2020 Mercedes C-Class Coupe vs. 2020 BMW 8 Series

Detailed Review, Specifications & Comparison

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Safety

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For enhanced safety, the front and rear seat shoulder belts of the Mercedes C-Class Coupe have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The BMW 8 Series doesn’t offer pretensioners for the rear seat belts.

Both the C-Class Coupe and the 8 Series have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors, available all wheel drive, lane departure warning systems, around view monitors and rear cross-path warning.

Warranty

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There are over 10 percent more Mercedes dealers than there are BMW dealers, which makes it easier should you ever need service under the C-Class Coupe’s warranty.

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Mercedes vehicles are better in initial quality than BMW vehicles. J.D. Power ranks Mercedes 12th in initial quality. With 8 more problems per 100 vehicles, BMW is ranked 20th.

Fuel Economy and Range

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On the EPA test cycle the C 300 4MATIC gets better fuel mileage than the 840i Coupe xDrive (21 city/30 hwy vs. 21 city/27 hwy).

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes C-Class Coupe higher (6 out of 10) than the BMW 8 Series (3). This means the C-Class Coupe produces up to 23.4 pounds less smog-producing pollutants than the 8 Series every 15,000 miles.

Transmission

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A nine-speed automatic is standard on the Mercedes C-Class Coupe, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the 8 Series.

Brakes and Stopping

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The C-Class Coupe stops shorter than the 8 Series:

C-Class

8 Series

60 to 0 MPH

109 feet

111 feet

Motor Trend

Tires and Wheels

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The C-Class Coupe 300 has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the 8 Series; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.

Suspension and Handling

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The C-Class Coupe’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The 8 Series doesn’t offer drift compensation steering.

For better maneuverability, the C 300’s turning circle is 1.4 feet tighter than the 8 Series’ (36.8 feet vs. 38.2 feet). The C 300’s turning circle is 2.2 feet tighter than the 8 Series xDrive’s (36.8 feet vs. 39 feet).

Chassis

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The Mercedes C-Class Coupe may be more efficient, handle and accelerate better because it weighs about 350 to 1050 pounds less than the BMW 8 Series.

The C-Class Coupe is 6.7 inches shorter than the 8 Series, making the C-Class Coupe easier to handle, maneuver and park in tight spaces.

Passenger Space

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The C-Class Coupe has 2 inches more rear headroom, 2.5 inches more rear legroom and 4.8 inches more rear shoulder room than the 8 Series Coupe.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than BMW. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 23% lower rating, BMW is ranked 11th.

Ergonomics

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To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the C-Class Coupe has standard extendable sun visors. The 8 Series doesn’t offer extendable visors.

Economic Advantages

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Insurance will cost less for the C-Class Coupe owner. The Complete Car Cost Guide estimates that insurance for the C-Class Coupe will cost $5225 to $5850 less than the 8 Series over a five-year period.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Mercedes C-Class Coupe will be $59589 to $61864 less than for the BMW 8 Series.

Recommendations

© 1999 - 2020 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 2020/07/13

Consumer Reports® recommends the Mercedes C-Class Coupe, based on reliability, safety and performance.

J.D. Power and Associates rated the C-Class Coupe first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The 8 Series isn’t in the top three.

The Mercedes C-Class outsold the BMW 8 Series by almost 24 to one during the 2019 model year.

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