2020 Mercedes C-Class Sedan vs. 2020 Kia K900

Detailed Review, Specifications & Comparison

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Safety

© 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 2020/04/06

For enhanced safety, the front and rear seat shoulder belts of the Mercedes C-Class Sedan have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision. The Kia K900 doesn’t offer pretensioners for the rear seat belts.

The C-Class Sedan has standard Mercedes-Benz Emergency Call, which uses a global positioning satellite (GPS) receiver and a cellular system to get turn-by-turn driving directions, remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The K900 doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the C-Class Sedan and the K900 have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rearview cameras, driver alert monitors, available all wheel drive, lane departure warning systems, around view monitors and rear cross-path warning.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, with its optional front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the C-Class Sedan its highest rating: “Top Pick Plus” for 2019, a rating granted to only 54 vehicles tested by the IIHS. The K900 has not been tested, yet.

Warranty

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The C-Class Sedan’s 5 year corrosion warranty has no mileage limitations, but the corrosion warranty on the K900 runs out after 100,000 miles.

Fuel Economy and Range

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On the EPA test cycle the C-Class Sedan gets better fuel mileage than the TLX:

MPG

C-Class Sedan

RWD

2.0 turbo 4-cyl.

24 city/35 hwy

AWD

2.0 turbo 4-cyl.

23 city/33 hwy

K900

AWD

3.3 turbo V6

18 city/25 hwy

Transmission and Drivetrain

© 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 2020/04/06

A nine-speed automatic is standard on the Mercedes C-Class Sedan, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the K900.

The C-Class Sedan has 4-ETS, a true all-wheel-drive system, which uses a four wheel traction control system to redirect engine power to the axle and wheel that still has traction to keep the C-Class Sedan moving if even only one wheel still has traction. The K900 doesn’t offer a true all-wheel drive system; it could get stuck while one or more wheels still have traction.

Brakes and Stopping

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The C-Class Sedan’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the K900 are solid, not vented.

The C-Class Sedan stops much shorter than the K900:

C-Class

K900

60 to 0 MPH

105 feet

121 feet

Motor Trend

Tires and Wheels

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The C-Class Sedan’s optional 225/40R19 front and 255/35R19 rear tires provide better handling because they have a lower 40 series front and 35 series rear profile (height to width ratio) that provides a stiffer sidewall than the K900’s 45 series front and 40 series rear tires.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the C-Class Sedan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The K900 doesn’t offer run-flat tires.

Suspension and Handling

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The C-Class Sedan’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 K900 doesn’t offer drift compensation steering.

The C 300 Sedan handles at .91 G’s, while the K900 pulls only .87 G’s of cornering force in a Motor Trend skidpad test.

For better maneuverability, the C-Class Sedan’s turning circle is 2.4 feet tighter than the K900’s (36.8 feet vs. 39.2 feet).

Chassis

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The Mercedes C-Class Sedan may be more efficient, handle and accelerate better because it weighs about 1050 to 1200 pounds less than the Kia K900.

The C-Class Sedan is 1 foot, 5.1 inches shorter than the K900, making the C-Class Sedan easier to handle, maneuver and park in tight spaces.

Cargo Capacity

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The C-Class Sedan’s standard rear seats fold to accommodate long and bulky cargo. The K900 doesn’t offer folding rear seats, only a ski pass-through.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Kia. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 45% lower rating, Kia is ranked 20th.

Ergonomics

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If the windows are left open on the C-Class Sedan the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the K900 can only operate the windows from inside the vehicle, with the ignition on.

The C-Class Sedan’s optional Active Parking Assist can parallel park or back into a parking spot by itself, stopping and changing direction automatically. The K900 doesn’t offer an automated parking system.

Model Availability

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The Mercedes C-Class comes in coupe, convertible and sedan bodystyles; the Kia K900 isn’t available as a coupe or convertible.

The C-Class Sedan is available in both rear-wheel drive and all-wheel drive configurations. The K900 doesn’t offer a two-wheel drive configuration.

Economic Advantages

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Insurance will cost less for the C-Class Sedan owner. The Complete Car Cost Guide estimates that insurance for the C-Class Sedan will cost $555 to $4450 less than the K900 over a five-year period.

The C-Class Sedan will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the C-Class Sedan will retain 36.56% to 37.71% of its original price after five years, while the K900 only retains 27.93%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Mercedes C-Class Sedan will be $8970 to $27630 less than for the Kia K900.

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 2020/04/06

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

J.D. Power and Associates rated the C-Class Sedan first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The K900 isn’t in the top three.

The C-Class Sedan was chosen as one of Automobile Magazine’s “All Stars” in 2015. The K900 has never been an “All Star.”

The Mercedes C-Class outsold the Kia K900 by over 139 to one during the 2019 model year.

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