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

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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
$55,904
16 listings nationwide

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2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
No Data Available
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
2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
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
$66,665
2 listings nationwide

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2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
CarGurus Instant Market Value
$221,580
3 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
No Expert Reviews
2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
Michael Perkins Preview:

The gull-wing Mercedes will get a swan song in the SLS AMG GT Final Edition. Of course if you decide to go with the roadster version, you’ll forgo the divisive gull wings altogether, b...

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
2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
No User Reviews

Specs

2021 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
2015 Mercedes-Benz SLS-Class
AMG GT Final Edition
Powertrain 9-Speed Automatic 7-Speed Dual Clutch
Drivetrain
AWD
RWD
Fuel Economy, City
22 MPG
13 MPG
Fuel Economy, Highway
30 MPG
19 MPG
Fuel Tank Volume 17.4 gal 22.5 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
255 hp @ 5,800 RPM
583 hp @ 6,800 RPM
Torque
273 lb-ft @ 1,800 RPM
479 lb-ft @ 4,750 RPM
Cylinders
4 cylinders
8 cylinders
Compression Ratio
10.5:1
11.3:1
Displacement
2,000 cc
6,300 cc
Bore x Stroke
3.27 in x 3.62 in
4.02 in x 3.72 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Rear Side Airbags Standard --
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
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 39.1 in
Back Legroom 32 in --
Payload and Towing
Cargo Volume 8.8 cu ft 6.2 cu ft
Maximum Payload 882 lbs --
Exterior
Length 184.5 in 182.6 in
Width 79.4 in 81.8 in
Height 55.8 in 49.7 in
Wheelbase 111.8 in 105.5 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
2015 Mercedes-Benz SLS-Class
AMG GT Final Edition

Exterior Colors

  • AMG IMOLA Gray
  • DESIGNO Mystic White II
  • Iridium Silver
  • Mars Red
  • Obsidian Black

Option Packages

  • AMG Carbon Ceramic Braking System
  • AMG Performance Media
  • Bang & Olufsen Sound System
  • Carbon Fiber Side Mirror Covers
  • Extended Interior Carbon Fiber Package
  • Wheels: 19" Front & 20" Rear 10-Spoke Matte Black

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