2019 Buick Cascada vs. 2019 Mercedes C-Class Cabriolet

Detailed Review, Specifications & Comparison

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Safety

The Cascada 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 Cascada and the C-Class Cabriolet have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available collision warning systems, lane departure warning systems and front parking sensors.

Warranty

Buick’s powertrain warranty covers the Cascada 2 years and 20,000 miles longer than Mercedes covers the C-Class Cabriolet. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the C-Class Cabriolet ends after only 4 years or 50,000 miles.

The Cascada’s corrosion warranty is 1 year longer than the C-Class Cabriolet’s (6 vs. 5 years).

Buick pays for scheduled maintenance on the Cascada for 2 years and 24,000 miles. Buick will pay for oil changes, lubrication and any other required maintenance (up to 2 oil changes). Mercedes doesn’t pay scheduled maintenance for the C-Class Cabriolet.

There are over 5 times as many Buick dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Cascada’s warranty.

Reliability

The Buick Cascada’s engine uses a cast iron block for durability, while the C-Class Cabriolet’s engines use an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Buick vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Buick third in reliability, above the industry average. With 31 more problems per 100 vehicles, Mercedes is ranked 15th.

Fuel Economy and Range

To lower fuel costs and make buying fuel easier, the Buick Cascada 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.

Tires and Wheels

For better traction, the Cascada has larger tires than the C-Class Cabriolet (245/40R20 vs. 225/45R18).

The Cascada’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the C-Class Cabriolet’s standard 45 series front tires.

For better ride, handling and brake cooling the Cascada has standard 20-inch wheels. Smaller 18-inch wheels are standard on the C-Class Cabriolet. The C-Class Cabriolet’s largest wheels are only 19-inches.

Suspension and Handling

For better handling and stability, the track (width between the wheels) on the Cascada is .2 inches wider in the front and 1.4 inches wider in the rear than the average track on the C-Class Cabriolet.

Passenger Space

The Cascada has .2 inches more front legroom, .5 inches more rear headroom and .8 inches more rear legroom than the C-Class Cabriolet.

Cargo Capacity

The Cascada has a much larger trunk with its top down than the C-Class Cabriolet with its top down (9.8 vs. 7 cubic feet). The Cascada has a much larger trunk with its top up than the C-Class Cabriolet with its top up (13.4 vs. 8.8 cubic feet).

Pressing a switch automatically lowers the Cascada’s rear seats, to make changing between passengers and cargo easier. The C-Class Cabriolet doesn’t offer automatic folding seats.

Ergonomics

The Cascada has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the C-Class Cabriolet.

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

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