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

Select a car to compare

Cancel
Change

Select a car to compare

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

Select a car to compare

Cancel
+

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

New Car Pricing New listing price comparison and analysis.

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
MSRP
$56,700
Invoice
$53,298
Average Price Paid
$55,705
15 listings nationwide

Shop

2020 Mercedes-Benz SL-Class
SL 450 RWD
Incentives Find if there are incentives in your area. Enter your zip code
2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
No Data Available
2020 Mercedes-Benz SL-Class
SL 450 RWD
No Data Available

Used Car Pricing Used listing price comparison and analysis.

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
CarGurus Instant Market Value
$68,180
1 listings nationwide

Shop

2020 Mercedes-Benz SL-Class
SL 450 RWD
CarGurus Instant Market Value
$87,194
3 listings nationwide

Shop

Expert Reviews Reviews from CarGurus experts.

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
No Expert Reviews
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.

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
Aldo writes:
It was good
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

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
2020 Mercedes-Benz SL-Class
SL 450 RWD
Powertrain 9-Speed Automatic 9-Speed Automatic
Drivetrain
AWD
RWD
Fuel Economy, City
22 MPG
20 MPG
Fuel Economy, Highway
30 MPG
28 MPG
Fuel Tank Volume 17.4 gal 19.8 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
255 hp @ 5,800 RPM
362 hp @ 5,000 RPM
Torque
273 lb-ft @ 1,800 RPM
369 lb-ft @ 1,500 RPM
Cylinders
4 cylinders
6 cylinders
Compression Ratio
10.5:1
10.5:1
Displacement
2,000 cc
3,000 cc
Bore x Stroke
3.27 in x 3.62 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 Standard --
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof -- Standard
Leather Seats -- Standard
Air Conditioning Standard Standard
CD Player -- Standard
CD Changer -- 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 32 in --
Payload and Towing
Cargo Volume 8.8 cu ft 8.5 cu ft
Maximum Payload 882 lbs --
Exterior
Length 184.5 in 182.3 in
Width 79.4 in 82.6 in
Height 55.8 in 51.2 in
Wheelbase 111.8 in 101.8 in

Available Options

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD

Exterior Colors

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

Option Packages

  • AMG Line
  • DESIGNO Bengal Red Nappa Leather Package
  • Driver Assistance Package
  • Exterior Lighting Package
  • Head-Up Display
  • MB Entry Navigation
  • Multimedia Package
  • Parking Assistance Package
  • Black, Leather Upholstery
  • Cranberry Red, Leather Upholstery
  • Magma Grey/Black, Leather Upholstery
  • Porcelain/Black, Leather Upholstery
  • Saddle Brown/Black, Leather Upholstery
  • Wheels: 19" 10-Spoke
  • Wheels: 19" AMG MULTISPOKE
  • Wheels: 19" AMG MULTISPOKE W/Black Accents
  • Wheels: 19" AMG Twin 5-Spoke W/Black Accents
  • Wheels: 19" Twin 5-Spoke
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 Cardinal Red Metallic
  • MANUFAKTUR Diamond White 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

Related Comparisons