2019 Mercedes C-Class Sedan vs. 2019 Genesis G70

Detailed Review, Specifications & Comparison

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Safety

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 Genesis G70 doesn’t offer pretensioners for the rear seat belts.

The C-Class Sedan’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The G70 doesn’t offer pre-crash pretensioners.

Both the C-Class Sedan and the G70 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, around view monitors and rear cross-path warning.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the C-Class Sedan the rating of “Top Pick” for 2017, a rating granted to only 139 vehicles tested by the IIHS. The G70 has not been tested, yet.

Engine

The C-Class Sedan has more powerful engines than the G70:

 

Horsepower

Torque

C 300 Sedan 2.0 turbo 4 cyl.

255 HP

273 lbs.-ft.

AMG C 43 Sedan 3.0 turbo V6

385 HP

384 lbs.-ft.

G70 2.0T turbo 4 cyl.

252 HP

260 lbs.-ft.

G70 Manual 2.0T turbo 4 cyl.

255 HP

260 lbs.-ft.

G70 3.3T turbo V6

365 HP

376 lbs.-ft.

Fuel Economy and Range

On the EPA test cycle the C-Class Sedan gets better fuel mileage than the G70:

 

 

C-Class

G70

 

RWD

 

n/a

18 city/28 hwy

2.0T/Manual

 

300/Auto

23 city/34 hwy

22 city/30 hwy

2.0T/Auto

 

 

n/a

18 city/26 hwy

3.3T/Auto

AWD

300/Auto

22 city/33 hwy

21 city/28 hwy

2.0T/Auto

 

 

n/a

18 city/25 hwy

3.3T/Auto

Regardless of its engine, the C-Class Sedan’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Genesis only offers an automatic engine start/stop system on the G70 2.0T Automatic.

The C-Class Sedan has 1.6 gallons more fuel capacity than the G70 (17.4 vs. 15.8 gallons), for longer range between fill-ups.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes C-Class Sedan higher (5 out of 10) than the Genesis G70 (3). This means the C-Class Sedan produces up to 16.5 pounds less smog-producing pollutants than the G70 every 15,000 miles.

Brakes and Stopping

For better stopping power the C-Class Sedan’s front brake rotors are larger than those on the G70:

 

C 300

AMG C 43

G70 2.0T

G70 3.3T/6-speed

Front Rotors

13 inches

14.2 inches

12.6 inches

13.8 inches

The C-Class Sedan stops shorter than the G70:

 

C-Class

G70

 

70 to 0 MPH

160 feet

164 feet

Car and Driver

Tires and Wheels

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 G70 doesn’t offer run-flat tires.

Suspension and Handling

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 G70 doesn’t offer drift compensation steering.

Chassis

The front grille of the C-Class Sedan uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The G70 doesn’t offer active grille shutters.

Passenger Space

The C-Class Sedan has .2 inches more rear headroom, .4 inches more rear legroom and .4 inches more rear shoulder room than the G70.

Cargo Capacity

The C-Class Sedan has a much larger trunk than the G70 (12.6 vs. 10.5 cubic feet).

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the C-Class offers cargo security. The G70’s non-lockable folding seat and non-lockable remote release defeat cargo security.

To make loading and unloading groceries and cargo easier, especially for short adults, the C-Class Sedan offers an optional power trunk, which opens and closes automatically by pressing a button or just by kicking your foot under the back bumper, completely leaving your hands free. The G70 doesn’t offer a power trunk, so its trunk has to be closed manually.

Ergonomics

Unlike the driver-only memory system in the G70 3.3T/Elite/Prestige/Dynamic/Sport, the C-Class Sedan offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The C-Class Sedan’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. An easy entry system costs extra on the G70.

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 G70 can only operate the windows from inside the vehicle, with the ignition on.

The C-Class Sedan’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The G70’s standard manually variable intermittent wipers have to be constantly adjusted.

A power rear sunshade is optional in the C-Class Sedan to help block heat and glare for the rear passengers. The G70 doesn’t offer a rear sunshade.

The C-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 G70 doesn’t offer an automated parking system.

Model Availability

The Mercedes C-Class comes in coupe, convertible and sedan bodystyles; the Genesis G70 isn’t available as a coupe or convertible.

Recommendations

The C-Class Sedan was chosen as one of Automobile Magazine’s “All Stars” in 2015. The G70 has never been an “All Star.”

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

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