2018 Mercedes-Benz C300

Research, photos, specs, and expertise

Mercedes-Benz C300 highlights

Customer rating


  • Stunning interior
  • Multiple powerful engine options
  • Standard nine-speed automatic transmission


  • Clumsy infotainment system
  • Stiff standard suspension

Mileage (EPA estimate)

22 city, 29 highway, 25 combined

Pricing for current inventory

(no current inventory)


All Mercedes-Benz C300 years

What is new for the 2018 Mercedes-Benz C300?

  • C300 trims have been upgraded with Sunroof(s), Parking Sensors, and Leatherette & Cloth as standard equipment this year.
  • Android Auto and Apple CarPlay features are now available as options on select trims.

2018 Mercedes-Benz C300 trims

Curious how Mercedes-Benz C300 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities


5 reasons to buy the 2018 Mercedes-Benz C300

1. Attractive exterior styling

It's often said that taste is subjective and that there should be no arguing about what looks good or bad, but that doesn't seem to apply when it comes to most cars from the Mercedes-Benz family. There is a consensus that almost all Mercedes-Benz models are objectively beautiful, and the C300 is no exception. The 2018 Mercedes-Benz C300 catches your eye with a wonderful profile with graceful lines throughout and a curved tail, to go along with the flared air intakes and the imposing upright front grille. It's a gorgeous vehicle, that's perfect for you if you want to stand out and turn heads whenever you hit the road.

2. Exciting performance

In addition to being beautiful, the 2018 Mercedes-Benz C300 is powerful and exciting to drive. The base sedan comes standard with a turbocharged 2.0L four-cylinder engine paired with a nine-speed automatic transmission. This powertrain generates 241 hp and 273 lb-ft of torque. With this kind of power, you can get from zero to 60 mph in just 5.8 seconds, according to the manufacturer's estimates. These specs make the 2018 Mercedes-Benz C-300 a great choice for all performance enthusiasts who enjoy a thrilling driving experience.

3. Refined and luxury interior

The attractive styling and the great performance abilities of the 2018 Mercedes-Benz C300 are perfectly complimented by the upscale interior. With seating for five, the cabin of the 2018 C300 is comfortable and inviting, with standard synthetic leather upholstery, and various surfaces covered with nickel-finished metal and rich wood trim. You also get a standard power-adjustable driver's seat, which is a convenient way to help you find the best driving position without a problem.

4. Standard connectivity features

As far as technology is concerned, the 2018 Mercedes-Benz C300 comes standard with plenty of features designed to improve the overall riding experience for you and your passengers. For starters, it's equipped with a 7-inch infotainment display, Bluetooth® connectivity, and two USB ports. It also comes standard with dual-zone automatic climate control and a proximity key, while smartphone integration and navigation are available options.

5. Driver-assistance technology

The 2018 Mercedes-Benz C300 is very well equipped when it comes to driver-assistance technology, too. It comes standard with a couple of systems that help you maintain better control of the vehicle and navigate tricky conditions. These include the collision warning with brake assist, the driver drowsiness monitoring and the crosswind assist systems. What's more, it's equipped with the German car maker's preventative sensor-laden system, which prepares the car and the passengers for an impending collision by closing windows and tightening seat belts.

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Ratings & reliability

Customer ratings

The 2018 Mercedes-Benz C300 is a luxury car that customers like for its style, quality, safety and comfort. Customers also like the car's smooth ride on the highway and say it would be comfortable enough to drive all day.
Above Average

RepairPal gave the Mercedes-Benz C300 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Above Average. This rating ranks Mercedes-Benz C300 20th out of 68 among Luxury Midsize Cars.

View RepairPal's full rating of the Mercedes-Benz C300

Mercedes-Benz C300 features and specs

(no trim) 2WD 2D Convertible

Standard Features

  • 6002
  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Automatic Transmission
  • Auxiliary Audio Input
  • Blind Spot Monitor
  • Bluetooth Technology
  • CD Audio
  • Cruise Control
  • Front Seat Heaters
  • Leatherette & Cloth
  • Leatherette Seats
  • Memory Seat(s)
  • Overhead Airbags
  • Parking Sensors
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear Defroster
  • Rear View Camera
  • Run Flat Tires
  • Side Airbags
  • Smart Key
  • Soft Top
  • Traction Control
  • Turbo Charged Engine
  • A/C Seat(s)
  • Android Auto
  • Apple CarPlay
  • Automated Cruise Control
  • Blind Spot Monitor
  • Burmester Audio
  • Front Seat Heaters
  • Head Up Display
  • Heated Steering Wheel
  • Lane Departure Warning
  • Leather Seats
  • Leatherette Seats
  • Navigation System
  • Satellite Radio Ready

Drive Wheels

Rear Wheel Drive (2WD)

Engine size




Torque (ft-lbs)


Engine type

Turbo Gas

Fuel capacity




Overall length






Leg room

F 42"/R 32"

Head room

F 38.8"/R 35.6"

Front tires


Rear tires


Seating capacity




2018 Mercedes-Benz C300 FAQ

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