For enhanced safety, the front and rear seat shoulder belts of the Genesis G90 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Mercedes CLS has only front height-adjustable seat belts.
To help make backing safer, the G90’s 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 CLS doesn’t offer a cross-path warning system.
Both the G90 and the CLS have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, driver alert monitors and available all wheel drive.
The G90 comes with a full 5 year/60,000 mile basic warranty, which covers the entire car and includes free 24 hour roadside assistance. The CLS’ 4 year/50,000 mile basic warranty expires 1 year and 10,000 miles sooner.
Genesis’ powertrain warranty covers the G90 6 years and 50,000 miles longer than Mercedes covers the CLS. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the CLS ends after only 4 years or 50,000 miles.
The G90’s corrosion warranty is 3 years and unlimited miles longer than the CLS’ (7/unlimited vs. 4/50,000).
Genesis pays for scheduled maintenance on the G90 for 3 years and 36,000 miles. Genesis will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the CLS.
To lower fuel costs and make buying fuel easier, the Genesis G90 uses regular unleaded gasoline (premium recommended for maximum performance). The CLS requires premium, which can cost 20 to 55 cents more per gallon.
For better ride, handling and brake cooling the G90 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the CLS.
For a smoother ride and more stable handling, the G90’s wheelbase is 11.3 inches longer than on the CLS (124.4 inches vs. 113.1 inches).
For better handling and stability, the track (width between the wheels) on the G90 is 1.8 inches wider in the front and .5 inches wider in the rear than on the CLS.
Because it has more passenger and cargo room, the G90 is rated a Large car by the EPA, while the CLS is rated a Compact.
The G90 has standard seating for 5 passengers; the CLS can only carry 4.
The G90 has 21.2 cubic feet more passenger volume than the CLS (113.2 vs. 92).
The G90 has 4.2 inches more front headroom, 4.2 inches more front legroom, 2 inches more front shoulder room, 1.9 inches more rear headroom, 2.8 inches more rear legroom and 1.4 inches more rear shoulder room than the CLS.
For enhanced passenger comfort on long trips the G90 5.0’s rear seats recline. The CLS’ rear seats don’t recline.
The G90 has a much larger trunk than the CLS (15.7 vs. 11 cubic feet).
To make loading groceries and cargo easier when your hands are full, the G90’s trunk can be opened just by holding your hand near the emblem on the trunk, leaving your hands completely free. The CLS doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.
The G90 has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The CLS doesn’t offer a remote starting system.
The G90 has a standard heads-up display which projects speed readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The CLS doesn’t offer a heads-up display.
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the G90 has standard extendable sun visors. The CLS doesn’t offer extendable visors.
The G90 has standard front air conditioned seats and the G90 5.0 also has them in the rear. This keeps the passengers comfortable and takes the sting out of hot seats in Summer. The CLS doesn’t offer air conditioned seats in the rear.
The G90 has a standard heated steering wheel to take the chill out of steering on extremely cold Winter days before the car heater warms up. A heated steering wheel costs extra on the CLS.