Mercedes-Benz CLK-Class vs Mercedes-Benz SL-Class Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2020 Mercedes-Benz SL-Class SL 450 RWD
Photo of 2019 model year shown

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User Ranking Drivers and owners ranked these cars in 9 categories.

Used Car Pricing Used listing price comparison and analysis.

2009 Mercedes-Benz CLK-Class
CLK 350 Cabriolet
CarGurus Instant Market Value
$13,432
26 listings nationwide

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2020 Mercedes-Benz SL-Class
SL 450 RWD
CarGurus Instant Market Value
$84,666
4 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2009 Mercedes-Benz CLK-Class
CLK 350 Cabriolet
Rob Feeman Preview:

The Mercedes-Benz CLK-Class two-door coupes and cabriolets receive only minor updates for 2009. The automaker adds heated front seats as standard equipment for all CLK-Class vehicles, ...

2020 Mercedes-Benz SL-Class
SL 450 RWD
Cherise Threewitt Preview:

The Mercedes-Benz SL-Class is a smooth, spacious, and sporty roadster with a long history. The current generation, which dates back to 2013, was refreshed in 2017 and carries over larg...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2009 Mercedes-Benz CLK-Class
CLK 350 Cabriolet
Guru83MM writes:
Es un auto inicialmente desconocido... en baja velocidad se mueve y se siente pesado... pero si pisas el acele...
Back Seats Ranked 2009 Porsche 911 Carrera S Coupe RWD worse.
"la posibilidad de abatirlos y ampliar el equipaje.... muchos vendedores y compradores no saben que existe esta posibilidad."
Would Buy Ranked 2009 Porsche 911 Carrera S Coupe RWD worse.
"precio"
Cady writes:
Nice affordable luxury vehicles
20
Guru9TBCBC writes:
Like the way the car handle
Back Seats Ranked 2019 Cadillac XTS better.
"More leg room"
Would Buy Ranked 2019 Cadillac XTS better.
"More room inside and a V6 instead of V8 cheaper on gas"
2020 Mercedes-Benz SL-Class
SL 450 RWD
Guru137QX writes:
Back Seats Ranked 2019 Mercedes-Benz E-Class E 450 Cabriolet RWD better.
" E-Class has 4 seats SL 450 only has 2 seats"
Value Ranked 2019 Mercedes-Benz E-Class E 450 Cabriolet RWD worse.
"Only depends what you are looking for, a family or just 2 people"

Specs

2009 Mercedes-Benz CLK-Class
CLK 350 Cabriolet
2020 Mercedes-Benz SL-Class
SL 450 RWD
Powertrain 7-Speed Automatic 9-Speed Automatic
Drivetrain
RWD
RWD
Fuel Economy, City
17 MPG
20 MPG
Fuel Economy, Highway
25 MPG
28 MPG
Fuel Tank Volume 16.4 gal 19.8 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
268 hp @ 6,000 RPM
362 hp @ 5,000 RPM
Torque
258 lb-ft @ 2,400 RPM
369 lb-ft @ 1,500 RPM
Cylinders
6 cylinders
6 cylinders
Compression Ratio
10.7:1
10.5:1
Displacement
3,500 cc
3,000 cc
Bore x Stroke
3.81 in x 3.39 in
3.46 in x 3.23 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard --
Rear Side Airbags Optional --
Curtain Airbags -- Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof -- Standard
Leather Seats Standard Standard
Air Conditioning Standard Standard
CD Player Standard Standard
CD Changer Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 4 seats 2 seats
Front Legroom 42 in 53.6 in
Back Legroom 30.4 in --
Payload and Towing
Cargo Volume 8.6 cu ft 8.5 cu ft
Exterior
Length 183.2 in 182.3 in
Width 68.5 in 82.6 in
Height 55.6 in 51.2 in
Wheelbase 106.9 in 101.8 in

Available Options

2009 Mercedes-Benz CLK-Class
CLK 350 Cabriolet
2020 Mercedes-Benz SL-Class
SL 450 RWD

Exterior Colors

  • Black
  • Brilliant Blue Metallic
  • DESIGNO Cardinal Red Metallic
  • DESIGNO Diamond White Metallic
  • Dolomite Brown Metallic
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • MANUFAKTUR Selenite Grey MAGNO
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic

Option Packages

  • Bang & Olufsen BeoSound Premium Sound System
  • Soft Close Doors
  • Silver Seat Belts
  • AMG Carbon Fiber Trim
  • Designo Black Piano Lacquer Trim
  • Designo Champagne White Lacquer Trim
  • Designo Classic Red Leather Package
  • Red Seat Belts
  • Wood/Leather Steering Wheel
  • AMG Sport Steering Wheel In Leather/DINAMICA
  • Active Body Control (ABC)
  • DESIGNO Deep White/Black Leather Package
  • DESIGNO Light Brown/Black Leather Package
  • DESIGNO Platinum White/Black Leather Package
  • DESIGNO Sand/Black Leather Package
  • DESIGNO Sienna Brown/Black Leather Package
  • DESIGNO Titanium Grey Pearl/Black Leather Package
  • DESIGNO Tuscany Beige Pearl/Black Leather Package
  • Driver Assistance Package
  • Premium Package
  • Designo Bamboo Trim
  • Bengal Red/Black, Exclusive Nappa Leather Upholstery
  • Black Perforated Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Black, Nappa Leather Upholstery
  • Ginger Beige/Espresso, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Perforated Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery
  • Bengal Red/Black, Perforated Nappa Leather Upholstery
  • Ginger Beige/Espresso, Perforated Nappa Leather Upholstery
  • Porcelain/Black, Perforated Nappa Leather Upholstery
  • Saddle Brown/Black, Perforated Nappa Leather Upholstery
  • Magic Sky Control
  • Wheels: 19" AMG Multi-Spoke Alloy

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