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For enhanced safety, the front and rear seat shoulder belts of the Mercedes AMG C-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 C-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 C-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.
Using vehicle speed sensors, smart airbags in the AMG C-Class Coupe deploy with different levels of force or don’t deploy at all to help better protect passengers of all sizes in different collisions. The AMG C-Class Coupe’s side airbags will shut off if a child is leaning against the door. The GT-R’s airbags don’t have smart features and will always deploy full force.
The AMG C-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.
The AMG C-Class Coupe’s optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The GT-R doesn’t offer a lane departure warning system.
The AMG C-Class Coupe offers an optional Surround View System 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 C-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 C-Class Coupe’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 GT-R doesn’t offer a cross-path warning system.
The AMG C-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 C-Class Coupe 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 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 C-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, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.
The AMG C-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 C 63 S Coupe’s 4.0 turbo V8 produces 35 lbs.-ft. more torque (516 vs. 481) than the GT-R Track Edition/NIMSO’s optional 3.8 turbo V6.
On the EPA test cycle the AMG C 43 Coupe 4MATIC gets better fuel mileage than the GT-R Auto with its standard engine (19 city/27 hwy vs. 16 city/22 hwy).
In heavy traffic or at stoplights the AMG C-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.
A nine-speed automatic (SMG) is standard on the Mercedes AMG C-Class Coupe, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the GT-R.
The AMG C 63 S Coupe’s optional 255/35R19 front and 285/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the GT-R’s 40 series front and 35 series rear tires.
The AMG C-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 C-Class Coupe’s wheelbase is 2.4 inches longer than on the GT-R (111.8 inches vs. 109.4 inches).
For better maneuverability, the AMG C 63 Coupe’s turning circle is .3 feet tighter than the GT-R NISMO’s (37.1 feet vs. 37.4 feet).
The AMG C-Class Coupe has .7 inches more front headroom, .5 inches more front shoulder room, 2.1 inches more rear headroom, 5.6 inches more rear legroom and 1.7 inches more rear shoulder room than the GT-R.
The AMG C-Class Coupe has a much larger trunk than the GT-R (10.5 vs. 8.8 cubic feet).
The AMG C-Class Coupe’s standard rear seats fold to accommodate long and bulky cargo. The GT-R doesn’t offer folding rear seats.
To make loading and unloading groceries and cargo easier when your hands are full, the AMG C-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 C-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 C-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 C-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 C-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 C-Class Coupe offers an optional 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 C-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 C-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 C-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.
While driving with high beams on, sensitive light sensors available for the AMG C-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 see further while navigating curves, the AMG C-Class Coupe offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The GT-R doesn’t offer cornering lights.
To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the AMG C-Class Coupe has standard extendable sun visors. The GT-R doesn’t offer extendable visors.
The AMG C-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 C-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 C-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.
Optional air-conditioned seats in the AMG C-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.
Both the AMG C-Class Coupe and the GT-R offer rear vents. For greater rear passenger comfort, the AMG C-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 C-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 C-Class offers an optional wireless phone charging system (Qi) in the center console. The GT-R doesn’t offer wireless personal charging.
The AMG C-Class Coupe’s optional Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The GT-R doesn’t offer an automated parking system.
The Mercedes AMG C-Class comes in coupe, convertible and sedan bodystyles; the Nissan GT-R isn’t available as a convertible or sedan.
The AMG C-Class Coupe is available in both rear-wheel drive and all-wheel drive configurations. The GT-R doesn’t offer a two-wheel drive configuration.
Consumer Reports® recommends the Mercedes AMG C-Class Coupe, based on reliability, safety and performance.
J.D. Power and Associates rated the AMG C-Class Coupe first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The GT-R isn’t in the top three.
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