electronic Stability Control (ESC) and traction control
Dual stainless-steel exhaust with chrome tailpipe finishers
19.8-gallon fuel tank; EPA 17 city / 25 highway / 20 combined mpg
Electronically limited top speed 155 mph; 0–60 mph in 4.3 sec

Safety & Security

Dual-stage driver and passenger front airbags
Front seat-mounted side airbags
Front head/curtain airbags
Driver and passenger knee airbags
Airbag occupancy sensor and BabySmart child seat sensor
3-point seat belts with pretensioners and force limiters
PRE-SAFE anticipatory occupant protection / post-collision safety system
Automatic pop-up roll bars / roll-over protection
Side impact beams and crumple zones
Tire-specific low tire-pressure warning
Anti-theft alarm system and engine immobilizer
mbrace emergency SOS / telematics assistance

Warranty

Basic: 4 years / 50,000 miles
Powertrain: 4 years / 50,000 miles
Corrosion perforation: 4 years / 50,000 miles
Roadside assistance: 4 years / 50,000 miles