2019 Mercedes E-Class Sedan vs. 2019 Kia K900

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front and rear seat shoulder belts of the Mercedes E-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 rear seatbelts optional on the E-Class Sedan inflate when a collision is detected, helping to spread crash forces over a much larger area of the body and limiting head and neck movement. This can help prevent spinal and internal injuries. The K900 doesn’t offer inflatable seatbelts.

To help make backing safer, the E-Class Sedan’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The K900 doesn’t offer a cross-path warning system.

The E-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 E-Class Sedan and the K900 have standard driver and passenger frontal airbags, front 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, rearview cameras, driver alert monitors, available all wheel drive, lane departure warning systems, blind spot warning systems and around view monitors.

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the E-Class Sedan its highest rating: “Top Pick Plus” for 2018, a rating granted to only 28 vehicles tested by the IIHS. The K900 has not been tested, yet.

Warranty

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

Engine

The AMG E 53 Sedan’s standard 3.0 turbo 6 cyl. hybrid produces 64 more horsepower (429 vs. 365) and 8 lbs.-ft. more torque (384 vs. 376) than the K900’s 3.3 turbo V6.

Fuel Economy and Range

On the EPA test cycle the AMG E 53 Sedan gets better fuel mileage than the K900 (21 city/28 hwy vs. 18 city/25 hwy).

On the EPA test cycle the E-Class Sedan gets better fuel mileage than the K900:

 

 

E-Class

K900

 

RWD

300/Auto

22 city/30 hwy

n/a

 

AWD

300/Auto

21 city/29 hwy

18 city/25 hwy

V6/Auto

 

450/Auto

20 city/28 hwy

n/a

 

Regenerative brakes improve the E-Class Sedan 53 AMG’s fuel efficiency by converting inertia back into energy instead of wasting it. The K900 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the E-Class Sedan’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The K900 doesn’t offer an automatic engine start/stop system.

Transmission

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

Brakes and Stopping

For better stopping power the AMG E 53 Sedan’s front brake rotors are larger than those on the K900:

 

AMG E 53

K900

Front Rotors

14.6 inches

14.2 inches

Rear Rotors

14.2 inches

13.4 inches

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

Tires and Wheels

The E-Class Sedan’s optional 245/40R19 front and 275/35R19 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 E-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

The E-Class Sedan has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The E-Class Sedan’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The K900 doesn’t offer a load leveling suspension.

The E-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.

Chassis

The E-Class Sedan is 7.8 inches shorter than the K900, making the E-Class Sedan easier to handle, maneuver and park in tight spaces.

Cargo Capacity

The E-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

J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Kia. J.D. Power ranks Mercedes 6th in service department satisfaction (above the industry average). With a 42% lower rating, Kia is ranked 18th.

Ergonomics

Heated windshield washer fluid is standard on the E-Class Sedan to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The K900 doesn’t offer heated windshield washer fluid.

To better shield the driver and front passenger’s vision, the E-Class Sedan has standard dual-element sun visors that can block glare from two directions simultaneously. The K900 doesn’t offer secondary sun visors.

The E-Class Sedan’s optional Active Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The K900 doesn’t offer an automated parking system.

Model Availability

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

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

Recommendations

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

The E-Class was chosen as one of Car and Driver’s “Top Ten” in 2018. The K900 has never been a Car and Driver “Top Ten” pick.

The Mercedes E-Class outsold the Kia K900 by over 126 to one during the 2018 model year.

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

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