2019 Nissan 370Z vs. 2019 Mercedes C-Class Cabriolet

Detailed Review, Specifications & Comparison

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The 370Z has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The C-Class Cabriolet doesn’t offer a whiplash protection system.

Both the 370Z and the C-Class Cabriolet have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.


Nissan’s powertrain warranty covers the 370Z 1 year and 10,000 miles longer than Mercedes covers the C-Class Cabriolet. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the C-Class Cabriolet ends after only 4 years or 50,000 miles.

There are almost 3 times as many Nissan dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the 370Z’s warranty.


J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Nissan vehicles are better in initial quality than Mercedes vehicles. J.D. Power ranks Nissan 10th in initial quality, above the industry average. With 7 more problems per 100 vehicles, Mercedes is ranked 14th.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Nissan vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Nissan 10th in reliability, above the industry average. With 14 more problems per 100 vehicles, Mercedes is ranked 15th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Nissan vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Nissan 3 places higher in reliability than Mercedes.


The 370Z’s standard 3.7 DOHC V6 produces 77 more horsepower (332 vs. 255) than the C 300 Cabriolet’s standard 2.0 turbo 4 cyl.

Fuel Economy and Range

The 370Z has 1.6 gallons more fuel capacity than the C-Class Cabriolet (19 vs. 17.4 gallons), for longer range between fill-ups.


The 370Z offers a manual transmission for better acceleration, control and fuel economy. The C-Class Cabriolet doesn’t offer a manual transmission.

Brakes and Stopping

The 370Z stops shorter than the C-Class Cabriolet:



C-Class Cabriolet


70 to 0 MPH

156 feet

158 feet

Car and Driver

Tires and Wheels

For better traction, the 370Z NISMO Coupe’s tires are larger than the largest tires available on the C-Class Cabriolet (F:245/40R19 & R:285/35R19 vs. F:225/45R18 & R:245/40R18).

Suspension and Handling

For better handling and stability, the average track (width between the wheels) on the 370Z is 1.1 inches wider in the rear than the average track on the C-Class Cabriolet.

The 370Z Touring Roadster handles at .95 G’s, while the C 300 Cabriolet pulls only .94 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the 370Z’s turning circle is 4 feet tighter than the C 300 Cabriolet’s (32.8 feet vs. 36.8 feet). The 370Z Sport/NISMO’s turning circle is 5.6 feet tighter than the AMG C 43 Cabriolet’s (34.1 feet vs. 39.7 feet).


The Nissan 370Z may be more efficient, handle and accelerate better because it weighs about 500 to 700 pounds less than the Mercedes C-Class Cabriolet.

The 370Z is 1 foot, 5 inches shorter than the AMG C 43 Cabriolet, making the 370Z easier to handle, maneuver and park in tight spaces.

To almost totally eliminate engine vibration in the passenger area, the 370Z has an electronically controlled liquid-filled main engine mount. A computer-controlled electric current in the liquid changes its viscosity, allowing the mount to dampen the engine completely at all RPMs. The C-Class Cabriolet uses conventional solid rubber engine mounts.

The 370Z Sport/Sport Touring/NISMO uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The C-Class Cabriolet doesn’t offer active noise cancellation.


Consumer Reports® recommends the Nissan 370Z, based on reliability, safety and performance.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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