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For enhanced safety, the front and rear seat shoulder belts of the Mercedes AMG S-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 Nissan GT-R doesn’t offer pretensioners for the rear seat belts.
The AMG S-Class Coupe’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The GT-R doesn’t offer pre-crash pretensioners.
The AMG S-Class Coupe has standard front and rear seat side-impact airbags and head airbags, which act as a forgiving barrier between the passengers and the door. Combined with high-strength steel door beams this system increases protection from broadside collisions. The GT-R doesn't offer rear-seat side-impact airbags, only ones for front seat occupants.
The AMG S-Class Coupe has standard NECK-PRO Front Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the NECK-PRO Front Head Restraints system moves the headrests forward to prevent neck and spine injuries. The GT-R doesn’t offer a whiplash protection system.
The AMG S-Class Coupe has standard Active Brake Assist, which use forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The GT-R doesn't offer collision warning or crash mitigation brakes.
An active infrared night vision system optional on the AMG S-Class Coupe helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera and near-infrared lights to detect heat, the system then displays the image on a monitor in the dashboard and even aims one of the vehicle’s headlights in the direction of the person or object. The GT-R doesn’t offer a night vision system.
The AMG S-Class Coupe’s lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane. The GT-R doesn’t offer a lane departure warning system.
The AMG S-Class Coupe has a standard Surround View Camera to allow the driver to see objects all around the vehicle on a screen. The GT-R only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.
The AMG S-Class Coupe’s blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The GT-R doesn’t offer a system to reveal objects in the driver’s blind spots.
To help make backing safer, the AMG S-Class Coupe’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 GT-R doesn’t offer a cross-path warning system.
The AMG S-Class Coupe’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The GT-R doesn’t offer a driver alert monitor.
The AMG S-Class Coupe has standard Mercedes-Benz Emergency Call, which uses a global positioning satellite (GPS) receiver and a cellular system to 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 GT-R 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 AMG S-Class Coupe and the GT-R have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.
The Mercedes AMG S-Class Coupe weighs 767 to 974 pounds more than the Nissan GT-R. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.
The AMG S-Class Coupe comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The GT-R’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.
J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mercedes vehicles are more reliable than Nissan vehicles. J.D. Power ranks Mercedes 13th in reliability, above the industry average. With 3 more problems per 100 vehicles, Nissan is ranked 15th.
The AMG S-Class Coupe’s 4.0 turbo V8 produces 38 more horsepower (603 vs. 565) and 197 lbs.-ft. more torque (664 vs. 467) than the GT-R’s standard 3.8 turbo V6. The AMG S-Class Coupe’s 4.0 turbo V8 produces 3 more horsepower (603 vs. 600) and 183 lbs.-ft. more torque (664 vs. 481) than the GT-R Track Edition/NIMSO’s standard 3.8 turbo V6.
On the EPA test cycle the AMG S 63 Coupe gets better fuel mileage than the GT-R (17 city/27 hwy vs. 16 city/22 hwy).
An engine control system that can shut down some of the engine’s cylinders helps improve the AMG S-Class Coupe’s fuel efficiency. The GT-R doesn’t offer a system that can shut down part of the engine.
In heavy traffic or at stoplights the AMG S-Class Coupe’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 GT-R doesn’t offer an automatic engine start/stop system.
The AMG S-Class Coupe has 1.6 gallons more fuel capacity than the GT-R (21.1 vs. 19.5 gallons), for longer range between fill-ups.
A nine-speed automatic is standard on the Mercedes AMG S-Class Coupe, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the GT-R.
For better stopping power the AMG S-Class Coupe’s front brake rotors are larger than those on the GT-R:
AMG S-Class opt.
The front and rear suspension of the AMG S-Class Coupe uses air springs for a smoother, controlled ride than the GT-R, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.
The AMG S-Class Coupe has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The AMG S-Class Coupe’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 GT-R doesn’t offer a load leveling suspension.
The AMG S-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 GT-R doesn’t offer drift compensation steering.
For a smoother ride and more stable handling, the AMG S-Class Coupe’s wheelbase is 6.5 inches longer than on the GT-R (115.9 inches vs. 109.4 inches).
For better handling and stability, the track (width between the wheels) on the AMG S-Class Coupe is 1.8 inches wider in the front and 1.7 inches wider in the rear than the average track on the GT-R.
Because it has more passenger and cargo room, the EPA rates the AMG S-Class Coupe a Compact car, while the GT-R is rated a Subcompact.
