2019 Mazda MX-5 Miata vs. 2019 Mercedes C-Class Cabriolet

Detailed Review, Specifications & Comparison

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Safety

Both the MX-5 Miata 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, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems and rear cross-path warning.

Warranty

Mazda’s powertrain warranty covers the MX-5 Miata 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 over 52 percent more Mazda dealers than there are Mercedes dealers, which makes it much easier should you ever need service under the MX-5 Miata’s warranty.

Reliability

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the MX-5 Miata’s reliability 45 points higher than the C-Class Cabriolet.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mazda vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Mazda 14th in reliability. With 3 more problems per 100 vehicles, Mercedes is ranked 15th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Mazda vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Mazda third in reliability. Mercedes is ranked 17th.

Fuel Economy and Range

On the EPA test cycle the MX-5 Miata gets better fuel mileage than the C-Class Cabriolet:

 

 

 

MPG

MX-5 Miata

RWD

Manual

2.0 DOHC 4 cyl.

26 city/34 hwy

 

Auto

2.0 DOHC 4 cyl.

26 city/35 hwy

C-Class Cabriolet

RWD

Auto

300 2.0 turbo 4 cyl.

21 city/29 hwy

AWD

Auto

300 2.0 turbo 4 cyl.

21 city/29 hwy

To lower fuel costs and make buying fuel easier, the Mazda MX-5 Miata uses regular unleaded gasoline (premium recommended for maximum performance). The C-Class Cabriolet requires premium, which can cost 20 to 55 cents more per gallon.

Transmission

The MX-5 Miata 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 MX-5 Miata stops shorter than the C-Class Cabriolet:

 

MX-5 Miata

C-Class

 

70 to 0 MPH

156 feet

158 feet

Car and Driver

Suspension and Handling

For better maneuverability, the MX-5 Miata’s turning circle is 6 feet tighter than the C 300 Cabriolet’s (30.8 feet vs. 36.8 feet). The MX-5 Miata’s turning circle is 8.9 feet tighter than the AMG C 43 Cabriolet’s (30.8 feet vs. 39.7 feet).

Chassis

The Mazda MX-5 Miata may be more efficient, handle and accelerate better because it weighs about 1500 to 1750 pounds less than the Mercedes C-Class Cabriolet.

The MX-5 Miata is 2 feet, 6.4 inches shorter than the AMG C 43 Cabriolet, making the MX-5 Miata easier to handle, maneuver and park in tight spaces.

The MX-5 Miata's optional power retractable hardtop allows a seamless transition from an open car, to a completely sealed coupe. The C-Class Cabriolet doesn’t offer a retractable hardtop.

Recommendations

Consumer Reports® recommends the Mazda MX-5 Miata, based on reliability, safety and performance.

J.D. Power and Associates rated the MX-5 Miata second among compact sporty cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The C-Class Cabriolet isn’t in the top three.

The MX-5 Miata was chosen as one of Car and Driver’s “Top Ten” for 16 of the last 28 years. The C-Class Cabriolet has never been a Car and Driver “Top Ten” pick.

The MX-5 Miata was chosen as one of Automobile Magazine’s “All Stars” for 8 of the last 25 years. The C-Class Cabriolet has never been an “All Star.”

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

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