2020 MINI Cooper Convertible vs. 2019 Mercedes SLC

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

Both the Cooper Convertible and the SLC have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras and available front parking sensors.

Warranty

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The Cooper Convertible’s corrosion warranty is 7 years longer than the SLC’s (12 vs. 5 years).

MINI pays for scheduled maintenance on the Cooper Convertible for 3 years and 36,000 miles. MINI will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the SLC.

Reliability

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

J.D. Power and Associates rated the Cooper Convertible first among compact sporty cars in their 2019 Initial Quality Study. The SLC isn’t in the top three in its category.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that MINI vehicles are more reliable than Mercedes vehicles. J.D. Power ranks MINI 6th in reliability, above the industry average. With 15 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports December 2018 Auto Issue reports that MINI vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks MINI 8 places higher in reliability than Mercedes.

Fuel Economy and Range

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

On the EPA test cycle the John Cooper Works Convertible 2.0 turbo 4 cyl. (228 HP) gets better fuel mileage than the SLC 300 (25 city/33 hwy vs. 23 city/32 hwy).

Regenerative brakes improve the Cooper Convertible’s fuel efficiency by converting inertia back into energy instead of wasting it. The SLC doesn’t offer a regenerative braking system.

Transmission

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The Cooper Convertible offers a manual transmission for better acceleration, control and fuel economy. The SLC doesn’t offer a manual transmission.

The Cooper Convertible offers an optional sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The SLC doesn’t offer an SMG.

Tires and Wheels

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Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the Cooper Convertible can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The SLC doesn’t offer run-flat tires.

Suspension and Handling

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

For a smoother ride and more stable handling, the Cooper Convertible’s wheelbase is 2.5 inches longer than on the SLC (98.2 inches vs. 95.7 inches).

Chassis

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The MINI Cooper Convertible may be more efficient, handle and accelerate better because it weighs about 450 to 500 pounds less than the Mercedes SLC.

The Cooper Convertible is 11.7 inches shorter than the SLC, making the Cooper Convertible easier to handle, maneuver and park in tight spaces.

Passenger Space

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The Cooper Convertible has standard seating for 4 passengers; the SLC can only carry 2.

The Cooper Convertible has 27.2 cubic feet more passenger volume than the SLC (76 vs. 48.8).

Ergonomics

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The Cooper Convertible offers an optional heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The SLC doesn’t offer a heads-up display.

The Cooper Convertible’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The SLC’s rear power window switches have to be held the entire time to close them fully.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the MINI Cooper offers an optional wireless phone charging system (Qi) in the center console. The SLC doesn’t offer wireless personal charging.

The Cooper Convertible’s optional Parking Assistant can parallel park by itself, with the driver only controlling speed with the brake pedal. The SLC doesn’t offer an automated parking system.

Model Availability

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

The MINI Cooper comes in coupe, convertible and four-door hatchback bodystyles; the Mercedes SLC isn’t available as a coupe or four-door.

Economic Advantages

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

Insurance will cost less for the Cooper Convertible owner. The Complete Car Cost Guide estimates that insurance for the Cooper Convertible will cost $1445 less than the SLC over a five-year period.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the MINI Cooper Convertible will be $21667 to $21860 less than for the Mercedes SLC.

Recommendations

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/11/22

J.D. Power and Associates rated the Cooper Convertible first among compact sporty cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The SLC isn’t in the top three in its category.

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

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