The AMG S-Class Coupe has 11.6 cubic feet more passenger volume than the GT-R (90.6 vs. 79).
The AMG S-Class Coupe has 1.9 inches more front headroom, 2.7 inches more front shoulder room, 3.2 inches more rear headroom, 7 inches more rear legroom and 1.4 inches more rear shoulder room than the GT-R.
The AMG S-Class Coupe has a much larger trunk than the GT-R (10.4 vs. 8.8 cubic feet).
To make loading and unloading groceries and cargo easier when your hands are full, the AMG S-Class Coupe’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The GT-R doesn’t offer a power or hands-free opening trunk.
The AMG S-Class Coupe uses gas struts to support the hood for easier service access. The GT-R uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.
J.D. Power and Associates surveys of service recipients show that Mercedes service is better than Nissan. J.D. Power ranks Mercedes fifth in service department satisfaction. With a 38% lower rating, Nissan is ranked 17th.
The AMG S-Class Coupe 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 GT-R doesn’t offer a remote starting system.
When three different drivers share the AMG S-Class Coupe, the memory system makes it convenient for all three. Each setting activates different, customized memories for the driver and front passenger’s seat positions, steering wheel position and outside mirror angle. The GT-R doesn’t offer a memory system.
The AMG S-Class Coupe’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. The GT-R doesn’t offer an easy entry system.
The AMG S-Class Coupe has a standard heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The GT-R doesn’t offer a heads-up display.
The AMG S-Class Coupe’s power parking brake sets with one touch and releases with one touch or automatically. The GT-R has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.
If the windows are left open on the AMG S-Class Coupe 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 GT-R can only operate the windows from inside the vehicle, with the ignition on.
The AMG S-Class Coupe’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 GT-R’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
Heated windshield washer fluid is standard on the AMG S-Class Coupe to defrost the washer nozzles and quickly clear ice and frost from the windshield without scraping. The GT-R doesn’t offer heated windshield washer fluid.
While driving with high beams on, sensitive light sensors standard on the AMG S-Class Coupe detect other vehicles which could be blinded and automatically switch to low beams. The GT-R doesn’t offer automatic dimming high beams.
To help drivers avoid possible obstacles, the AMG S-Class Coupe has standard cornering lights to illuminate around corners when the turn signals are activated. The GT-R doesn’t offer cornering lights. The AMG S-Class Coupe also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the AMG S-Class Coupe has standard extendable sun visors. The GT-R doesn’t offer extendable visors.
A power rear sunshade is standard in the AMG S-Class Coupe to help block heat and glare for the rear passengers. The GT-R doesn’t offer a rear sunshade.
The AMG S-Class Coupe’s power mirror controls are mounted on the armrest for easy access. The GT-R’s power mirror controls are on the dash where they are possibly hidden by the steering wheel and are awkward to manipulate.
When the AMG S-Class Coupe is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The GT-R’s mirror doesn’t automatically adjust for backing.
The AMG S-Class Coupe has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The GT-R has an automatic rear view mirror, but its side mirrors don’t dim.
Both the AMG S-Class Coupe and the GT-R have standard heated front seats. The AMG S-Class Coupe also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the GT-R.
Standard air-conditioned seats in the AMG S-Class Coupe keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The GT-R doesn’t offer air-conditioned seats.
On extremely cold winter days, the AMG S-Class Coupe’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The GT-R doesn’t offer a heated steering wheel.
The AMG S-Class Coupe has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the GT-R.
Both the AMG S-Class Coupe and the GT-R offer rear vents. For greater rear passenger comfort, the AMG S-Class Coupe has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The GT-R doesn’t offer rear air conditioning vents, only heat vents.
To keep a safe, consistent following distance, the AMG S-Class Coupe offers an optional Active Distance Assist Distronic, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The GT-R doesn’t offer an adaptive cruise control.
To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes AMG S-Class has a standard wireless phone charging system (Qi) in the center console. The GT-R doesn’t offer wireless personal charging.
The AMG S-Class Coupe has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The GT-R doesn’t offer a house-current electrical outlet.
The AMG S-Class Coupe’s Active Parking Assist can parallel park or back into a parking spot by itself, stopping and changing direction automatically. The GT-R doesn’t offer an automated parking system.
The Mercedes AMG S-Class comes in coupe, convertible and sedan bodystyles; the Nissan GT-R isn’t available as a convertible or sedan.
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